Terms of Service
Effective Date: November 29, 2025
1. Introduction
1.1 These Terms of Service (the "Terms") govern your access to and use of the CalQuant service, including the website at https://calquant.app and any related applications, tools, and services (together, the "Service").
1.2 The Service is operated by Harry Dransfield trading as "CalQuant" ("CalQuant", "we", "us", or "our").
1.3 Please read these Terms carefully before using the Service. By creating an account or otherwise accessing or using the Service, you agree to be bound by these Terms. If you do not agree to these Terms, you must not use the Service.
1.4 These Terms are provided in English. If we provide a translation of these Terms into another language, the English version will prevail in the event of any conflict.
1.5 Important health notice: The Service is a self-tracking and information tool only. It is not a medical, nutritional, or mental-health service and must not be used as a substitute for professional medical advice, diagnosis, or treatment. Please see Section 5 (Health Disclaimer) for more details.
1.6 You should also read our:
Privacy Policy: https://calquant.app/privacy
Cookie Policy: https://calquant.app/cookies
Together with these Terms, those documents form the agreement between you and us regarding your use of the Service.
2. About Us
2.1 The Service is provided by Harry Dransfield, a sole trader established in England, operating under the trading name "CalQuant". We are not a limited company and do not have a Companies House registration number.
2.2 Our registered office / business address is: [[BUSINESS POSTAL ADDRESS TO BE CONFIRMED - e.g. virtual office or business address in England]]
2.3 Our contact details are:
Email (for support and legal notices): support@calquant.app
Website: https://calquant.app
2.4 References in these Terms to "you" or "your" mean the individual user of the Service.
3. Eligibility and Accounts
3.1 Age and eligibility
3.1.1 You must be at least 18 years old to use the Service.
3.1.2 The Service is not intended for children or anyone under 18. If you are under 18, you must not create an account or use the Service.
3.1.3 We do not knowingly collect personal data from anyone under 18. If you believe that a person under 18 has created an account or provided us with personal data, please contact us at support@calquant.app, and we will take appropriate steps to delete that information.
3.2 Account creation and information
3.2.1 To use certain features of the Service, you must create an account and provide certain information, such as your email address, password, and any requested profile details.
3.2.2 You agree to: Provide accurate, current, and complete information during registration and at all other times when you use the Service; and keep your information up to date, including your email address so that we can contact you if necessary.
3.2.3 We expect that each person will maintain one account for their own personal use. You must not create accounts on behalf of other people, except where expressly permitted by us in writing.
3.3 Account security
3.3.1 You are responsible for maintaining the confidentiality and security of your login credentials (including your password).
3.3.2 You must: Not share your account or password with anyone else; use a strong and unique password; and notify us immediately at support@calquant.app if you suspect any unauthorised access to or use of your account.
3.3.3 You are responsible for all activities that occur under your account, unless you have notified us of suspected misuse and we have had a reasonable opportunity to act on that notice.
3.4 Our right to refuse or restrict accounts
3.4.1 We reserve the right, acting reasonably, to refuse to create an account for you, or to suspend or close your account, where we reasonably believe that: You have breached these Terms; you are using or intend to use the Service in a way that is illegal, harmful, or risky to us or others; or it is necessary to do so to comply with law or the order of a court or other competent authority.
3.4.2 Where appropriate and lawful, we will try to give you notice of suspension or closure and the reasons for it. However, we may not always be able to do so (for example, where we are legally prevented from giving notice, or where giving notice could increase a risk of harm).
4. The Service
4.1 Description of the Service
4.1.1 CalQuant is a fitness and body-measurement tracking service. Its core functionality currently includes: Logging and tracking your activity or exercise sessions; logging and tracking your body measurements (for example, weight and other measurements you choose to record); displaying summaries, charts, analytics, and other visualisations based on the data you enter.
4.1.2 At this stage, the Service does not include: Food logging; calorie intake tracking; community forums or social networking features; recipes or meal planning; AI coaching or personalised coaching by human coaches.
4.1.3 The Service is initially offered via web. We may, in future, also provide native apps for iOS, Android, and other platforms. These Terms apply to your use of the Service on all platforms.
4.2 No emergency or critical service
4.2.1 The Service is not an emergency or critical service. It must not be used for: Medical emergencies or urgent health concerns; monitoring or treating life-threatening conditions; or any situation where failure or delay of the Service could result in injury, death, or serious harm.
4.2.2 In an emergency, you should contact the appropriate emergency services in your area (such as 999 or 112 in the UK/EU, or 911 in the US).
5. Health Disclaimer
5.1 No medical or healthcare service
5.1.1 CalQuant is provided for general information, education, and self-tracking only.
5.1.2 We are not: A medical, healthcare, mental-health, or nutritional service provider; a doctor, dietitian, nutritionist, psychologist, physiotherapist, or any other type of regulated health professional.
5.1.3 The Service does not: Provide medical, nutritional, or mental-health advice, diagnosis, or treatment; create any doctor-patient, therapist-client, or similar professional relationship; replace consultation with a doctor or other qualified health professional.
5.2 Seek professional advice
5.2.1 You should always seek the advice of an appropriately qualified healthcare professional before: Starting or significantly changing any diet, weight-loss, or exercise programme; making major changes to your activity level; or using the Service if you have any pre-existing medical conditions.
5.2.2 This is especially important if you: Have diabetes; have any cardiovascular or respiratory condition; are pregnant, planning a pregnancy, or breastfeeding; have a history of eating disorders (such as anorexia nervosa, bulimia nervosa, binge eating disorder, or other disordered eating); or have any other significant medical or mental-health condition.
5.2.3 Never disregard professional medical advice or delay seeking it because of something you have read in or inferred from the Service.
5.3 No guarantees of results
5.3.1 We do not guarantee that your use of the Service will result in any particular outcome, including but not limited to: Weight loss or weight gain; increased muscle mass or fitness; improved health, wellbeing, or performance; achievement of any goals that you set within the Service.
5.3.2 Results from using the Service depend on many factors, including your own behaviour, health, and environment, which are outside our control.
5.4 Estimates and accuracy
5.4.1 Any activity estimates, energy expenditure calculations, trends, charts, or other metrics provided by the Service are approximations only. They may be based on: Data you provide (for example, your age, height, gender, weight, and logged activities); and generalised models or assumptions that may not accurately reflect your individual physiology or circumstances.
5.4.2 These outputs may be incomplete, inaccurate, or unsuitable for you. They must not be relied upon as medical advice or as a sole basis for important decisions about your health, diet, or exercise.
5.4.3 You are responsible for how you interpret and use any information obtained from the Service, and for seeking professional advice when needed.
6. User Responsibilities and Acceptable Use
6.1 Your responsibilities for data and behaviour
6.1.1 You are responsible for: The accuracy, completeness, and lawfulness of all information and data that you enter into or upload to the Service; and ensuring that any goals you set and any actions you take based on the Service are safe and appropriate for you.
6.1.2 You must not use the Service to log or share health data about other identifiable individuals without their knowledge and valid consent, except where you are expressly allowed by applicable law and by us in writing. The Service is designed for personal self-tracking, not as a clinical or group tracking system.
6.2 Prohibited conduct
You must not use the Service (or allow anyone else to use your account) to:
6.2.1 Illegal activities: Break any applicable law or regulation; encourage or assist others to do so.
6.2.2 Abuse and harmful content: Harass, threaten, bully, or intimidate any person; post or transmit content that is hateful, discriminatory, defamatory, obscene, or otherwise offensive; promote or glorify self-harm, suicide, eating disorders, or unsafe, extreme dieting or exercise practices; promote violence or illegal activities.
6.2.3 Infringing or harmful content: Upload, store, or share any content that infringes the rights of others, including intellectual property rights, privacy rights, or data protection rights; upload malicious code, viruses, worms, or any other software or material that may damage, interfere with, or disrupt the Service or the devices of other users.
6.2.4 Security and technical misuse: Attempt to hack, probe, or test the vulnerability of the Service or any related system or network; attempt to circumvent or bypass any security or access control measures, rate limits, or technical restrictions; reverse engineer, decompile, disassemble, or otherwise attempt to obtain the source code of the Service, except to the limited extent permitted by applicable law.
6.2.5 Automated access and scraping: Use any robot, spider, scraper, or other automated means to access the Service for any purpose without our express permission; harvest or collect information about users, including email addresses, without their consent; misuse any API we may provide, including by exceeding rate limits or using it for unauthorised purposes.
6.2.6 Community features (present or future): If and when the Service includes any community or public features (such as forums, comments, shared progress, or other social functionality), you must not: Post content that promotes self-harm, eating disorders, or dangerous dieting or exercise practices; share identifiable health data about other individuals without their consent; use community features for spamming, advertising, or other unsolicited promotions, unless we explicitly allow such activities; impersonate any person or misrepresent your identity or affiliation.
6.3 Our enforcement rights
6.3.1 We reserve the right, acting reasonably, to: Remove, edit, or disable access to any content that we reasonably believe breaches these Terms or applicable law; suspend or terminate your account in accordance with Section 11; take any other action we consider necessary to protect the Service, our users, and others.
6.3.2 We may, but are not obligated to, monitor content or activity on the Service. You are primarily responsible for your own use of the Service and compliance with these Terms.
7. User Content and Intellectual Property
7.1 Ownership of your content
7.1.1 You retain ownership of the content and data you input into the Service, including: Activity and exercise logs; body measurements (such as weight and other measurements you choose to record); notes and other information you enter.
7.1.2 Depending on applicable law, certain data you enter may constitute health-related data. You remain responsible for ensuring that you have the right to input that data and that it is accurate.
7.2 Licence you grant to us
7.2.1 By submitting content or data to the Service, you grant us a worldwide, non-exclusive, royalty-free licence to: Store, process, display, and back up your data as necessary to operate, maintain, and provide the Service; use your data to configure and improve features of the Service, such as algorithms, analytics, and user experience; create aggregated and/or anonymised data sets derived from your data, provided that such data does not identify you personally.
7.2.2 This licence includes the right for us to use third-party service providers (such as hosting providers, analytics providers, and error tracking tools) to help us operate the Service, subject to appropriate safeguards.
7.2.3 The licence is revocable to the extent that: When you delete specific content from the Service, we will stop using that content in a way that identifies you, subject to reasonable technical limitations (for example, residual copies in backups); and when you close your account, we will handle your data in accordance with Section 11 and our Privacy Policy.
7.2.4 Even after you delete your account or specific content, we may continue to use aggregated and/or anonymised data derived from your content that no longer identifies you.
7.3 Public or community content (future features)
7.3.1 If, in the future, the Service allows you to post content that is publicly visible or visible to other users (for example, forum posts, comments, shared progress, or other social features): That content may be visible to others inside and, in some cases, outside the Service; and you should not post any information that you do not wish to become public.
7.3.2 For such public or community content, the licence in Section 7.2 includes the right for us to: Display, reproduce, distribute, and communicate your content to other users and, where applicable, the public; modify or adapt your content solely for technical purposes (for example, resizing or reformatting).
7.3.3 We may moderate, remove, or refuse to display any such content at our reasonable discretion, particularly where we believe it breaches these Terms or applicable law.
7.4 Service intellectual property
7.4.1 The Service, including its software, code, design, layout, user interfaces, branding, logos, and any content we provide (other than your own content) is owned by or licensed to Harry Dransfield trading as "CalQuant" and is protected by intellectual property and other laws.
7.4.2 Subject to your compliance with these Terms, we grant you a limited, non-exclusive, non-transferable, revocable licence to access and use the Service for your personal, non-commercial purposes only.
7.4.3 You must not: Reproduce, distribute, publicly display, or create derivative works from the Service or any part of it, except as allowed by these Terms or by applicable law; use our trademarks, logos, or branding in a way that suggests endorsement, approval, or association without our prior written consent.
7.5 Feedback
7.5.1 If you provide feedback, suggestions, or ideas about the Service ("Feedback"), you agree that: We may use such Feedback for any purpose, including improving and developing the Service; we do not have to keep your Feedback confidential; and you will not be entitled to any payment or compensation for our use of your Feedback.
7.5.2 You grant us a worldwide, perpetual, irrevocable, royalty-free, non-exclusive licence to use, reproduce, and incorporate your Feedback into our products and services.
7.6 Copyright complaints
7.6.1 If you believe that content on the Service infringes your copyright, you may contact us at support@calquant.app with: Your name and contact details; a description of the copyrighted work you claim has been infringed; a description of the allegedly infringing content and where it is located in the Service; a statement that you have a good-faith belief that the use is not authorised by the copyright owner, its agent, or the law; and any other information required by applicable law.
7.6.2 We may request additional information from you and will act in accordance with applicable law in handling copyright complaints.
8. Privacy and Data Protection
8.1 We collect and process personal data through the Service, including: Account data (such as email address, password hash, username); profile data (such as age, gender, height, and goals, if you provide them); health-related data, including your activity/exercise logs and body measurements.
8.2 We treat activity and body measurement information as health-related data, and we handle such data in accordance with applicable data protection laws and our Privacy Policy.
8.3 Our Privacy Policy at https://calquant.app/privacy explains: What data we collect and why; how we use, store, and protect your data; the legal bases we rely on; your rights in relation to your personal data; and how to contact us about privacy matters.
8.4 Our Cookie Policy at https://calquant.app/cookies explains how we use cookies and similar technologies.
8.5 The Service may use standard third-party infrastructure and services (such as hosting providers, analytics tools, and error tracking services). Details of such third-party providers and how they process personal data are set out in our Privacy Policy.
8.6 Your use of the Service is subject to our Privacy Policy and Cookie Policy, which form part of these Terms.
9. Paid Features and Billing (future use)
This Section 9 is intended to apply when paid features or subscriptions are introduced in the future. At present, the Service is free to use.
9.1 Overview
9.1.1 We may, in the future, offer paid plans, subscriptions, or premium features ("Paid Features"). Some parts of the Service may remain free, while others may be subject to fees.
9.1.2 Details of any Paid Features, including plan names, included features, and pricing, will be described on the Service or otherwise made available to you at the time of purchase.
9.1.3 Specific plan names, pricing, and billing intervals will be specified when Paid Features are launched, for example: [[TO BE COMPLETED WHEN PAID PLANS LAUNCH]]
9.2 Fees and payment
9.2.1 If you choose to purchase any Paid Features, you agree to pay the applicable fees and any taxes that are disclosed to you before you complete your purchase.
9.2.2 Fees will be clearly described at the point of purchase and may be shown in the relevant currency.
9.2.3 You must provide accurate and complete billing information (such as your name, billing address, and payment method details) and keep this information up to date.
9.2.4 Payment processing may be handled by third-party payment processors. Your use of those services may be subject to their own terms and privacy policies, which you should review.
9.3 Subscriptions and auto-renewal
9.3.1 Certain Paid Features may be offered on a subscription basis (for example, monthly or annually). Specific billing periods and renewal terms will be confirmed at the time of purchase, for example: [[TO BE COMPLETED WHEN PAID PLANS LAUNCH]]
9.3.2 Unless otherwise specified, subscriptions will automatically renew at the end of each billing period at the then-current price, using the payment method associated with your account.
9.3.3 You can cancel a subscription at any time through your account settings or as otherwise indicated in the Service. Cancellation will usually take effect at the end of the current billing period, and you will retain access to the relevant Paid Features until then.
9.4 Free trials and promotions
9.4.1 We may offer free trials, introductory offers, or other promotions for Paid Features. The specific terms of any such offers (including duration, eligibility, and what happens at the end of the trial) will be communicated to you at the time, for example: [[TO BE COMPLETED WHEN PAID PLANS LAUNCH]]
9.4.2 If you do not wish to be charged after a free trial ends, you must cancel before the end of the trial period, in accordance with the instructions provided.
9.5 Refunds
9.5.1 Your statutory consumer rights regarding refunds are not affected by these Terms.
9.5.2 Any additional voluntary refund or cancellation policy we offer beyond your statutory rights will be specified at the time of purchase, for example: [[TO BE COMPLETED WHEN PAID PLANS LAUNCH]]
9.5.3 Where applicable law gives you a right to withdraw from a purchase of digital content or services (such as a cooling-off period), the details and how to exercise that right will be explained at the time of purchase or in a separate notice.
9.6 Changes to pricing and Paid Features
9.6.1 We may change the pricing of Paid Features or the nature of Paid Features from time to time, acting reasonably.
9.6.2 If you are on a subscription and we increase the price or make significant changes to the Paid Features you receive, we will give you reasonable prior notice and an opportunity to cancel before the change takes effect.
10. Service Availability and Changes
10.1 Availability and interruptions
10.1.1 We will use reasonable efforts to keep the Service available and functioning. However, we do not guarantee: Uninterrupted or error-free operation of the Service; or that the Service will be available at all times.
10.1.2 The Service may be temporarily unavailable due to: Scheduled maintenance or updates; unplanned outages, technical problems, or security incidents; events beyond our reasonable control (such as power failures, network or internet disruptions, or force majeure events).
10.1.3 We are not liable for any unavailability or interruption of the Service that is due to events beyond our reasonable control (subject to Section 12).
10.2 Changes to features
10.2.1 We may add, modify, or remove features or functionality of the Service from time to time, acting reasonably.
10.2.2 Where a change is likely to have a significant negative impact on your use of the Service, and particularly on Paid Features (if applicable), we will try to give you advance notice where reasonably possible.
10.2.3 Some features may remain free, while others may be introduced as Paid Features in the future. We will explain any such changes on the Service and update these Terms as necessary.
10.3 Beta features and testing
10.3.1 We may from time to time offer experimental or beta features. These may be identified as such in the Service.
10.3.2 Beta features may be less reliable or less thoroughly tested than other parts of the Service and may be changed or removed at any time.
11. Termination and Suspension
11.1 Your right to close your account
11.1.1 You may close your account and stop using the Service at any time, for any reason, by using the account settings within the Service (if available) or by contacting us at support@calquant.app.
11.1.2 When you close your account: Your ability to access the Service and your content may cease; and we will handle your data in accordance with our Privacy Policy and Sections 7 and 11 of these Terms.
11.2 Our right to suspend or terminate
11.2.1 We may suspend or terminate your account, or restrict your access to all or part of the Service, where we reasonably believe that: You have materially breached these Terms, including the Acceptable Use provisions in Section 6; your use of the Service poses a security, legal, or reputational risk to us or others; we are required to do so by law, court order, or the request of a competent authority; or you have not used your account for an extended period and we reasonably decide to deactivate inactive accounts (we will give reasonable notice where possible).
11.2.2 Where appropriate and lawful, we will: Notify you of the suspension or termination; and provide basic information about the reasons for our decision.
11.3 Effect of termination on your data
11.3.1 Upon termination of your account by you or us: Your right to access and use the Service will cease; we may delete or anonymise personal data associated with your account, in line with our Privacy Policy and any legal obligations or legitimate interests we may have (for example, to retain certain records for legal, security, or accounting purposes).
11.3.2 We may retain aggregated and/or anonymised data derived from your use of the Service that no longer identifies you, as permitted by Section 7.2.
11.4 Survival
11.4.1 Sections that, by their nature, should continue to apply after termination (including but not limited to Sections 5, 7, 8, 9 (for any outstanding payment obligations), 11.3, 12, 13, 14, and 15) will survive the termination of these Terms and your account.
12. Disclaimers and Limitation of Liability
12.1 No guarantee of perfection
12.1.1 The Service is provided on an "as is" and "as available" basis.
12.1.2 We do not guarantee that the Service will: Meet all of your expectations or requirements; be error-free, secure, or free from viruses or other harmful components; be available at all times or in all locations; be compatible with all devices, operating systems, browsers, or assistive technologies.
12.2 Accuracy of information and metrics
12.2.1 We make reasonable efforts to ensure that the information and metrics provided by the Service (including activity estimates, energy expenditure calculations, charts, and analytics) are useful and accurate in a general sense, but they are approximations only.
12.2.2 We do not warrant that any information obtained through the Service is accurate, complete, up-to-date, or suitable for your particular circumstances.
12.2.3 You are responsible for verifying any information from the Service and for seeking professional advice where appropriate.
12.3 Your responsibility
12.3.1 You are responsible for your own decisions and actions relating to your health, exercise, and lifestyle.
12.3.2 You should not rely on the Service as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified health professional with any questions you may have regarding a medical condition or fitness programme.
12.4 Limitation of liability (subject to mandatory rights)
12.4.1 Nothing in these Terms excludes or limits our liability where it would be unlawful to do so. In particular, we do not exclude or limit liability for: Death or personal injury caused by our negligence; fraud or fraudulent misrepresentation; any other liability that cannot lawfully be excluded or limited under applicable law.
12.4.2 To the extent permitted by law and subject to Section 12.4.1: We will not be liable for any: Indirect or consequential loss or damage; loss of profits, revenue, or anticipated savings; loss of business, contracts, or opportunities; loss or corruption of data; or loss of goodwill or reputation.
12.4.3 If you use the Service free of charge, our total aggregate liability to you in respect of all claims arising out of or in connection with the Service or these Terms (whether in contract, tort, negligence, or otherwise) will, to the fullest extent permitted by law, be limited to GBP 50.
12.4.4 If and when Paid Features are introduced and you pay for the Service, then, in respect of those Paid Features, our total aggregate liability to you in any 12-month period arising out of or in connection with the Service or these Terms will, to the fullest extent permitted by law, be limited to the greater of: The total amount you have paid to us for the Paid Features in that 12-month period, and GBP 50.
12.4.5 Different limitations and exclusions of liability may apply in relation to specific products, services, or promotions; where that is the case, they will be set out in the relevant terms or description.
12.4.6 You may have mandatory consumer rights under the laws of the country in which you are resident. Nothing in these Terms is intended to override or exclude those rights where they cannot lawfully be excluded.
13. Third-Party Services
13.1 The Service may include links to or integrations with third-party websites, applications, products, or services (for example, analytics tools, hosting providers, or app stores).
13.2 We do not control and are not responsible for: The content, policies, or practices of third-party websites or services; or any products or services provided by third parties.
13.3 Your use of third-party services may be subject to their own terms and privacy policies, which you should read carefully. We are not responsible for any third party's processing of your personal data.
13.4 If you access the Service through a third-party app store (such as Apple's App Store or Google Play), or if you use features that connect to third-party devices or services, your relationship with those third parties is governed by their terms, not these Terms.
14. Changes to These Terms
14.1 We may update these Terms from time to time, for example to: Reflect changes to the Service, including new features or Paid Features; respond to changes in law or regulatory guidance; or address security, privacy, or operational needs.
14.2 When we make changes: We will update the "Last updated" date at the top of these Terms; and if the changes are material, we will provide additional notice, for example via email, in-Service notification, or at the next time you log in.
14.3 Where required by law or where we reasonably consider it appropriate, we will give you reasonable advance notice of material changes.
14.4 Your continued use of the Service after the new Terms take effect will constitute your acceptance of those changes. If you do not agree with the updated Terms, you should stop using the Service and close your account.
15. Governing Law and Jurisdiction
15.1 These Terms, and any dispute or claim (including non-contractual disputes or claims) arising out of or in connection with them or the Service, are governed by the laws of England and Wales.
15.2 The courts of England and Wales will have non-exclusive jurisdiction over any dispute arising from or related to these Terms or the Service. This means that you may be able to bring a claim in the courts of your country of residence where your local laws provide such a right, and nothing in these Terms is intended to limit any such mandatory right.
15.3 If a court or other competent authority decides that any provision of these Terms is invalid or unenforceable, the rest of the Terms will continue in full force and effect.
15.4 You may not transfer or assign your rights or obligations under these Terms to another person without our prior written consent. We may transfer or assign our rights and obligations under these Terms in connection with a business transfer, merger, or similar event, provided that this does not adversely affect your rights.
15.5 These Terms, together with the Privacy Policy and Cookie Policy and any additional terms presented to you at the time of a particular feature or promotion, constitute the entire agreement between you and us regarding the Service.
16. Contact Information
16.1 If you have any questions about these Terms or the Service, or if you wish to give any notices under these Terms, you may contact us at: Email: support@calquant.app; Website: https://calquant.app; Postal address: [[BUSINESS POSTAL ADDRESS TO BE CONFIRMED - e.g. virtual office or business address in England]]
16.2 We may contact you using the email address associated with your account or by providing notices within the Service.