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Terms of Service

Last Updated: March 1, 2026

1. Agreement to Terms

These Terms of Use constitute a legally binding agreement made between you, whether personally or on behalf of an entity ("you") and Aston Smith Ltd, trading as SitApp ("Company", "we", "us", or "our"), concerning your access to and use of the SitApp desktop application, the https://www.sitapp.app website, and any related services (collectively, the "Service").

By accessing or using the Service, you agree that you have read, understood, and agreed to be bound by all of these Terms of Use. IF YOU DO NOT AGREE WITH ALL OF THESE TERMS OF USE, THEN YOU ARE EXPRESSLY PROHIBITED FROM USING THE SERVICE AND YOU MUST DISCONTINUE USE IMMEDIATELY.

We reserve the right to make changes or modifications to these Terms of Use at any time. We will alert you about any changes by updating the "Last Updated" date, and you waive any right to receive specific notice of each such change. Your continued use of the Service after the date such revised Terms are posted constitutes your acceptance of the changes.

2. Eligibility

The Service is intended for users who are at least 18 years old. Persons under the age of 18 are not permitted to use or register for the Service. By using the Service, you represent and warrant that you meet this age requirement.

3. Description of Service

SitApp is a desktop application that uses artificial intelligence and your device's webcam to monitor your posture and provide real-time feedback to help you maintain good posture while working at your computer.

Important Information About Webcam Use:

  • The Service requires access to your device's webcam to function.
  • All webcam processing occurs locally on your device using on-device AI technology.
  • Webcam images and video are NEVER transmitted to our servers or any third party.
  • We do not store, record, or have access to your webcam feed.
  • You can disable webcam access at any time through your device settings.

4. Intellectual Property Rights

Unless otherwise indicated, the Service is our proprietary property and all source code, databases, functionality, software, website designs, audio, video, text, photographs, and graphics (collectively, the "Content") and the trademarks, service marks, and logos contained therein (the "Marks") are owned or controlled by us or licensed to us. The Content and the Marks are protected by copyright and trademark laws of the United Kingdom and international conventions.

You are granted a limited, non-exclusive, non-transferable, revocable licence to access and use the Service for your personal or internal business use, subject to these Terms and any applicable subscription plan. This licence does not include the right to sublicence, resell, distribute, or make the Service available to third parties. We reserve all rights not expressly granted to you.

Feedback: If you provide us with any suggestions, ideas, enhancement requests, feedback, or other recommendations regarding the Service ("Feedback"), you assign to us all right, title, and interest in and to such Feedback. We shall be free to use, implement, and exploit any Feedback without restriction, attribution, or compensation to you.

5. User Representations

By using the Service, you represent and warrant that:

  • All registration information you submit will be true, accurate, current, and complete.
  • You will maintain the accuracy of such information and promptly update it as necessary.
  • You have the legal capacity and agree to comply with these Terms of Use.
  • You are not a minor in the jurisdiction in which you reside.
  • You will not access the Service through automated or non-human means.
  • You will not use the Service for any illegal or unauthorized purpose.
  • Your use of the Service will not violate any applicable law or regulation.

6. User Registration

You may be required to register with the Service. You agree to keep your password confidential and will be responsible for all use of your account and password. We reserve the right to remove, reclaim, or change a username you select if we determine, in our sole discretion, that such username is inappropriate or objectionable.

7. Prohibited Activities

You may not access or use the Service for any purpose other than that for which we make the Service available. As a user, you agree not to:

  • Systematically retrieve data or content from the Service to create a collection, database, or directory without written permission from us.
  • Trick, defraud, or mislead us and other users.
  • Circumvent, disable, or otherwise interfere with security-related features of the Service.
  • Use the Service in a manner inconsistent with any applicable laws or regulations.
  • Upload or transmit viruses, Trojan horses, or other malicious material.
  • Engage in any automated use of the system, such as using scripts or bots.
  • Attempt to impersonate another user or person.
  • Sell or otherwise transfer your account.
  • Interfere with, disrupt, or create an undue burden on the Service.
  • Copy or adapt the Service's software, including but not limited to HTML, JavaScript, or other code.
  • Decipher, decompile, disassemble, or reverse engineer any of the software comprising the Service.
  • Use the Service as part of any effort to compete with us.

8. Subscription Plans and Payment

Plans and Pricing

The Service is available under various subscription plans, which may include a free tier with limited features and paid tiers with additional functionality. Details of current plans and pricing are available within the Service and on our website. Features available under each plan are determined solely by us and may change from time to time.

Free Trial

We may offer a free trial period for paid subscription plans. At the end of the free trial, your subscription will not automatically convert to a paid plan unless you expressly opt in. If you do not subscribe, your account will revert to the free tier with limited features.

Billing and Payment

Paid subscriptions are billed in advance on a recurring basis (monthly or annually, depending on the plan you select). Payment is processed through our third-party payment provider, Paddle.com Market Limited ("Paddle"), who acts as our merchant of record. You agree to provide accurate and complete payment information and authorise Paddle to charge your chosen payment method for all fees due.

If payment fails, we may suspend or restrict access to paid features until the outstanding balance is settled. We are not responsible for any fees charged by your bank or payment provider in connection with our billing.

Price Changes

We may change subscription pricing from time to time. Any price increase will take effect at the start of your next billing cycle following at least thirty (30) days' notice to you. Your continued use of the paid Service after a price change constitutes your acceptance of the new pricing. If you do not agree to a price change, you may cancel your subscription before the new price takes effect.

Auto-Renewal

Paid subscriptions renew automatically at the end of each billing period unless you cancel before the renewal date. You may cancel auto-renewal at any time through your account settings or the billing portal.

9. Cancellation and Refunds

Cancellation

You may cancel your paid subscription at any time through your account settings or by contacting us at info@sitapp.app. Upon cancellation, you will retain access to paid features until the end of your current billing period. After that, your account will revert to the free tier.

Refunds

Payments for the Service are processed by our merchant of record, Paddle.com Market Limited. Refund requests are handled in accordance with Paddle's Invoiced Consumer Terms. If you are a consumer, you have the right to cancel and request a refund within fourteen (14) days of your purchase without giving any reason, provided you have not started to use or download the digital content. After the 14-day cancellation period, there are no refunds on unused subscription periods.

To request a refund, contact Paddle's support team at paddle.net or contact us at info@sitapp.app and we will assist you.

UK Consumer Cancellation Rights

If you are a consumer in the United Kingdom, you have a statutory right to cancel a contract for digital content within fourteen (14) days of purchase under the Consumer Contracts (Information, Cancellation and Additional Charges) Regulations 2013. By accessing the paid Service immediately upon purchase, you acknowledge that you are requesting immediate access to digital content and that you may lose your right to cancel once the digital content has been fully provided. If you wish to exercise your statutory cancellation right before accessing the paid content, please contact us within the 14-day period.

10. Third-Party Accounts

As part of the functionality of the Service, you may link your account with online accounts you have with third-party service providers (such as Google, GitHub, or Apple) by providing your Third-Party Account login information through the Service. By granting us access to any Third-Party Accounts, you understand that we may access and store basic profile information (such as your name and email address) from your Third-Party Account.

Your relationship with the third-party service providers is governed solely by your agreement(s) with such providers. You can deactivate the connection between the Service and your Third-Party Account at any time through your account settings.

11. Privacy Policy

We care about data privacy and security. By using the Service, you agree to be bound by our Privacy Policy, which is incorporated into these Terms of Use. Please review our Privacy Policy. The Service is hosted in the United Kingdom. If you access the Service from any other region, you are transferring your data to the United Kingdom and agree to have your data processed there.

12. Health and Safety Disclaimer

THE SERVICE IS NOT A MEDICAL DEVICE AND IS NOT INTENDED TO DIAGNOSE, TREAT, CURE, OR PREVENT ANY MEDICAL CONDITION.

The posture monitoring and feedback provided by the Service is for informational and educational purposes only. The Service should not be used as a substitute for professional medical advice, diagnosis, or treatment.

  • Consult a healthcare professional before using the Service if you have any pre-existing medical conditions, injuries, or concerns about your posture or musculoskeletal health.
  • If you experience pain or discomfort while using the Service, stop immediately and consult a healthcare professional.
  • The Service's posture assessments are based on AI analysis and may not be 100% accurate for all body types or conditions.
  • The Service is not a replacement for a professional ergonomic assessment of your workspace. For comprehensive workplace ergonomics, consult a qualified ergonomist or occupational health professional.
  • Posture is only one factor in musculoskeletal health. Other factors such as exercise, stretching, workstation setup, and regular breaks also play important roles that the Service does not address.

Assumption of Risk: You expressly acknowledge and agree that your use of the Service is entirely at your own risk. Posture correction involves physical movement and positioning, and results may vary based on individual circumstances. You assume all risks associated with your use of the Service, including but not limited to any injury, discomfort, strain, or health issues that may arise from following any posture suggestions, alerts, or feedback provided by the Service. To the fullest extent permitted by law, we shall not be liable for any such injury, discomfort, or health issues.

Age Restrictions: Consistent with the eligibility requirements in Section 2, the Service is intended for users aged 18 and older. The posture analysis has been designed for adult body proportions and may not be suitable or accurate for younger users.

13. Term and Termination

These Terms of Use shall remain in full force and effect while you use the Service. WITHOUT LIMITING ANY OTHER PROVISION OF THESE TERMS OF USE, WE RESERVE THE RIGHT TO, IN OUR SOLE DISCRETION AND WITHOUT NOTICE OR LIABILITY, DENY ACCESS TO AND USE OF THE SERVICE TO ANY PERSON FOR ANY REASON OR FOR NO REASON, INCLUDING FOR BREACH OF ANY REPRESENTATION, WARRANTY, OR COVENANT CONTAINED IN THESE TERMS OF USE OR OF ANY APPLICABLE LAW OR REGULATION.

We may also suspend your access to the Service immediately if we reasonably believe your account has been compromised, you are in breach of these Terms, or your continued use poses a risk to the Service or other users.

If we terminate or suspend your account, you are prohibited from registering and creating a new account under your name, a fake or borrowed name, or the name of any third party.

Upon termination, your right to use the Service will immediately cease. If you have a paid subscription, termination by us without cause will entitle you to a pro-rata refund of any prepaid fees for the unused portion of your subscription period. Termination for your breach of these Terms will not entitle you to any refund.

14. Software Updates

The Service may automatically download and install updates from time to time. These updates may include bug fixes, feature enhancements, security patches, or entirely new features. By using the Service, you consent to such automatic updates and acknowledge that they may modify or remove existing features. We are not obligated to provide any specific updates or to maintain backward compatibility with previous versions.

15. Modifications and Interruptions

We reserve the right to change, modify, or remove the contents of the Service at any time or for any reason at our sole discretion without notice. We also reserve the right to modify or discontinue all or part of the Service without notice at any time. We will not be liable to you or any third party for any modification, suspension, or discontinuance of the Service.

We cannot guarantee the Service will be available at all times. We may experience hardware, software, or other problems or need to perform maintenance, resulting in interruptions, delays, or errors.

16. Governing Law

These Terms of Use are governed by and interpreted following the laws of the United Kingdom. If your habitual residence is in the EU, and you are a consumer, you additionally possess the protection provided to you by obligatory provisions of the law of your country of residence. SitApp and yourself both agree to submit to the non-exclusive jurisdiction of the courts of the United Kingdom.

17. Dispute Resolution

Informal Negotiations

To expedite resolution and control the cost of any dispute, controversy, or claim related to these Terms of Use (each a "Dispute"), the parties agree to first attempt to negotiate any Dispute informally for at least thirty (30) days before initiating any formal proceedings. Such informal negotiations commence upon written notice from one party to the other party.

Binding Arbitration

Any dispute arising from the relationships between the parties shall be determined by one arbitrator in accordance with the Arbitration Rules of the European Centre of Arbitration. The seat of arbitration shall be Manchester, United Kingdom. The language of the proceedings shall be English. Applicable rules of substantive law shall be the law of the United Kingdom.

Restrictions

The parties agree that any arbitration shall be limited to the Dispute between the parties individually. To the full extent permitted by law: (a) no arbitration shall be joined with any other proceeding; (b) there is no right or authority for any Dispute to be arbitrated on a class-action basis; and (c) there is no right or authority for any Dispute to be brought in a purported representative capacity.

18. Disclaimer

THE SERVICE IS PROVIDED ON AN AS-IS AND AS-AVAILABLE BASIS. YOU AGREE THAT YOUR USE OF THE SERVICE WILL BE AT YOUR SOLE RISK. TO THE FULLEST EXTENT PERMITTED BY LAW, WE DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, IN CONNECTION WITH THE SERVICE AND YOUR USE THEREOF, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.

WE MAKE NO WARRANTIES OR REPRESENTATIONS ABOUT THE ACCURACY OR COMPLETENESS OF THE SERVICE'S CONTENT AND WE WILL ASSUME NO LIABILITY OR RESPONSIBILITY FOR ANY:

  • ERRORS, MISTAKES, OR INACCURACIES OF CONTENT AND MATERIALS;
  • PERSONAL INJURY OR PROPERTY DAMAGE RESULTING FROM YOUR ACCESS TO AND USE OF THE SERVICE;
  • ANY UNAUTHORIZED ACCESS TO OR USE OF OUR SERVERS AND/OR ANY PERSONAL INFORMATION;
  • ANY INTERRUPTION OR CESSATION OF TRANSMISSION TO OR FROM THE SERVICE;
  • ANY BUGS, VIRUSES, OR THE LIKE WHICH MAY BE TRANSMITTED THROUGH THE SERVICE;
  • ANY ERRORS OR OMISSIONS IN ANY CONTENT OR FOR ANY LOSS OR DAMAGE INCURRED AS A RESULT OF THE USE OF ANY CONTENT.

AI AND MACHINE LEARNING TECHNOLOGY: THE SERVICE USES ARTIFICIAL INTELLIGENCE AND MACHINE LEARNING TECHNOLOGY, INCLUDING TENSORFLOW.JS AND RELATED MODELS, TO PROVIDE POSTURE ANALYSIS. WE DO NOT GUARANTEE THE ACCURACY, RELIABILITY, OR COMPLETENESS OF ANY AI-GENERATED ASSESSMENTS, RECOMMENDATIONS, OR FEEDBACK. AI AND MACHINE LEARNING MODELS MAY PRODUCE INACCURATE, INCONSISTENT, OR UNEXPECTED RESULTS DUE TO FACTORS INCLUDING BUT NOT LIMITED TO LIGHTING CONDITIONS, CAMERA QUALITY, BODY TYPE, CLOTHING, OR OTHER ENVIRONMENTAL VARIABLES. THE AI FEATURES ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, AND YOU ACKNOWLEDGE THAT AI TECHNOLOGY IS INHERENTLY IMPERFECT AND SHOULD NOT BE SOLELY RELIED UPON FOR ANY DECISIONS RELATING TO YOUR HEALTH OR WELLBEING.

THIRD-PARTY AND OPEN-SOURCE SOFTWARE: THE SERVICE INCORPORATES THIRD-PARTY AND OPEN-SOURCE SOFTWARE COMPONENTS, INCLUDING BUT NOT LIMITED TO TENSORFLOW.JS, FIREBASE, AND OTHER LIBRARIES. WE MAKE NO WARRANTIES REGARDING SUCH THIRD-PARTY SOFTWARE AND SHALL NOT BE LIABLE FOR ANY ISSUES, DAMAGES, OR LOSSES ARISING FROM THIRD-PARTY COMPONENTS. YOUR USE OF SUCH THIRD-PARTY SOFTWARE IS SUBJECT TO THE RESPECTIVE LICENCES AND TERMS OF THOSE COMPONENTS.

19. Limitations of Liability

IN NO EVENT WILL WE OR OUR DIRECTORS, EMPLOYEES, OR AGENTS BE LIABLE TO YOU OR ANY THIRD PARTY FOR ANY DIRECT, INDIRECT, CONSEQUENTIAL, EXEMPLARY, INCIDENTAL, SPECIAL, OR PUNITIVE DAMAGES, INCLUDING LOST PROFIT, LOST REVENUE, LOSS OF DATA, OR OTHER DAMAGES ARISING FROM YOUR USE OF THE SERVICE, EVEN IF WE HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

NOTWITHSTANDING ANYTHING TO THE CONTRARY CONTAINED HEREIN, OUR AGGREGATE LIABILITY TO YOU FOR ANY CAUSE WHATSOEVER AND REGARDLESS OF THE FORM OF THE ACTION, WILL AT ALL TIMES BE LIMITED TO THE AMOUNT PAID, IF ANY, BY YOU TO US DURING THE TWELVE (12) MONTH PERIOD PRIOR TO ANY CAUSE OF ACTION ARISING. IF YOU HAVE NOT MADE ANY PAYMENTS TO US, OUR MAXIMUM LIABILITY SHALL NOT EXCEED ONE HUNDRED POUNDS STERLING (£100).

NOTHING IN THESE TERMS SHALL EXCLUDE OR LIMIT OUR LIABILITY FOR DEATH OR PERSONAL INJURY CAUSED BY OUR NEGLIGENCE, FRAUD OR FRAUDULENT MISREPRESENTATION, OR ANY OTHER LIABILITY THAT CANNOT BE EXCLUDED OR LIMITED BY LAW.

20. Indemnification

You agree to defend, indemnify, and hold us harmless, including our subsidiaries, affiliates, and all of our respective officers, agents, partners, and employees, from and against any loss, damage, liability, claim, or demand, including reasonable attorneys' fees and expenses, made by any third party due to or arising out of: (1) your use of the Service; (2) breach of these Terms of Use; (3) any breach of your representations and warranties set forth in these Terms of Use; (4) your violation of the rights of a third party, including but not limited to intellectual property rights.

21. User Data

We will maintain certain data that you transmit to the Service for the purpose of managing the performance of the Service, as well as data relating to your use of the Service. Although we perform regular routine backups of data, you are solely responsible for all data that you transmit or that relates to any activity you have undertaken using the Service.

You agree that we shall have no liability to you for any loss or corruption of any such data, and you hereby waive any right of action against us arising from any such loss or corruption of such data.

Data Export and Deletion: You may request a copy of your personal data or request deletion of your account and associated data at any time by contacting us at privacy@sitapp.app. Such requests will be handled in accordance with our Privacy Policy and applicable data protection legislation, including the UK General Data Protection Regulation (UK GDPR).

22. Account Security

You are responsible for maintaining the security of your account credentials. You must immediately notify us at info@sitapp.app if you become aware of any unauthorised use of your account or any other breach of security. We reserve the right to disable any account at any time if, in our reasonable opinion, you have failed to comply with these Terms or your account security has been compromised.

23. Cookies

Our website uses cookies for a variety of purposes, including analytics and functionality. For detailed information about the cookies we use and how to manage them, please see our Cookie Policy.

24. Electronic Communications

Visiting our website, using the Service, sending us emails, and completing online forms constitute electronic communications. You consent to receive electronic communications, and you agree that all agreements, notices, disclosures, and other communications we provide to you electronically satisfy any legal requirement that such communication be in writing.

25. Survival

The following sections shall survive termination or expiry of these Terms of Use: Section 4 (Intellectual Property Rights), Section 12 (Health and Safety Disclaimer), Section 17 (Dispute Resolution), Section 18 (Disclaimer), Section 19 (Limitations of Liability), Section 20 (Indemnification), Section 21 (User Data), and this Section 25, together with any other provisions which by their nature are intended to survive.

26. Miscellaneous

These Terms of Use and any policies or operating rules posted by us on the Service constitute the entire agreement and understanding between you and us. Our failure to exercise or enforce any right or provision of these Terms of Use shall not operate as a waiver of such right or provision.

If any provision or part of a provision of these Terms of Use is determined to be unlawful, void, or unenforceable, that provision or part of the provision is deemed severable from these Terms of Use and does not affect the validity and enforceability of any remaining provisions.

There is no joint venture, partnership, employment, or agency relationship created between you and us as a result of these Terms of Use or use of the Service. We may assign any or all of our rights and obligations to others at any time. You may not assign or transfer your rights or obligations under these Terms without our prior written consent.

Force Majeure: We shall not be liable or responsible for any failure or delay in our performance under these Terms of Use resulting from any cause beyond our reasonable control, including but not limited to acts of God, natural disasters, pandemic, war, terrorism, riots, embargoes, acts of civil or military authorities, fire, floods, accidents, strikes, shortages of transportation, fuel, energy, labour, or materials, failure of telecommunications or information technology infrastructure, hacking, power outages, or any other event beyond our reasonable control.

27. Contact Us

If you have any questions about these Terms of Use or the Service, please contact us at:

Email: info@sitapp.app
Privacy Inquiries: privacy@sitapp.app
Website: https://sitapp.app

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