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Terms of Use

Last updated: 29 June 2026

By downloading or using FormTwin (“the app”), you agree to these terms. Please read them alongside our Privacy Policy.

Standard licence (EULA)

FormTwin is licensed, not sold, to you for use under Apple’s standard Licensed Application End User License Agreement, available at apple.com/legal/internet-services/itunes/dev/stdeula. Those terms govern your use of the app.

Health & fitness disclaimer

FormTwin is a fitness and tracking tool for general informational purposes only. It is not medical advice and is not a substitute for professional guidance. The 3D body model, conditioning estimates, calorie and macro targets, and nutrition suggestions are estimates based on the information you provide and published research — your real results will vary. Consult a qualified professional before starting any new exercise or nutrition program, especially if you have a medical condition. You use the app at your own risk.

Subscriptions & purchases

FormTwin Pro is available as an auto-renewing subscription (monthly or yearly, each with a 1-month free trial) or a one-time lifetime purchase. Purchases are processed by Apple through the App Store and billed to your Apple ID. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple ID subscription settings.

Acceptable use

You agree not to misuse the app, attempt to reverse-engineer it beyond what the law allows, or use it for any unlawful purpose.

Content & attributions

The 3D anatomical models are derived from open datasets (BodyParts3D © DBCLS, and Z-Anatomy) licensed under Creative Commons Attribution-ShareAlike, and nutrition data is provided by Open Food Facts under the Open Database License. Full attributions are listed in the app under Profile → Acknowledgements.

Changes

We may update these terms; the date above reflects the latest version. Continued use of the app means you accept the updated terms.

Contact

Questions? Email [email protected].