Tend FastTend Fast
Privacy policy
Effective October 18, 2026
Your records
Your fasting history, eating-window timers, notes, check-ins, routines, preferences, and coach conversations are stored on your device. Tend Fast does not operate an account or a developer server that receives these records.
Optional health connections
Apple Health is read only with your permission. You choose which categories Tend Fast may read and can change access in Apple's Settings or Health app. If you connect Oura, the app contacts Oura's authorization and API services directly to retrieve the records you authorize. Oura's privacy policy applies to its service. Your Oura access token is stored in the iOS Keychain. These connections are optional.
How health data is used
Available health records provide context for your own history, sleep and movement observations, and widgets. Tend Fast does not sell health information or use it for advertising, marketing, or third-party data mining. It does not write records to Apple Health.
On-device intelligence and voice
Tend Fast uses Apple's on-device language models for supported coaching and insights. Notes and conversations are not sent to a developer backend or a third-party cloud AI service. Optional voice input uses Apple's on-device Speech framework after microphone permission. Apple may download the language assets needed for these features. Typing and the timer remain available without voice or AI.
Widgets and notifications
A limited timer and observation snapshot is shared with Tend Fast's own widget extension on this device. Live Activities and local notifications show information you choose to enable. Consider what is visible on your Lock Screen and adjust these features in Settings.
Backups and exports
Records and preferences may be included in your device backups according to your Apple settings. Some temporary caches and active timers are excluded from backup. History exports contain personal records; you choose where to save or share them and are responsible for any exported copies.
Your controls
You can disconnect optional sources, reset coach memory, and delete local fasting data in Settings. Deleting local data does not delete records held by Apple Health or Oura, or copies you exported. Appearance and protocol choices are kept. Permissions can also be changed in iOS Settings.
Advertising and tracking
Tend Fast has no advertising, third-party analytics SDK, or cross-app tracking. Optional Apple and Oura services remain subject to their own privacy policies. If you contact support, the information you choose to send is used to respond to your request.
Adults and contact
Tend Fast is intended for adults and is a general wellness tracking tool. It does not provide medical advice. For questions about this policy or your data, use the developer contact on Tend Fast's App Store support page.
Email support
About this website
This website does not set cookies or include analytics, advertising, or third-party embeds. Its hosting provider processes standard connection information to deliver the pages. If you email support, the information you choose to send is used to respond to your request.