Your data

Privacy policy.

Last updated October 12, 2026

Your training data

Your workouts, exercises, routines, and preferences are stored on your devices. If you use the Apple Watch companion, the current workout log and selected settings are synchronized between your paired iPhone and Apple Watch. No Hypertrophy account is required, and the app does not send your training log to a developer-operated server. We do not include advertising, third-party analytics, or tracking SDKs, and we do not sell your personal or health data.

Apple Health

With your permission, Hypertrophy saves finished strength workouts to Apple Health from iPhone and, during a live Watch session, from Apple Watch. The Watch can read heart rate and active energy while you train. iPhone can read bodyweight to calculate training volume, and both devices can read sleep, heart rate and variability (including recovery HRV where available), breathing rate and disturbances, wrist temperature, blood oxygen, active energy, workouts, and mindful sessions to estimate recovery and daily energy. Recovery uses measurements from recorded sleep; daily energy also uses daytime measurements. Recovery access is optional and independent of workout export. Calculated recovery and daily energy results, with their supporting summaries, are synchronized and cached between your paired iPhone and Apple Watch so Watch can display a current result when its local Health history is incomplete. These features process data on your devices; health data is not used for advertising or shared with data brokers. Readiness is a training estimate, not a medical diagnosis.

Your choices

You control Health permissions in Apple Health and in the privacy settings on your iPhone and Apple Watch. The Save workouts to Health setting controls saving finished workouts. With saving off, optional Watch Health permission can still keep a live workout on screen when you lower your wrist; that session is discarded instead of saved. Bodyweight and recovery need their own read permissions. You can keep logging without granting Health access.

Notifications

Rest-timer alerts, training reminders, weekly summaries, and optional morning recovery notices use local notifications. You can change optional reminders and morning recovery notices in Hypertrophy Settings, and turn off notifications in your device settings.

Purchases

Hypertrophy+ is a one-time purchase with no subscription for new purchases. Apple processes payments. The app uses signed Apple StoreKit purchase records to check access, including restore and refunds. Verified, non-refunded purchases of the earlier monthly or annual subscriptions grant permanent Plus access. We do not receive payment card details. Billing and refunds are handled by Apple.

Backups and exports

Export Backup and Export Sets as CSV create files you choose where to save or share. A backup may include workout details and recorded bodyweight. Restore imports a file you select and creates a local safety copy before changing the log. The app does not independently upload these files. If you save them to iCloud Drive or another service, that service’s privacy policy applies. Device backups and Apple Health syncing are controlled by your Apple settings and Apple’s policies.

Retention and deletion

Training records remain on your devices until you delete them or remove the app. Deleting an iPhone workout also attempts to remove its linked Apple Health workout; check Health separately if removal fails. Removing the app does not erase existing Health records, exported files, device backups, or data still on your other device. To remove those copies, delete them in Health, your chosen file or backup service, and on the other device as appropriate. There is no Hypertrophy account to delete.

Support and this website

If you email support, we receive your email address and the information you choose to send, and use it to respond and resolve the issue. Please avoid sending health records or full workout backups unless needed. We keep support correspondence only as long as needed to handle your request and applicable obligations; contact us to request deletion. This public website is hosted using OpenAI Sites and Cloudflare, whose infrastructure processes connection information such as IP address and request details to deliver and secure the pages. We do not add advertising or analytics to these pages.

Contact and updates

For privacy questions or requests, email strole95@gmail.com. Changes to this policy will be posted here with an updated date.

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