Restore a purchase
Open ThinkLeft → You → ThinkLeft Pro, then choose Restore Purchases. Make sure you are signed into the Apple Account that made the purchase.
Permissions
ThinkLeft’s optional permissions can be changed in iOS Settings → Apps → ThinkLeft. Health access can also be reviewed in the Health app. The app works without Calendar, Health, Motion, Notifications, or Face ID access.
Back up your record
Open ThinkLeft → You → Data & Privacy → Export Backup. Save the JSON file somewhere you control. Use Restore Backup to import it later.
Delete your data
Open ThinkLeft → You → Data & Privacy → Reset All Data. This permanently removes the local record from the app.
Medical concerns
ThinkLeft is informational and is not a medical device. If fatigue is persistent, severe, or affecting safety, contact a qualified healthcare professional.