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Logging is free forever: mood check-ins, all 39+ symptoms, custom symptoms, factors, streaks, the weekly report, and a widget. That's a promise, not a trial.

Tend Pro deepens your insights: your all-time history, deeper patterns powered by passive Apple Health signals (sleep, steps, activity, mindfulness, cycle), the doctor report, and on-device AI summaries. Pro is an annual subscription with a free trial, or a one-time lifetime purchase.

No. There's no account and no sign-up. Everything is stored on your device and in Apple Health, and optionally synced across your own devices through your private iCloud. See our Privacy Policy for details.

Your moods and symptoms are written to Apple Health as real samples, so they stay in the Health app even if you delete Tend. Factors, notes, and custom symptoms sync to your private iCloud, so reinstalling Tend restores them.

Tend needs your permission. Go to iOS Settings → Apps → Health → Data Access & Devices → Tend and enable the categories you want, both reading and writing.

Some pattern signals (like sleep or cycle data) only appear if Apple Health actually has that data from your devices or other apps.

No. Tend's streak forgives: missing a day never resets your progress, and logging a past day repairs the walk. Sprout grows with you, not against you.

Patterns finds statistical associations in your own data, computed entirely on your iPhone: for example, that your mood tends to be brighter after 7+ hours of sleep. An association is not a diagnosis and not causation. Treat a pattern as a prompt for a conversation with a professional.

Open Insights → Explore and tap the share button to generate a one-page month summary PDF with your mood line, top symptoms, and factor effects. It's designed to print clean in black and white. (Doctor reports are a Tend Pro feature.)

Long-press an empty area of your home screen until the icons jiggle, tap the + in the corner, search for Tend, choose a size, and tap Add Widget. For lock screen widgets, long-press your lock screen and tap Customise.

Subscriptions are managed by Apple. Go to iOS Settings → [your name] → Subscriptions, select Tend, and tap Cancel Subscription. You'll keep Pro until the end of the current period. For refunds, use reportaproblem.apple.com.

Sign in with the same Apple ID you used to buy Pro, open Tend, and go to Settings → Tend Pro → Restore Purchases.

You can delete all Tend data from the app's Settings. Data written to Apple Health is managed separately in the Health app (Browse → search a data type → Data Sources & Access), and you can revoke Tend's Health access at any time in iOS Settings.