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FitTimer only writes to Apple Health if you allowed it. Open Settings → Health → Data Access & Devices → FitTimer and turn on Workouts and Active Energy. Your next finished workout will save.

Vibration plays for the last five seconds of each interval while FitTimer is open. Check Settings → Sounds & Haptics and make sure vibration and System Haptics are on. iOS doesn't allow apps to vibrate while they're in the background.

When you use Screen Mirroring, the sound follows your iPhone's ring/silent switch. Switch the phone off silent and the voice coach and beeps will play on the TV.

Open Control Center, tap Screen Mirroring and pick your Apple TV or AirPlay-compatible TV. FitTimer shows a big-screen timer on the TV while your iPhone keeps the controls.

• iPhone and iPad with iOS / iPadOS 26 or later.
• Apple Watch with watchOS 26 or later (Series 6 or later, SE 2nd generation or later, and Ultra). The watch app follows a workout started on your iPhone.

Reopen FitTimer within six hours and it picks up exactly where you stopped, paused, so you can resume when you're ready.

No. FitTimer is a one-time purchase — no subscription, no ads, no account, and all future updates are included.