Keep Time: Interval Timer
HIIT & Tabata for Coaches
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Set work, rest, exercises, and rounds once, then coach the session. A gym clock readable across the floor. Pay once. No subscription.
Keep Time is an interval timer for personal trainers who coach one client or a small group.
Set it once. Coach the session.
- Set work, rest, exercises, and rounds in one screen, then start.
- Repeat Last starts your previous session in one tap.
- Large phase colours and a timer you can read from several metres away.
- Tap to reveal Pause, +15 sec, and Skip. Hold to end, so a stray tap never stops a session.
- Distinct sound cues mix with your music and can briefly lower it.
- Live Activity on the Lock Screen and Dynamic Island while a session runs.
- Works offline. Your routines stay on your iPhone.
Free to use:
- Every timer and session feature.
- The Trainer Essentials starter routines.
- Up to 3 saved routines of your own and 1 pinned routine.
One-time Keep Time Unlock (in-app purchase):
- Unlimited saved routines.
- Pin up to 4 routines to the Coach Board.
- Sync routines with iCloud across your devices.
Pay once. No subscription. Includes Family Sharing.
Keep Time has no account, no ads, and no analytics. Phase alerts while your iPhone is locked are delivered by iOS and may not arrive at every boundary.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Sven Korevaar, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Sven Korevaar
- Size
- 5 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- iPhone
- Languages
- English and Dutch
- Age Rating
9+
- 9+
- Contains
Health or Wellness Topics
- In-App Purchases
Yes
- Keep Time Unlock $9.99
- Copyright
- © 2026 Fortymark

