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Interval Timer Pro

Interval Timer Pro

Timing for HIIT Training

598 ratings
492 reviews
💪 Health & Fitness
$2.99

Details

  • Released
  • Updated
  • October 7, 2010
  • January 14, 2026

Features

Developer

Beesoft Apps
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Interval Timer Pro screenshot #1 for iPhone
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❓5 answered
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About

This app helps you manage work and rest periods for various fitness activities. It offers customizable intervals, runs in the background, and allows you to play music during workouts. Save your settings and share your progress.

✓Customizable sets and intervals
✓Background operation
✓Music playback
✓Save settings as templates
✓Post-workout sharing
Show original description

What users say

Summarized from real user reviews of Interval Timer Pro. Based on 598 reviews and a 4.5/5 average, it highlights the 6 positives and 5 negatives reviewers mention most about this Health & Fitness app.

Positive things

  • 💪Excellent for interval training
  • 🎨Customizable workouts
  • 🎶Integrates with music
  • ⏱️Reliable timer
  • 📊Tracks workout history
  • 🧠Helps maintain focus

Negative things

  • 🐛Bugs with screen orientation and audio
  • 🔄No ability to reorder intervals
  • 📤No workout sharing or syncing
  • 🔒Lack of customization options
  • 💰Paid version offers limited additional features
See all reviews

What's New in Interval Timer Pro

4.2.1

January 14, 2026

Bug fixes

User reviews

Most RecentHighest RatedLowest Rated

They broke the app: cuts off audio

I bought and used the app for years. And they broke it. It now drops audio volume to almost muted for every timer, then cranks the volume back up when the timer is done. The app is now unusable.
ShoutingMan!ShoutingMan!

awful sounds

awful sounds, completely unusable
afwt jevywhafwt jevywh

Garbage

Update ruins the app. Music now ducks out. Can’t fix in iPhone settings. Trying to sell me a subscription. I already bought this. Garbage
blarry blendersonblarry blenderson

Great Customizable Timer

I use this app daily for different purposes, not just interval exercises. The app calendar tracks a weeks worth of activity at a time, which is great. It would be REALLY great if you could track activity time for week, month, year as well.
Michael4602Michael4602

Music during workout

As soon as you start a workout, the music volume is reduced. When the workout ends, the volume increases again and becomes louder. Please fix this immediately.
zFlY(s)zFlY(s)
See 487 more reviews

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User experience

🐞

Reported Bugs

3 issues

App freezes when adjusting number of sets

Bug

Timer stops working when switching apps

Bug

Paid version doesn't import free version workouts

Bug
✨

Requested Features

5 requests

Apple Watch integration

Feature

Countdown timer before interval ends

Feature

Ability to import/export workout routines

Feature

More sound effect options

Feature

Ability to see upcoming interval

Feature

FAQ

What does the Interval Timer Pro app do?

This app is designed to help users manage their work and rest periods during various fitness activities. It allows for precise timing of high and low intensity intervals, as well as rest periods between sets, making it ideal for structured workouts.

What are the key features of this interval timer?

Key features include fully customizable sets, interval durations (high/low intensity, rest), countdown time, and the ability to save settings as templates. It also supports background operation, music playback, and post-workout sharing to social media.

Is this app free to use?

Yes, the app is available for free. There are no in-app purchases or advertisements mentioned, indicating a completely free experience for users.

What types of workouts is this app suitable for?

The app is versatile and suitable for a wide range of workouts including cycling, running, weightlifting, general exercise, stretching, boxing, MMA, and High-Intensity Interval Training (HIIT).

Can the timer run while my phone screen is locked?

Yes, the app is designed to continue running reliably even when the screen is locked or the device is in the background. This ensures uninterrupted timing during your entire workout session.