Kaizen Timer

Kaizen Timer

Interval Timer for Training

0 ratings
Free

Rating summary

Details

  • Released
  • Updated
  • February 26, 2026
  • August 31, 2026

Features

Kaizen Timer screenshot #1 for iPhone
Kaizen Timer screenshot #2 for iPhone
Kaizen Timer screenshot #3 for iPhone
Kaizen Timer screenshot #4 for iPhone
Kaizen Timer screenshot #5 for iPhone
Kaizen Timer screenshot #6 for iPhone
iphone
ipad
🖼️Get Icon
Icons↘︎

About

Kaizen Timer is a customizable interval timer for boxing, HIIT, Tabata, treadmill workouts, strength training, and more. Build simple work–rest intervals or create advanced multi-phase workouts that match exactly how you train. Start quickly with ready-made presets, or customize every phase, round, work period, and rest period. FEATURES • Presets for popular training styles • Fully customizable work and rest intervals • Advanced phase sequencing for complex workouts • Clear visual and audio timers • Accurate round and phase tracking • Reliable timing when backgrounded or locked • Home Screen widgets for quick access • Light and dark mode support • Optional Apple Health integration for workouts and calorie estimation • Export completed workouts • Available in multiple languages, including: English, French, German, Italian, Russian, Spanish, Japanese, Chinese BUILT FOR CONSISTENCY Set your training intensity and let Kaizen Timer handle the structure. Timers stay accurate even during interruptions, helping you stay focused through every round. FREE TO USE All Kaizen Timer features are available for free. An optional support subscription helps fund ongoing development, but subscribing is never required to access features or content. Train smarter. Stay focused. Improve every round. Terms of Use: https://kaizentimerapp.com/terms.html Privacy Policy: https://kaizentimerapp.com/privacy.html
Show more
+3

What's New in Kaizen Timer

1.5.1

August 31, 2026

- Small bug fixes. Thanks to all for the support and kind words!

Developer apps