Kaizen Timer

Kaizen Timer

Interval Timer for Training

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Free

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Details

  • Released
  • Updated
  • February 26, 2026
  • February 26, 2026

Features

Kaizen Timer screenshot #1 for iPhone
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About

Kaizen Timer is a focused interval training timer designed for real workouts. Build structured work–rest intervals for boxing, HIIT, Tabata, treadmill sessions, and strength training. Use ready-made presets or create fully custom schedules with precise phase sequencing that matches how you train. 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 Kaizen Timer is fully functional and free to use. An optional support subscription is available to help fund ongoing development. No features or content are unlocked by subscribing. Train smarter. Stay focused. Improve every round. Terms of Use: https://kaizentimerapp.com/terms.html Privacy Policy: https://kaizentimerapp.com/privacy.html
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What's New in Kaizen Timer

1.4.3

February 26, 2026

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