Kaizen Timer

Interval Timer for Training

Free · Designed for iPad

Train smarter with precise interval timers for boxing, HIIT, Tabata, and strength workouts. Fully customizable, reliable, and Apple Health–ready. 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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The developer, Stefan Dasic, 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 Linked to You

    The following data may be collected but it is not linked to your identity:

    • Health & Fitness

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

  • Seller
    • Stefan Dasic
  • Size
    • 3.3 MB
  • Category
    • Health & Fitness
  • Compatibility
    Requires iOS 17.6 or later.
    • iPhone
      Requires iOS 17.6 or later.
    • iPad
      Requires iPadOS 17.6 or later.
    • Mac
      Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.3 or later.
  • Languages
    • English
  • Age Rating
    4+
  • Copyright
    • © Stefan Dasic 2026
  • Privacy Policy

    • More by Stefan Dasic