Flintwork

Interval Workout Timer

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

Preset or custom interval routines, a 20-move exercise library, and a workout history log. Flintwork is a simple, free interval workout timer for bodyweight training — no gym equipment, no account, no subscription. ROUTINES Start with five ready-made routines (Full Body HIIT, Quick Core, Beginner Cardio, Tabata Classic, Stretch & Cooldown) or build your own from the exercise library, setting custom work and rest times for each move. LIBRARY Twenty bodyweight exercises across warmup, strength, cardio, and cooldown categories, each with a short instruction so you always know what's next. RUN A clear full-screen timer shows the current exercise, round progress, and remaining time, with pause, skip, and stop controls. HISTORY Every completed workout is logged locally, with your current streak and total session count. Flintwork has no account, no server, and no in-app purchases. Everything is stored on your device, and the app is supported by ads.

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The developer, jeongeun lee, 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 Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Location
    • Identifiers
    • Usage Data
    • Diagnostics

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Location
    • Identifiers
    • Usage Data
    • Diagnostics

  • Data Not Linked to You

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

    • Diagnostics

Privacy practices may vary based, for example, 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

Provider
  • jeongeun lee
Size
  • 33.7 MB
Category
  • Health & Fitness
Compatibility
Requires iOS 16.4 or later.
  • iPhone
    Requires iOS 16.4 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
  • English
Age Rating
9+
  • 9+
  • Learn More
  • Contains
    Advertising
    Health or Wellness Topics
Copyright
  • © 2026 Jeongeun Lee
  • Developer Website
  • Privacy Policy

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