Round Zero: HIIT Interval

Tabata Workout Timer, No Ads

$0.99 · Designed for iPad. Not verified for macOS.

Buy once, train forever. No ads between your rounds, no subscription, no account. Round Zero is a fast, focused interval timer for HIIT, Tabata, EMOM, circuit training and boxing rounds. Buy it once. No ads, no subscription, no account. Ever. BUILT FOR REAL TRAINING Most free timers interrupt your session with a video ad between rounds. Round Zero never will. You pay once and the app is yours. EVERYTHING YOU NEED • Custom work and rest intervals, from 5 seconds to 10 minutes • Up to 100 rounds per session • Multi-cycle support with rest between cycles • Optional warm-up and cooldown phases • Five ready-to-use presets: Tabata, HIIT 30/30, EMOM 10, Boxing Rounds, Core Circuit STAY IN THE ZONE • Clear countdown with audio cues on the final three seconds • Haptic feedback on every phase change • Cues play over your music without pausing it • Keeps running when your screen is locked • Screen stays awake during a session TRACK YOUR PROGRESS • Every session saved automatically • Weekly activity chart • Daily streak counter • Total work time across all sessions • Share your finished session MADE THE RIGHT WAY • Works completely offline, even in airplane mode • No data collected, no tracking, no analytics • No permissions requested • Full dark mode • VoiceOver and Dynamic Type support • iPhone and iPad Round Zero does one thing and does it well: it counts your intervals, and gets out of your way.

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The developer, Devpool, 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 Collected

    The developer does not collect any data from this app.

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    Accessibility

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    Information

    Seller
    Devpool
    Size
    3.1 MB
    Category
    Health & Fitness
    Compatibility
    Requires iOS 18.0 or later.
    • iPhone
      Requires iOS 18.0 or later.
    • iPad
      Requires iPadOS 18.0 or later.
    • Mac
      Requires macOS 15.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 2.0 or later.
    Languages
    English
    Age Rating
    4+
    Copyright
    © 2026 Devpool
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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