Reaction Time Test: Reflex Tap

Response Speed & Focus Trainer

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

How fast are you, really? Test your reflexes, unlock Go/No-Go, Sound and Choice modes plus an estimated percentile. Free daily challenge and streak. Reaction Tap measures your reaction time the simple, honest way - then lets you go further. The screen turns red. Wait. The moment it flips to green, tap as fast as you can. Tap too early and it counts as a false start. After five rounds you get your average in milliseconds and a reflex grade: Elite, Fast, Average or Slow. FREE, NO SUBSCRIPTION EVER - Classic 5-round reaction speed test with millisecond timing - Daily Challenge: one shared test each day, build a streak - Best round, personal best and full session history with a trend line - Haptic feedback (can be turned off) - No third-party ads, no tracking, works offline REACTION TAP PRO - one-time purchase, unlocks: - Go/No-Go: tap the green, hold still on the decoy - tests impulse control - Sound: react to a beep instead of a color - tests auditory reflex - Choice: tap the side that lights up - tests decision speed - Estimated percentile vs published reaction-time research norms - Per-mode trend graphs and personal bests - 3 accent themes - Removes the promo cards shown between results PRIVATE BY DESIGN - No account, no sign-up, no data collection. Results stay on your device Use it as a quick warm-up before gaming or sport, a daily focus check, or a friendly challenge: share your result card and compare with a friend. Reaction Tap Pro is a one-time purchase, never a subscription. Restore Purchases is available in Settings.

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The developer, Deokhoon Hong, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

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    Information

    Seller
    Deokhoon Hong
    Size
    2.4 MB
    Category
    Casual
    Compatibility
    Requires iOS 15.0 or later.
    • iPhone
      Requires iOS 15.0 or later.
    • iPod touch
      Requires iOS 15.0 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
    4+
    In-App Purchases
    Yes
    Copyright
    © 2026 KunStudio
  • Developer Website
  • Privacy Policy

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