Second Sense: Nail One Second

Train your sense of time

Only for iPhone

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

iPhone

Nail one second by feel. No clock, no scale — just instinct. Five honest tiers, Off to Legendary. With Freestyle, Daily Challenges, Assist. Ease in, sharpen over time. Without watching a clock, can you nail exactly one second? No clock, no scale, no countdown. Tap to start; when you feel a second has passed, tap again (or hold, then release). Second Sense won't flatter you or fool you — it just shows you how far off that one second you were. Simple at a glance, but the closer you get, the more it pulls you in: grind "So Close" into "Perfect," then reach for "Legendary." Go as deep as you like: in Freestyle, set any target from 1 to 60 seconds; Daily Challenges bring a fresh test each day, with a streak to keep; new here? Turn on Assist, then let go once your feel grows. Four bespoke themes, each its own world — unlocked individually via one-time in-app purchases: · Blueprint: cool draughtsman's lines and grids — precise and restrained. · Risograph: risograph grain and layered inks, retro and tactile. · Cyberpunk: neon cyber aesthetics, with day and night modes. · Glossy Y2K: millennial gloss — mirror, gradient, retro-future. Just one second, and an instinct that keeps getting sharper.

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The developer, QuantumCola (Hangzhou) Technologies Co.,Ltd., 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.

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

    Accessibility

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    Information

    Seller
    • QuantumCola (Hangzhou) Technologies Co.,Ltd.
    Size
    • 27.4 MB
    Category
    • Casual
    Compatibility
    Requires iOS 13.0 or later.
    • iPhone
      Requires iOS 13.0 or later.
    • iPod touch
      Requires iOS 13.0 or later.
    • Mac
      Requires macOS 11.0 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
    • Risograph Theme $1.99
    • Cyberpunk Theme $2.99
    • Blueprint Theme $1.99
    • Glossy Y2K Theme $1.99
    • Learn More
    Copyright
    • © 2026 QuantumCola Technologies
  • Privacy Policy

    • More by QuantumCola (Hangzhou) Technologies Co.,Ltd.