App info
- Installs
- 100+
- Category
- Casual
- Content rating
- Everyone
- Version
- 1.0.0
- Released
- May 13, 2026
- Last updated
- 1 Jun 2026
- In-app purchases
- No
- Contains ads
- No
- Promo video
- No
- Requires Android
- 7.0
Screenshots
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What's newin version 1.0.0
- Fixed bugs - Improved performance - Added new features
About this app
Test your timing accuracy. The ultimate quick game skill challenge!
Read full description
Can you guess exactly when 30 seconds is up? "How Long?" is a time guessing game that tests something most people never think about — your internal clock. Pick a time (10, 20, 30, or 60 seconds), watch the timer disappear, and tap when you think it's up. No cheating. Just you and your sense of time. Sounds easy. It's not. 🎯 HOW TO PLAY 1. Choose your time challenge: 10, 20, 30, or 60 seconds 2. The timer hides — no peeking 3. Tap when you think time's up 4. See your result down to the millisecond Most first-timers miss by 3–6 seconds. The obsession starts when you try to fix that. ⏱️ FEATURES – Time guessing game with 4 difficulty levels – Millisecond accuracy scoring – Global leader board — see where you rank worldwide – Daily Challenge — a new time target every day, everyone competes on the same round – No ads. No distractions. Just the challenge. – Free to play 🧠 WHO IS THIS FOR? – Anyone who thinks they have a good sense of time (you probably don't) – Gamers who love skill-based challenges with no luck involved – People who enjoy quick games — each round is under 60 seconds – Brain training fans and reflex game lovers 🏆 DAILY CHALLENGE Every day, a new target time is set for all players. Beat the global leader board or just beat yourself. It resets at midnight — come back tomorrow and try again. Simple. Humbling. Addictive. Download "How Long?" and find out if your internal clock is better than you think.