On Time vs Blind Buzzer
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
On Time
Test your internal clock by stopping a timer at precisely 10 seconds. Compete globally with three distinct game modes and unlockable themes. It's a simple yet challenging game of timing and focus.
- One-tap gameplay
- Three distinct game modes
- Extended precision timing
- Global leaderboards
- Unlockable themes
- Daily challenges
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How well do you know 10 seconds? Press START. Count to ten in your head. Press STOP. Stop the timer at exactly 10.00 — no peeking. That's the whole game. Easy to play, hard to perfect. It's just you against your own internal clock. How close can you get? How to play • Tap START and start counting in your head • Tap STOP the instant you reach 10 seconds • See exactly how far off you were, then try to beat it Features • One-tap play — START, STOP, RETRY, nothing else to learn • Three modes — Normal, Blink (timer flashes), Blind (timer hides) • Extended precision — chase 10.0000 down to four decimals • Global leaderboards — rank worldwide for the most 10.00 stops. All-time and weekly, every mode • 121 hidden achievements to uncover • 7 unlockable themes, earned through play or with Stars you collect • Daily challenges and login streaks • Sign in with Apple or Google — keep your progress on any device • Clean, distraction-free design built for focus No luck, just your sense of time. Can you hit 10.00 on the dot?
Blind Buzzer
A party game where players stop a hidden timer as close to a target as possible. It features multiple game modes testing reaction time, guessing, and matching intervals. Play solo or with friends without needing Wi-Fi or an account.
- Hidden timer gameplay
- Multiple game modes
- Solo and multiplayer options
- No Wi-Fi or accounts required
- Daily challenges
- Pass-and-play functionality
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The blind timer game blowing up your feed — now in your pocket. Stop the timer at the exact target with your eyes on the buzzer, not the clock. The moment it starts, the clock hides — no numbers, no peeking. Trust your gut, buzz, and see how close you landed. A perfect hit is 0.00. Sounds easy. It isn't. SEVEN WAYS TO PLAY - Closest to X — stop the blind timer as close to the target as you can - Survival — endless rounds that tighten every time; one miss ends your run - Knockout — everyone buzzes, the furthest-off is knocked out, last player standing wins - Guess the Time — a hidden run plays, guess how long it lasted - Match the Time — hear an interval, then reproduce it by feel - Build the Time — stack start/stop runs until you hit the target - Tic Tac Toe — closest buzz claims the square DAILY CHALLENGE One blind target every day, the same for everyone worldwide. Build your streak and climb the Game Center leaderboards. PLAY ANYWHERE No wifi. No accounts. No sign-up. Pass one phone around or play solo on the couch. How close can you get? Buzz and find out.
Screenshots
Verdict
The clearest difference is review sentiment: Blind Buzzer at 100% against On Time's 50%. Blind Buzzer also leads on ads (none vs shown) and rating (4.8 vs 4.5). On Time's advantage is update cadence (every 2 days vs fortnightly) and monetization model (free vs freemium). On price, ratings volume, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. On Time sells 3 one-off in-app purchases and Blind Buzzer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Blind Buzzer holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 24 and 49 respectively. Written reviews point the same way: 50% of On Time's written reviews are positive against 100% of Blind Buzzer's.
On Time ships an update every 2 days, Blind Buzzer fortnightly. The most recent releases landed on September 18, 2026 and September 24, 2026 respectively.
| Parameter | On Time | Blind Buzzer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (24 ratings) | 4.8 (49 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 24 | 49 — better |
| Update frequency | Every 2 days — better | Fortnightly |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 71 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Byung Hun Lee | Danny Chan |
Customer experience
On Time
Blind Buzzer
In-app purchases
On Time
- 10 Stars$0.99
- Remove Ads$2.99
- 60 Stars$4.99
Blind Buzzer
- Blind Buzzer PRO$3.99









