Comparison

Blind Buzzer vs Clock Challenge

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Hidden timer gameplay
  • Multiple game modes
  • Solo and multiplayer options
  • No Wi-Fi or accounts required
  • Daily challenges
  • Pass-and-play functionality
Features
Read full description

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.

About

Clock Challenge

Test your timing precision in this minimalist game where you get one daily attempt to stop a timer at exactly 10.000 seconds. Compete on leaderboards and build a daily streak.

Highlights
  • One daily attempt
  • Stop timer at 10.000 seconds
  • Global leaderboards
  • Daily streak tracking
  • Millisecond precision
  • Server-checked times
Features
Read full description

Stop the timer at exactly 10.000 seconds. That's it. That's the game. You get ONE attempt per day. One press, one score. Land on the board and your name goes up in lights. Miss it and the clock is locked until tomorrow. PLAY IN ONE TAP No sign-up wall. Open the app, hit START, hit STOP. Claim your player name after your first shot to put your time on the leaderboard. ONE SHOT A DAY No retries. No grinding. Your daily press is your score, so make it count. YOUR NAME IN LIGHTS Today's board shows the exact time everyone stopped at. The Month and Year boards rank average miss over rolling 30 and 365 days, so consistency wins the long game. Streak board tracks who shows up every day. BUILD YOUR STREAK Play every day to grow your streak. Miss a day and it's gone. SIMPLE. BRUTAL. FAIR. Same clock, same target, same single chance for everyone. Millisecond precision. Server-checked times, so no cheaters on this board. Link your email once to keep your name and streak on every device. Free to play. No ads. Fun for all ages. Good luck... and NO BLINKING.

Screenshots

Blind Buzzer4 screens
Clock Challenge4 screens

Verdict

The call

The clearest difference is in-app purchases: Clock Challenge at none against Blind Buzzer's 1. Clock Challenge also leads on update cadence (every 2 days vs fortnightly) and rating (5.0 vs 4.8). Blind Buzzer's advantage is ratings volume (49 vs 2). On price, review sentiment, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Blind Buzzer sells 1 one-off in-app purchase. Clock Challenge asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Clock Challenge holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Blind Buzzer has 49 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Blind Buzzer ships an update fortnightly, Clock Challenge every 2 days. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

Scorecard5 real differences · 5 level
Blind Buzzer versus Clock Challenge: the parameters behind the verdict, then further details
ParameterBlind BuzzerClock Challenge
PriceFreeFree
Rating4.8 (49 ratings)5.0 (2 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings49 — better2
Update frequencyFortnightlyEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better16.4
Further details — not scored
Size8 MB30 MB
Age rating4+4+
DeveloperDanny ChanTravis Moher

Customer experience

Blind Buzzer

All ratings49 ratings
Positive95.9%
Neutral4.1%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Clock Challenge

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Blind Buzzer

One-time1
  • Blind Buzzer PRO$3.99
None

Clock Challenge

No in-app purchases

Questions

Is Blind Buzzer free?
Blind Buzzer is free to download, with in-app purchases available.
Is Clock Challenge free?
Clock Challenge is free to download, with no in-app purchases.
Which has better reviews, Blind Buzzer or Clock Challenge?
Clock Challenge is rated higher. Blind Buzzer averages 4.8 out of 5 from 49 ratings, while Clock Challenge averages 5.0 from 2 ratings.
Do Blind Buzzer or Clock Challenge have ads?
Neither Blind Buzzer nor Clock Challenge shows ads.
Which is updated more often, Blind Buzzer or Clock Challenge?
Blind Buzzer ships an update fortnightly, and Clock Challenge every 2 days. Most recently, Blind Buzzer was updated on October 10, 2026 and Clock Challenge on October 15, 2026.

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