Comparison

Buzzer Knockout vs Stop the Timer

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

Head to head
About

Buzzer Knockout

Features
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Stop the timer at exactly 10.00 seconds – without looking. Buzzer Knockout turns the stopwatch challenge into a party game. Everyone sees the same target time, say 6.7 seconds. Hit the buzzer to start an invisible timer and hit it again when you think the time is up. Closest to the target wins. No display, just your sense of timing. NEW: BUZZER ROYALE Every Friday at 8 pm (Berlin time) everyone plays at once. Each round the worse half is out, until only one is left. Will you be the last one standing? GAME MODES • Solo: Train your timing and chase your personal best. • NEW – Career: 50 levels in 5 chapters, up to 3 stars each. After the warm-up come Quick Glance, distractions, ghosts, wind and snow – every new star earns Sparks. • NEW – TV party: one iPhone or iPad shows the target and the ranking on the TV via AirPlay, every other phone becomes a buzzer. • Classic: 2 to 8 players on one device – take turns, pass the phone, done. • NEW – Party mode: Every turn brings a house rule – weaker hand, eyes closed, on one leg … • Knockout: Whoever is furthest off each round is out. • Time Guess: A counter starts visibly and vanishes after one second. How long did it run? • 10-Second Challenge: a fixed 10.00 s target and a result card to share. • Table Mode: Several players buzz at the same time on one screen, up to four on iPad. • Tournament: 4 or 8 players in a knockout bracket all the way to the final. • Online: Quick Match, private rooms via code or link, Time Guess and rematches – no Game Center account needed. DUEL BY LINK Three rounds, fixed target times: play first, send the link – your friends play the same times whenever they like. Even without the app: they play straight from the link via App Clip or in the browser. • Rematch in one tap – your opponent gets a notification with three new target times • Get notified as soon as someone plays your duel • A result card to share and stickers for iMessage MADE FOR GAME NIGHT • Local games are free – one device is all you need. • Teams: Compete in groups. • Handicaps like “Quick Glance” and “Distraction” level the field between pros and beginners. • Dare cards: Whoever finishes last in a round draws a card. AN EVENT EVERY MONTH Ghost Hour in October, Autumn Wind in November, Snow Storm in December: the buzzer vanishes, gets pushed around by the wind or snowed in – with double pass XP. And on December 31 the New Year's countdown: tap exactly at midnight – without a clock. DAILY CHALLENGE The same target time for everyone, worldwide, every day. Three attempts, one global leaderboard – how close can you get today? • NEW – Country league: your country counts too, with a flag next to your name. • Weekly league: your five best days count, and the top players earn Sparks every Monday. • Friends ranking: whoever opens your link joins your leaderboard. • Streaks with bonus Sparks – rescue a missed day with Sparks or a video. • Home and Lock Screen widget: today's target and your streak at a glance. • NEW – Apple Watch: stop blind on your wrist, with training and the Daily Challenge. COLLECT AND LEVEL UP • Buzzer Pass with monthly themed seasons • Daily Quests and dozens of Achievements • Buzzer skins, themes, frames, name effects, confetti and victory animations • Daily deals in the Shop • Back up your progress with iCloud BUZZER KNOCKOUT PLUS Unlock once: no ads, all dare card packs and an exclusive theme. IN 13 LANGUAGES English, German, Spanish, French, Portuguese, Italian, Dutch, Polish, Bosnian, Croatian, Serbian, Greek and Turkish. Buzzer Knockout is free to play. It contains ads and optional in-app purchases. How good is your timing?

About

Stop the Timer

Test your sense of time in this reflex challenge where you tap to stop a hidden timer. Compete in different game modes, track your progress, and aim for perfect stops. It's a simple yet challenging game of precision and focus.

Highlights
  • Hidden timer reflex challenge
  • Three distinct game modes
  • Scored to the hundredth of a second
  • Adjustable difficulty levels
  • Progress tracking and achievements
  • Offline play
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THE CLOCK HIDES. YOU COUNT. Tap GO. Count in your head. Tap STOP at exactly the right moment. That's it. That's the game. And it's way harder than it sounds. Stop the Timer is the viral stopwatch challenge, built into a real game for iPhone. No aiming, no puzzles, no luck. Just you and your sense of time. You've seen it all over your feed. Now it's your turn. THREE WAYS TO PLAY SUDDEN DEATH One life. Each round the target gets longer and the timing gets stricter. Chain PERFECT stops, build a streak, and see how deep you can go before one miss ends it all. LADDER Ten rounds, climbing from 1 second to 10. Every hundredth you're off adds up. Lowest total wins. Two minutes, endlessly replayable. FREE PLAY Make your own game. Set the timer, pick the target, choose how the answer is revealed. Practice on your own or pass the phone around and settle it with friends. FAIR DOWN TO THE HUNDREDTH Stop at 10.01 and the game says 10.01. Every stop is scored to the hundredth of a second, so a PERFECT is real bragging rights. You always see your target, your time, and exactly how close you came. PICK YOUR CHALLENGE • Easy: the timer stays visible the whole time • Medium: a quick peek, then it hides • Hard: fully hidden, no help. The real flex. Start easy. Train your inner clock. Then go for Hard. WATCH YOURSELF GET GOOD Track your best streak, your longest run, and how close you land on average. Earn all eight achievements. Beat your own best, then beat it again. FREE. OFFLINE. NO NONSENSE. • No ads, no subscriptions, no in-app purchases • Plays anywhere: airplane mode, the subway, the couch • No account, no sign-up, no data collection • Small download, instant play Can you stop it at exactly 10.00? One way to find out.

Screenshots

Buzzer Knockout4 screens
Stop the Timer4 screens

Verdict

The call

The clearest difference is in-app purchases: Stop the Timer at none against Buzzer Knockout's 5. Stop the Timer also leads on ads (none vs shown). Buzzer Knockout's advantage is device support (3 vs 1). On price and iOS requirement 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. Buzzer Knockout sells 5 one-off in-app purchases. Stop the Timer asks for nothing beyond the download.

Scorecard3 real differences · 7 level
Buzzer Knockout versus Stop the Timer: the parameters behind the verdict, then further details
ParameterBuzzer KnockoutStop the Timer
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 8 days—
AdsYesNo — better
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS17.6 — better18.0
Further details — not scored
Size25 MB16 MB
Age rating4+4+
DeveloperStavros PetropoulosCovelo Tech

In-app purchases

5 purchases

Buzzer Knockout

One-time5
  • 100 Sparks$0.99
  • 500 Sparks$2.99
  • 1,200 Sparks$3.99
Show 2 more
  • Premium Pass$8.99
  • 3,000 Sparks$8.99
None

Stop the Timer

No in-app purchases

Questions

Is Buzzer Knockout free?
Buzzer Knockout is free to download, with in-app purchases available.
Is Stop the Timer free?
Stop the Timer is free to download, with no in-app purchases.
Do Buzzer Knockout or Stop the Timer have ads?
Buzzer Knockout shows ads; Stop the Timer does not.

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