# Blind Buzzer vs Clock Challenge

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.

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

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.

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.

## The numbers

| Metric | Blind Buzzer | Clock Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (49 ratings)](https://appshunter.io/ios/app/blind-buzzer-timer-game/id6777848529/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/clock-challenge-stop-at-10/id6800765527/reviews)** |
| Number of ratings | **49** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Freemium | **Free** |
| Size | 8 MB | 30 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Danny Chan](https://appshunter.io/developer/1896765748) | [Travis Moher](https://appshunter.io/developer/1869982110) |

## What reviewers say

### Blind Buzzer

[App page](https://appshunter.io/ios/app/blind-buzzer-timer-game/id6777848529)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Blind Buzzer PRO | $3.99 | one-time |


### Clock Challenge

[App page](https://appshunter.io/ios/app/clock-challenge-stop-at-10/id6800765527)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*