# Clock Challenge vs StopLight! Stop the Timer Game

The clearest difference is in-app purchases: Clock Challenge at none against StopLight! Stop the Timer Game's 10. Clock Challenge also leads on ads (none vs shown) and update cadence (every 2 days vs every 5 days). On price, rating, ratings volume and monetization model there is nothing between them.

Both are free to download. StopLight! Stop the Timer Game sells 10 one-off in-app purchases. Clock Challenge asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Clock Challenge against 5.0 for StopLight! Stop the Timer Game. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Clock Challenge ships an update every 2 days, StopLight! Stop the Timer Game every 5 days. The most recent releases landed on October 15, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Clock Challenge | StopLight! Stop the Timer Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/clock-challenge-stop-at-10/id6800765527/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/stoplight-stop-the-timer-game/id6802486190/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | Free | Free |
| Size | 30 MB | 10 MB |
| Requires iOS | **16.4** | 17.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Travis Moher](https://appshunter.io/developer/1869982110) | [Moussa Zekak](https://appshunter.io/developer/1877491058) |

## What reviewers say

### 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


### StopLight! Stop the Timer Game

[App page](https://appshunter.io/ios/app/stoplight-stop-the-timer-game/id6802486190)

Test your timing and precision in this challenging game where you stop a timer exactly on a target number. Compete solo, challenge friends in duels, or play a social deduction game as an imposter.

**Highlights:** Blind timer stopping challenge, Solo endless rounds, 1v1 duels (couch, bot, online), Imposter social deduction mode, Customizable skins and clock faces, Game Center leaderboards and achievements

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GRAPE STATIC Backdrop | $2.99 | one-time |
| BLACKOUT Backdrop | $2.99 | one-time |
| Molten Clock | $2.99 | one-time |
| Cryo Clock | $2.99 | one-time |
| DEEP FRIED SUNSET Backdrop | $3.99 | one-time |
| VAPORGRID Backdrop | $4.99 | one-time |
| Vaporwave Clock | $4.99 | one-time |
| Ghost Clock | $4.99 | one-time |
| GLITCH Button | $7.99 | one-time |
| Solid Gold Clock | $7.99 | one-time |


## Frequently asked questions

### Is Clock Challenge free?

Clock Challenge is free to download, with no in-app purchases.

### Is StopLight! Stop the Timer Game free?

StopLight! Stop the Timer Game is free to download, with in-app purchases available.

### Which has better reviews, Clock Challenge or StopLight! Stop the Timer Game?

Clock Challenge and StopLight! Stop the Timer Game are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do Clock Challenge or StopLight! Stop the Timer Game have ads?

StopLight! Stop the Timer Game shows ads; Clock Challenge does not.

### Which is updated more often, Clock Challenge or StopLight! Stop the Timer Game?

Clock Challenge ships an update every 2 days, and StopLight! Stop the Timer Game every 5 days. Most recently, Clock Challenge was updated on October 15, 2026 and StopLight! Stop the Timer Game on October 18, 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.*