# One Second Challenge vs Stop Timer Button Challenge

One Second Challenge and Stop Timer Button Challenge are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | One Second Challenge | Stop Timer Button Challenge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Size | 1 MB | 4 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [THEJ KUMAR SIDDHOTAM ARULRAJ](https://appshunter.io/developer/1781177167) | [Stolen Development AS](https://appshunter.io/developer/6785076017) |

## What reviewers say

### One Second Challenge

[App page](https://appshunter.io/ios/app/one-second-challenge/id6768998129)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Stop Timer Button Challenge

[App page](https://appshunter.io/ios/app/stop-timer-button-challenge/id6809932054)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is One Second Challenge free?

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

### Is Stop Timer Button Challenge free?

Stop Timer Button Challenge is free to download, with no in-app purchases.

### Do One Second Challenge or Stop Timer Button Challenge have ads?

Neither One Second Challenge nor Stop Timer Button Challenge shows ads.

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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.*