# One Second Challenge vs Timer Challenge

The clearest difference is in-app purchases: One Second Challenge at none against Timer Challenge's 1. One Second Challenge also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Timer Challenge sells 1 one-off in-app purchase. One Second Challenge asks for nothing beyond the download.

One Second Challenge ships an update every 6 weeks, Timer Challenge every 2 months. The most recent releases landed on June 25, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | One Second Challenge | Timer Challenge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 1 MB | 15 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [THEJ KUMAR SIDDHOTAM ARULRAJ](https://appshunter.io/developer/1781177167) | [MUNEER SABLAL](https://appshunter.io/developer/1530653177) |

## 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


### Timer Challenge

[App page](https://appshunter.io/ios/app/timer-challenge-perfect-stop/id6772625649)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads & Unlock All | $0.99 | one-time |


## Frequently asked questions

### Is One Second Challenge free?

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

### Is Timer Challenge free?

Timer Challenge is free to download, with in-app purchases available.

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

Timer Challenge shows ads; One Second Challenge does not.

### Which is updated more often, One Second Challenge or Timer Challenge?

One Second Challenge ships an update every 6 weeks, and Timer Challenge every 2 months. Most recently, One Second Challenge was updated on June 25, 2026 and Timer Challenge on September 5, 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.*