# 10 Sec Challenge vs Clock Practice

The clearest difference is in-app purchases: 10 Sec Challenge at none against Clock Practice's 1. 10 Sec Challenge also leads on iOS requirement (12.0 vs 18.5). Clock Practice's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Clock Practice sells 1 one-off in-app purchase. 10 Sec Challenge asks for nothing beyond the download.

## The numbers

| Metric | 10 Sec Challenge | Clock Practice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/clock-practice-telling-time/id6755752452/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 33 MB | 10 MB |
| Requires iOS | **12.0** | 18.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Yudai Nishikawa](https://appshunter.io/developer/1745960087) | [TAKAYUKI HASHIMOTO](https://appshunter.io/developer/1689527181) |

## What reviewers say

### 10 Sec Challenge

[App page](https://appshunter.io/ios/app/10-sec-challenge-surprisetimer/id6743366168)

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

**In-app purchases:** none


### Clock Practice

[App page](https://appshunter.io/ios/app/clock-practice-telling-time/id6755752452)

This app helps children aged 3-7 learn to tell time on an analog clock. It features interactive spinning hands, voice guidance in multiple languages, and a gamified adventure map to make learning engaging and fun.

**Highlights:** Interactive analog clock with spinning hands, Voice guidance in 10 languages, Gamified adventure map with 5 learning lands, Two play modes: Practice and Time Attack, Color-coded hands for hours and minutes, Rewards and level-ups to maintain engagement

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | one-time |


## Frequently asked questions

### Is 10 Sec Challenge free?

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

### Is Clock Practice free?

Clock Practice is free to download, with in-app purchases available.

### Do 10 Sec Challenge or Clock Practice have ads?

10 Sec Challenge shows ads; Clock Practice does not.

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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.*