# Math World vs Clock quiz, What time?

The clearest difference is ads: Clock quiz, What time? at none against Math World's shown. Math World's advantage is iOS requirement (13.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Math World ships an update every 3 days, Clock quiz, What time? every 5 days. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Math World | Clock quiz, What time? |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 5 days |
| Size | 77 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Lee Hendricks](https://appshunter.io/developer/1792461451) | [hideo nakamura](https://appshunter.io/developer/1242808811) |

## What reviewers say

### Math World

[App page](https://appshunter.io/ios/app/math-world/id6740997726)

**Features:** macOS Compatibility

**In-app purchases:** none


### Clock quiz, What time?

[App page](https://appshunter.io/ios/app/clock-quiz-what-time/id6744439585)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Math World free?

Math World is free to download, with no in-app purchases.

### Is Clock quiz, What time? free?

Clock quiz, What time? is free to download, with no in-app purchases.

### Do Math World or Clock quiz, What time? have ads?

Math World shows ads; Clock quiz, What time? does not.

### Which is updated more often, Math World or Clock quiz, What time??

Math World ships an update every 3 days, and Clock quiz, What time? every 5 days. Most recently, Math World was updated on October 10, 2026 and Clock quiz, What time? on October 6, 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.*