# Clock quiz, What time? vs Inner Clock Master

Clock quiz, What time? and Inner Clock Master are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.

Clock quiz, What time? ships an update every 5 days, Inner Clock Master every 4 days. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Clock quiz, What time? | Inner Clock Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Size | 1 MB | 19 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [hideo nakamura](https://appshunter.io/developer/1242808811) | [Ryoma Yanagimoto](https://appshunter.io/developer/1681944215) |

## What reviewers say

### Clock quiz, What time?

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

**Features:** Vision Pro support

**In-app purchases:** none


### Inner Clock Master

[App page](https://appshunter.io/ios/app/inner-clock-master/id6757979617)

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

**In-app purchases:** none


## Frequently asked questions

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

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

### Is Inner Clock Master free?

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

### Do Clock quiz, What time? or Inner Clock Master have ads?

Neither Clock quiz, What time? nor Inner Clock Master shows ads.

### Which is updated more often, Clock quiz, What time? or Inner Clock Master?

Clock quiz, What time? ships an update every 5 days, and Inner Clock Master every 4 days. Most recently, Clock quiz, What time? was updated on October 6, 2026 and Inner Clock Master on October 10, 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.*