# Nanzoo Clock vs ClockLesson

The clearest difference is update cadence: Nanzoo Clock at every 10 days against ClockLesson's every 5 months. Nanzoo Clock also leads on iOS requirement (13.0 vs 15.0). ClockLesson's advantage is device support. On price and in-app purchases there is nothing between them.

Both are free to download. Nanzoo Clock sells 1 one-off in-app purchase and ClockLesson sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Nanzoo Clock ships an update every 10 days, ClockLesson every 5 months. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Nanzoo Clock | ClockLesson |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | **Every 10 days** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 83 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takafumi Sasaki](https://appshunter.io/developer/625986968) | [HappyCode Lab](https://appshunter.io/developer/6793409707) |

## What reviewers say

### Nanzoo Clock

[App page](https://appshunter.io/ios/app/nanzoo-clock/id625986965)

This educational app teaches children aged 3-7 how to tell time using interactive clock activities. Users can select animal clocks and practice setting and reading time with adjustable difficulty levels.

**Highlights:** Interactive animal clocks, Set the time activity, Read the time activity, Adjustable difficulty levels, Parent gate for purchases, No ads or tracking

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Level Unlock | $0.99 | one-time |


### ClockLesson

[App page](https://appshunter.io/ios/app/clocklesson-learn-by-touch/id1640611945)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all quiz stages. | $2.99 | one-time |


## Frequently asked questions

### Is Nanzoo Clock free?

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

### Is ClockLesson free?

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

### Which is updated more often, Nanzoo Clock or ClockLesson?

Nanzoo Clock ships an update every 10 days, and ClockLesson every 5 months. Most recently, Nanzoo Clock was updated on October 1, 2026 and ClockLesson 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.*