# RTH Clock vs ClockLesson

The clearest difference is in-app purchases: RTH Clock at none against ClockLesson's 1. RTH Clock also leads on iOS requirement (8.0 vs 15.0). ClockLesson's advantage is update cadence (every 5 months vs every 21 months). On price, ads and device support there is nothing between them.

Both are free to download. ClockLesson sells 1 one-off in-app purchase. RTH Clock asks for nothing beyond the download.

RTH Clock ships an update every 21 months, ClockLesson every 5 months. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | RTH Clock | ClockLesson |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (17 ratings)](https://appshunter.io/ios/app/rth-clock/id1195368703/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 5 months** |
| Monetization | Free | — |
| Size | 30 MB | 83 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hemin Ibrahim](https://appshunter.io/developer/604572094) | [HappyCode Lab](https://appshunter.io/developer/6793409707) |

## What reviewers say

### RTH Clock

[App page](https://appshunter.io/ios/app/rth-clock/id1195368703)

This app helps children learn to tell time through an interactive game and learning modules. It uses sound, text, and numbers to teach reading a clock in a simple, clean interface.

**Highlights:** Interactive learning game, Learn via sound, text, and numbers, Random time generation, Read time aloud, Clean and simple design

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 RTH Clock free?

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

### Is ClockLesson free?

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

### Do RTH Clock or ClockLesson have ads?

Neither RTH Clock nor ClockLesson shows ads.

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

RTH Clock ships an update every 21 months, and ClockLesson every 5 months. Most recently, RTH Clock was updated on September 30, 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.*