# Clock Challenge vs Smart Clocks

The clearest difference is price: Smart Clocks at Free against Clock Challenge's $0.99. Smart Clocks also leads on update cadence (every 4 weeks vs every 15 months) and iOS requirement (12.0 vs 14.2). On ads, in-app purchases and device support there is nothing between them.

Smart Clocks is free to download; Clock Challenge costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Clock Challenge ships an update every 15 months, Smart Clocks every 4 weeks. The most recent releases landed on October 18, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Clock Challenge | Smart Clocks |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smart-clocks/id6608968019/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 4 weeks** |
| Monetization | — | Free |
| Size | 59 MB | 86 MB |
| Requires iOS | 14.2 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jariya Tuantranont](https://appshunter.io/developer/404509814) | [Yan Xu](https://appshunter.io/developer/1503643654) |

## What reviewers say

### Clock Challenge

[App page](https://appshunter.io/ios/app/clock-challenge/id597084739)

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

**In-app purchases:** none


### Smart Clocks

[App page](https://appshunter.io/ios/app/smart-clocks/id6608968019)

This educational app helps children learn about clocks and time through interactive exercises. It features engaging activities for practicing time-telling, writing, and understanding time intervals with voice and text instructions.

**Highlights:** Observe time changes with interactive hands, Practice writing time from clock indications, Draw clock hands from digital displays, Calculate time before or after a given period, Determine time between two clock indications, Text and voice instructions for all modules, Animation demonstrations of clocks

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Clock Challenge free?

Clock Challenge costs $0.99, with no in-app purchases.

### Is Smart Clocks free?

Smart Clocks is free to download, with no in-app purchases.

### Do Clock Challenge or Smart Clocks have ads?

Neither Clock Challenge nor Smart Clocks shows ads.

### Which is updated more often, Clock Challenge or Smart Clocks?

Clock Challenge ships an update every 15 months, and Smart Clocks every 4 weeks. Most recently, Clock Challenge was updated on October 18, 2026 and Smart Clocks on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*