# Clock Challenge vs Kindergarten Math

The clearest difference is price: Kindergarten Math at Free against Clock Challenge's $0.99. Kindergarten Math also leads on update cadence (every 2 weeks vs every 15 months) and iOS requirement (11.0 vs 14.2). Clock Challenge's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

Kindergarten Math is free to download; Clock Challenge costs $0.99 up front. Kindergarten Math sells 2 in-app purchases, starting at $2.99 per month. Clock Challenge asks for nothing beyond the download.

Clock Challenge ships an update every 15 months, Kindergarten Math every 2 weeks. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Clock Challenge | Kindergarten Math |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kindergarten-math-pearl/id6470879085/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 59 MB | 418 MB |
| Requires iOS | 14.2 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jariya Tuantranont](https://appshunter.io/developer/404509814) | [iO School, Inc.](https://appshunter.io/developer/1562516642) |

## 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


### Kindergarten Math

[App page](https://appshunter.io/ios/app/kindergarten-math-pearl/id6470879085)

This app offers a fun and engaging way for young children to learn essential kindergarten math skills. It features interactive mini-games focused on counting, shapes, and number writing, with progress tracking for parents.

**Highlights:** Counting by 2s and 5s to 100, Introduction to 2D and 3D shapes, Naming and describing shapes, Counting and writing numbers practice, Drawing shapes, Parent Dashboard for progress tracking

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access - Monthly | $2.99 | per month |
| Full Access - Annual | $24.99 | per year |


## Frequently asked questions

### Is Clock Challenge free?

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

### Is Kindergarten Math free?

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

### Do Clock Challenge or Kindergarten Math have ads?

Kindergarten Math shows ads; Clock Challenge does not.

### Which is updated more often, Clock Challenge or Kindergarten Math?

Clock Challenge ships an update every 15 months, and Kindergarten Math every 2 weeks. Most recently, Clock Challenge was updated on November 1, 2026 and Kindergarten Math on October 30, 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.*