# Add and subtract within 20 vs Math Learning for Children

The clearest difference is price: Math Learning for Children at Free against Add and subtract within 20's $2.99. Math Learning for Children also leads on update cadence (monthly vs every 36 months). Add and subtract within 20's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 14.0). On ads and device support there is nothing between them.

Math Learning for Children is free to download; Add and subtract within 20 costs $2.99 up front. Math Learning for Children sells 1 one-off in-app purchase. Add and subtract within 20 asks for nothing beyond the download.

Add and subtract within 20 ships an update every 36 months, Math Learning for Children monthly. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Add and subtract within 20 | Math Learning for Children |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 36 months | **Monthly** |
| Monetization | Paid | — |
| Size | 18 MB | 183 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sergey Malugin](https://appshunter.io/developer/562782409) | [Anpaco](https://appshunter.io/developer/1766154505) |

## What reviewers say

### Add and subtract within 20

[App page](https://appshunter.io/ios/app/add-and-subtract-within-20/id757149544)

This app transforms math practice into an exciting adventure for children. It uses interactive mini-games and handwriting recognition to make learning addition and subtraction within 20 fun and effective. The difficulty adapts to your child's progress for a personalized experience.

**Highlights:** Interactive mini-games, Handwriting recognition, Adaptive difficulty, Targeted addition/subtraction practice, Natural learning input

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Learning for Children

[App page](https://appshunter.io/ios/app/math-learning-for-children/id6737409371)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MathCreatures full version | $5.99 | one-time |


## Frequently asked questions

### Is Add and subtract within 20 free?

Add and subtract within 20 costs $2.99, with no in-app purchases.

### Is Math Learning for Children free?

Math Learning for Children is free to download, with in-app purchases available.

### Do Add and subtract within 20 or Math Learning for Children have ads?

Neither Add and subtract within 20 nor Math Learning for Children shows ads.

### Which is updated more often, Add and subtract within 20 or Math Learning for Children?

Add and subtract within 20 ships an update every 36 months, and Math Learning for Children monthly. Most recently, Add and subtract within 20 was updated on October 31, 2026 and Math Learning for Children on October 25, 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.*