# Abacus Practice vs Mental Math Kingdom

The clearest difference is in-app purchases: Abacus Practice at none against Mental Math Kingdom's 1. Abacus Practice also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Mental Math Kingdom sells 1 one-off in-app purchase. Abacus Practice asks for nothing beyond the download.

## The numbers

| Metric | Abacus Practice | Mental Math Kingdom |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Daily |
| Size | 24 MB | 13 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nikola Radoicic](https://appshunter.io/developer/1806746069) | [Hiroki Sekimoto](https://appshunter.io/developer/1877884860) |

## What reviewers say

### Abacus Practice

[App page](https://appshunter.io/ios/app/abacus-practice/id6744260586)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mental Math Kingdom

[App page](https://appshunter.io/ios/app/mental-math-kingdom/id6787438808)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mental Math Kingdom Pro | $3.99 | one-time |


## Frequently asked questions

### Is Abacus Practice free?

Abacus Practice is free to download, with no in-app purchases.

### Is Mental Math Kingdom free?

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

### Do Abacus Practice or Mental Math Kingdom have ads?

Neither Abacus Practice nor Mental Math Kingdom shows ads.

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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.*