# Mental Math GP vs Reelang

The clearest difference is in-app purchases: Mental Math GP at none against Reelang's 3. Mental Math GP also leads on iOS requirement (7.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Reelang sells 3 in-app purchases, starting at $9.99 per month. Mental Math GP asks for nothing beyond the download.

Mental Math GP ships an update every 2 weeks, Reelang every 3 weeks. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Mental Math GP | Reelang |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/mental-math-gp/id952185676/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | — |
| Size | 13 MB | 53 MB |
| Requires iOS | **7.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [CAI MEDIA CO.,LTD.](https://appshunter.io/developer/343272071) | [Tojoa LLC](https://appshunter.io/developer/6789118206) |

## What reviewers say

### Mental Math GP

[App page](https://appshunter.io/ios/app/mental-math-gp/id952185676)

Engage in a fast-paced mental math competition. Solve arithmetic problems quickly to improve your calculation speed and challenge players globally. Suitable for all ages, from children to adults.

**Highlights:** Solve math problems quickly, Soroban calculation style, Compete with global players, Four difficulty levels, Suitable for all ages

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

**In-app purchases:** none


### Reelang

[App page](https://appshunter.io/ios/app/reelang-learn-dutch/id6811174829)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reelang+ Monthly | $9.99 | per month |
| Reelang+ 3 Months | $21.99 | per 3 months |
| Reelang+ Annual | $79.99 | per year |


## Frequently asked questions

### Is Mental Math GP free?

Mental Math GP is free to download, with no in-app purchases.

### Is Reelang free?

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

### Do Mental Math GP or Reelang have ads?

Neither Mental Math GP nor Reelang shows ads.

### Which is updated more often, Mental Math GP or Reelang?

Mental Math GP ships an update every 2 weeks, and Reelang every 3 weeks. Most recently, Mental Math GP was updated on November 1, 2026 and Reelang on November 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.*