# LangTurbo vs Mental Math Kingdom

The clearest difference is in-app purchases: LangTurbo at none against Mental Math Kingdom's 1. Mental Math Kingdom's advantage is update cadence (daily vs every 3 days) and iOS requirement (17.0 vs 26.1). On price, ads and device support there is nothing between them.

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

LangTurbo ships an update every 3 days, Mental Math Kingdom daily. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | LangTurbo | Mental Math Kingdom |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | **Daily** |
| Size | 17 MB | 13 MB |
| Requires iOS | 26.1 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Pablo Nunez](https://appshunter.io/developer/878840016) | [Hiroki Sekimoto](https://appshunter.io/developer/1877884860) |

## What reviewers say

### LangTurbo

[App page](https://appshunter.io/ios/app/langturbo-learn-100-languages/id6756127477)

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

**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 LangTurbo free?

LangTurbo 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 LangTurbo or Mental Math Kingdom have ads?

Neither LangTurbo nor Mental Math Kingdom shows ads.

### Which is updated more often, LangTurbo or Mental Math Kingdom?

LangTurbo ships an update every 3 days, and Mental Math Kingdom daily. Most recently, LangTurbo was updated on October 23, 2026 and Mental Math Kingdom 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.*