# Lexico Cognitie vs Math Bus

The clearest difference is price: Lexico Cognitie at Free against Math Bus's $0.99. Math Bus's advantage is in-app purchases (none vs 1) and update cadence (every 4 months vs every 8 months). On ads and iOS requirement there is nothing between them.

Lexico Cognitie is free to download; Math Bus costs $0.99 up front. Lexico Cognitie sells 1 one-off in-app purchase. Math Bus asks for nothing beyond the download.

Lexico Cognitie ships an update every 8 months, Math Bus every 4 months. The most recent releases landed on September 14, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Lexico Cognitie | Math Bus |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Size | 111 MB | 18 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pappy GmbH](https://appshunter.io/developer/461368271) | [Henk Jurriens](https://appshunter.io/developer/524160208) |

## What reviewers say

### Lexico Cognitie

[App page](https://appshunter.io/ios/app/lexico-cognitie/id637542260)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| unlock all levels of Lexico-Cognition | $24.99 | one-time |


### Math Bus

[App page](https://appshunter.io/ios/app/math-bus/id716831058)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lexico Cognitie free?

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

### Is Math Bus free?

Math Bus costs $0.99, with no in-app purchases.

### Do Lexico Cognitie or Math Bus have ads?

Neither Lexico Cognitie nor Math Bus shows ads.

### Which is updated more often, Lexico Cognitie or Math Bus?

Lexico Cognitie ships an update every 8 months, and Math Bus every 4 months. Most recently, Lexico Cognitie was updated on September 14, 2026 and Math Bus on September 9, 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.*