# Lexico Cognitie vs Fish math assignments

The clearest difference is in-app purchases: Fish math assignments at none against Lexico Cognitie's 1. Fish math assignments also leads on device support (3 vs 1) and iOS requirement (9.0 vs 15.0). Lexico Cognitie's advantage is ads (none vs shown) and update cadence (every 7 months vs every 20 months). On price there is nothing between them.

Both are free to download. Lexico Cognitie sells 1 one-off in-app purchase. Fish math assignments asks for nothing beyond the download.

Lexico Cognitie ships an update every 7 months, Fish math assignments every 20 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Lexico Cognitie | Fish math assignments |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 7 months** | Every 20 months |
| Size | 111 MB | 20 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pappy GmbH](https://appshunter.io/developer/461368271) | [Dennis van Duin](https://appshunter.io/developer/1141733010) |

## What reviewers say

### Lexico Cognitie

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

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

**In-app purchases (1)**

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


### Fish math assignments

[App page](https://appshunter.io/ios/app/fish-math-assignments/id1186930492)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Lexico Cognitie free?

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

### Is Fish math assignments free?

Fish math assignments is free to download, with no in-app purchases.

### Do Lexico Cognitie or Fish math assignments have ads?

Fish math assignments shows ads; Lexico Cognitie does not.

### Which is updated more often, Lexico Cognitie or Fish math assignments?

Lexico Cognitie ships an update every 7 months, and Fish math assignments every 20 months. Most recently, Lexico Cognitie was updated on November 6, 2026 and Fish math assignments on November 2, 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.*