# Read and Colour vs Mermaid Maths

The clearest difference is iOS requirement: Read and Colour at 12.0 against Mermaid Maths's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Read and Colour ships an update every 65 months, Mermaid Maths every 58 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Read and Colour | Mermaid Maths |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mermaid-maths/id1567468963/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 65 months | **Every 58 months** |
| Monetization | — | Free |
| Size | 42 MB | 39 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dolina Thomson](https://appshunter.io/developer/989648117) | [L&L Programming LLC](https://appshunter.io/developer/1289929597) |

## What reviewers say

### Read and Colour

[App page](https://appshunter.io/ios/app/read-and-colour/id990772175)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mermaid Maths

[App page](https://appshunter.io/ios/app/mermaid-maths/id1567468963)

This educational game helps children practice addition skills in a fun, underwater environment. Players earn treasure by solving math problems, which can then be used to customize their underwater world with new friends and backgrounds.

**Highlights:** Addition practice, Earn treasure rewards, Customize underwater scenes, Unlock new friends, Multiple backgrounds, Interactive gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Read and Colour free?

Read and Colour is free to download, with no in-app purchases.

### Is Mermaid Maths free?

Mermaid Maths is free to download, with no in-app purchases.

### Do Read and Colour or Mermaid Maths have ads?

Neither Read and Colour nor Mermaid Maths shows ads.

### Which is updated more often, Read and Colour or Mermaid Maths?

Read and Colour ships an update every 65 months, and Mermaid Maths every 58 months. Most recently, Read and Colour was updated on November 1, 2026 and Mermaid Maths on November 3, 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.*