# Math Masters for Kids vs Isla Tortuga

The clearest difference is price: Isla Tortuga at Free against Math Masters for Kids's $3.99. Isla Tortuga also leads on iOS requirement (9.0 vs 11.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Isla Tortuga is free to download; Math Masters for Kids costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Math Masters for Kids ships an update every 29 months, Isla Tortuga every 19 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Math Masters for Kids | Isla Tortuga |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 19 months** |
| Size | 111 MB | 105 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HARASHOW Interactive](https://appshunter.io/developer/356148278) | [Inoma](https://appshunter.io/developer/1209163763) |

## What reviewers say

### Math Masters for Kids

[App page](https://appshunter.io/ios/app/math-masters-for-kids/id698780408)

**Features:** macOS Compatibility

**In-app purchases:** none


### Isla Tortuga

[App page](https://appshunter.io/ios/app/isla-tortuga/id1210869909)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Math Masters for Kids free?

Math Masters for Kids costs $3.99, with no in-app purchases.

### Is Isla Tortuga free?

Isla Tortuga is free to download, with no in-app purchases.

### Do Math Masters for Kids or Isla Tortuga have ads?

Neither Math Masters for Kids nor Isla Tortuga shows ads.

### Which is updated more often, Math Masters for Kids or Isla Tortuga?

Math Masters for Kids ships an update every 29 months, and Isla Tortuga every 19 months. Most recently, Math Masters for Kids was updated on November 1, 2026 and Isla Tortuga 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.*