# Math Ninjas vs Sentopoly

The clearest difference is update cadence: Sentopoly at every 3 days against Math Ninjas's every 7 months. Math Ninjas's advantage is iOS requirement (13.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Math Ninjas sells 1 one-off in-app purchase and Sentopoly sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Math Ninjas ships an update every 7 months, Sentopoly every 3 days. The most recent releases landed on November 8, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Math Ninjas | Sentopoly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (6 ratings)](https://appshunter.io/ios/app/math-ninjas/id895508928/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 63.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 198 MB | 104 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HARASHOW Interactive](https://appshunter.io/developer/356148278) | [Ian Jukes](https://appshunter.io/developer/6802957338) |

## What reviewers say

### Math Ninjas

[App page](https://appshunter.io/ios/app/math-ninjas/id895508928)

This educational game uses a ninja theme to make learning mathematics fun for children on iPhone and iPad. Kids can engage with math concepts through interactive gameplay.

**Highlights:** Game-based learning, Mathematics education, Ninja theme, Interactive gameplay, iOS compatible

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $3.99 | one-time |


### Sentopoly

[App page](https://appshunter.io/ios/app/sentopoly/id6818927873)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sentopoly Pro, monthly | $4.99 | per month |
| Sentopoly Pro, yearly | $29.99 | per year |


## Frequently asked questions

### Is Math Ninjas free?

Math Ninjas is free to download, with in-app purchases available.

### Is Sentopoly free?

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

### Do Math Ninjas or Sentopoly have ads?

Neither Math Ninjas nor Sentopoly shows ads.

### Which is updated more often, Math Ninjas or Sentopoly?

Math Ninjas ships an update every 7 months, and Sentopoly every 3 days. Most recently, Math Ninjas was updated on November 8, 2026 and Sentopoly on November 6, 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.*