# Math Masters vs Keisan

The clearest difference is in-app purchases: Keisan at none against Math Masters's 1. Math Masters's advantage is device support and iOS requirement (11.0 vs 13.0). On price there is nothing between them.

Both are free to download. Math Masters sells 1 one-off in-app purchase. Keisan asks for nothing beyond the download.

## The numbers

| Metric | Math Masters | Keisan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (12 ratings)](https://appshunter.io/ios/app/math-masters-arithmetic/id514919162/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Every 6 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 115 MB | 86 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [HARASHOW Interactive](https://appshunter.io/developer/356148278) | [Takumi Seki](https://appshunter.io/developer/1546622179) |

## What reviewers say

### Math Masters

[App page](https://appshunter.io/ios/app/math-masters-arithmetic/id514919162)

Engage in math challenges with a ninja guide. Choose from three modes: solve equations to defeat enemies, construct formulas from given answers, or practice specific arithmetic skills.

**Highlights:** Solve equations to defeat enemies, Construct formulas from answers, Practice weak arithmetic points, Three distinct game modes, Ninja-themed learning

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Disable Ads | $3.99 | one-time |


### Keisan

[App page](https://appshunter.io/ios/app/keisan-hakusho/id6740030538)

**In-app purchases:** none


## Frequently asked questions

### Is Math Masters free?

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

### Is Keisan free?

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

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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.*