# Math Masters vs フラッシュ暗算DX

The clearest difference is review sentiment: Math Masters at 82% against フラッシュ暗算DX's 30%. Math Masters also leads on rating (4.0 vs 3.0) and ratings volume (12 vs 2). フラッシュ暗算DX's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 6 weeks). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Math Masters sells 1 one-off in-app purchase and フラッシュ暗算DX sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Math Masters holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: Math Masters has 12 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 82% of Math Masters's written reviews are positive against 30% of フラッシュ暗算DX's.

Math Masters ships an update every 6 weeks, フラッシュ暗算DX every 3 weeks. The most recent releases landed on September 28, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Math Masters | フラッシュ暗算DX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (12 ratings)](https://appshunter.io/ios/app/math-masters-arithmetic/id514919162/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/dx/id1058775775/reviews) |
| Number of ratings | **12** | 2 |
| Positive reviews | **81.8% of reviews** | 30.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 115 MB | 39 MB |
| Requires iOS | 11.0 | **7.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HARASHOW Interactive](https://appshunter.io/developer/356148278) | [Satoshi Negishi](https://appshunter.io/developer/704574251) |

## 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 |


### フラッシュ暗算DX

[App page](https://appshunter.io/ios/app/dx/id1058775775)

This app offers a comprehensive flash calculation experience with three distinct modes catering to all skill levels. It features multi-user support, customizable practice settings, and competitive modes with national rankings. Personalize your experience with various configuration options.

**Highlights:** Multi-user support (up to 10), Customizable practice mode, Graded certification mode (10th kyu to 10th dan), Competitive survival mode, National rankings, Configurable display and input settings

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告解除 | $1.99 | one-time |


## Frequently asked questions

### Is Math Masters free?

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

### Is フラッシュ暗算DX free?

フラッシュ暗算DX is free to download, with in-app purchases available.

### Which has better reviews, Math Masters or フラッシュ暗算DX?

Math Masters is rated higher. Math Masters averages 4.0 out of 5 from 12 ratings, while フラッシュ暗算DX averages 3.0 from 2 ratings.

### Do Math Masters or フラッシュ暗算DX have ads?

Math Masters shows ads; フラッシュ暗算DX does not.

### Which is updated more often, Math Masters or フラッシュ暗算DX?

Math Masters ships an update every 6 weeks, and フラッシュ暗算DX every 3 weeks. Most recently, Math Masters was updated on September 28, 2026 and フラッシュ暗算DX on October 7, 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.*