# Mental Math Speed Trainer vs Flash Mental Math (Anzan)

The clearest difference is rating: Flash Mental Math (Anzan) at 5.0 against Mental Math Speed Trainer's 4.3. Flash Mental Math (Anzan) also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.2). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Mental Math Speed Trainer sells 3 in-app purchases, starting at $2.99 per month and Flash Mental Math (Anzan) sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Flash Mental Math (Anzan) holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 4 and 3 respectively.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 22, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Mental Math Speed Trainer | Flash Mental Math (Anzan) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (4 ratings)](https://appshunter.io/ios/app/mental-math-speed-trainer/id6476421167/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/flash-mental-math-anzan/id6749636736/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 17.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 56 MB | 51 MB |
| Requires iOS | 17.2 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TAKAYUKI HASHIMOTO](https://appshunter.io/developer/1689527181) | [SIC Company Limited](https://appshunter.io/developer/1800842356) |

## What reviewers say

### Mental Math Speed Trainer

[App page](https://appshunter.io/ios/app/mental-math-speed-trainer/id6476421167)

Sharpen your mental math skills with this engaging app focused on addition. Customize card numbers and timing intervals for a personalized learning experience. Track your progress with visually stimulating graphics, suitable for all ages.

**Highlights:** Customizable card numbers, Adjustable timing intervals, Focus on addition, Progress tracking, Engaging visuals, User-friendly interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月間プラン | $2.99 | per month |
| 年間プラン | $19.99 | per year |
| Lifetime Premium | $39.99 | one-time |


### Flash Mental Math (Anzan)

[App page](https://appshunter.io/ios/app/flash-mental-math-anzan/id6749636736)

This app helps users of all ages improve their mental math and calculation speed. Numbers flash on screen briefly, training quick thinking and concentration. It's ideal for children preparing for abacus certification, students needing math test prep, or adults seeking brain training.

**Highlights:** Flash number display for quick thinking, Adjustable difficulty levels, Global and classroom rankings, No account registration required, Supports multiple languages, Intuitive interface for children

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |


## Frequently asked questions

### Is Mental Math Speed Trainer free?

Mental Math Speed Trainer is free to download, with in-app purchases available.

### Is Flash Mental Math (Anzan) free?

Flash Mental Math (Anzan) is free to download, with in-app purchases available.

### Which has better reviews, Mental Math Speed Trainer or Flash Mental Math (Anzan)?

Flash Mental Math (Anzan) is rated higher. Mental Math Speed Trainer averages 4.3 out of 5 from 4 ratings, while Flash Mental Math (Anzan) averages 5.0 from 3 ratings.

### Do Mental Math Speed Trainer or Flash Mental Math (Anzan) have ads?

Both Mental Math Speed Trainer and Flash Mental Math (Anzan) show ads.

### Which is updated more often, Mental Math Speed Trainer or Flash Mental Math (Anzan)?

Mental Math Speed Trainer ships an update weekly, and Flash Mental Math (Anzan) weekly. Most recently, Mental Math Speed Trainer was updated on September 22, 2026 and Flash Mental Math (Anzan) on September 5, 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.*