# Soroban Training vs Flash Mental Math (Anzan)

The clearest difference is rating: Flash Mental Math (Anzan) at 5.0 against Soroban Training's 4.7. Flash Mental Math (Anzan) also leads on review sentiment (100% vs 80%) and iOS requirement (15.0 vs 18.0). Soroban Training's advantage is ratings volume (180 vs 3). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Soroban Training sells 1 one-off in-app purchase 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 4.7. That said, the two scores are not equally well evidenced: Soroban Training has 180 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 80% of Soroban Training's written reviews are positive against 100% of Flash Mental Math (Anzan)'s.

Soroban Training ships an update every 2 weeks, Flash Mental Math (Anzan) every 10 days. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Soroban Training | Flash Mental Math (Anzan) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (180 ratings)](https://appshunter.io/ios/app/soroban-training/id1519658576/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/flash-mental-math-anzan/id6749636736/reviews)** |
| Number of ratings | **180** | 3 |
| Positive reviews | 80.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 8 MB | 54 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jumpei Adachi](https://appshunter.io/developer/1516414955) | [SIC Company Limited](https://appshunter.io/developer/1800842356) |

## What reviewers say

### Soroban Training

[App page](https://appshunter.io/ios/app/soroban-training/id1519658576)

Learn and practice abacus skills directly on your touchscreen. Generate custom problems to hone your abacus techniques, even with a physical abacus.

**Highlights:** Touchscreen abacus simulation, Custom problem generation, Practice with physical abacus, Abacus learning tool

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | 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 Soroban Training free?

Soroban Training 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, Soroban Training or Flash Mental Math (Anzan)?

Flash Mental Math (Anzan) is rated higher. Soroban Training averages 4.7 out of 5 from 180 ratings, while Flash Mental Math (Anzan) averages 5.0 from 3 ratings.

### Do Soroban Training or Flash Mental Math (Anzan) have ads?

Both Soroban Training and Flash Mental Math (Anzan) show ads.

### Which is updated more often, Soroban Training or Flash Mental Math (Anzan)?

Soroban Training ships an update every 2 weeks, and Flash Mental Math (Anzan) every 10 days. Most recently, Soroban Training was updated on October 29, 2026 and Flash Mental Math (Anzan) on October 31, 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.*