# Flash Mental Math (Anzan) vs Soroban

The clearest difference is in-app purchases: Soroban at none against Flash Mental Math (Anzan)'s 1. Soroban also leads on ads (none vs shown). Flash Mental Math (Anzan)'s advantage is iOS requirement (15.0 vs 26.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Flash Mental Math (Anzan) sells 1 in-app purchase, starting at $0.99 per month. Soroban asks for nothing beyond the download.

Flash Mental Math (Anzan) ships an update every 10 days, Soroban every 2 weeks. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Flash Mental Math (Anzan) | Soroban |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/flash-mental-math-anzan/id6749636736/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 54 MB | 17 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SIC Company Limited](https://appshunter.io/developer/1800842356) | [Shweta Kumari](https://appshunter.io/developer/1894430929) |

## What reviewers say

### 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 |


### Soroban

[App page](https://appshunter.io/ios/app/soroban-mental-math-abacus/id6762503522)

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

**In-app purchases:** none


## Frequently asked questions

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

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

### Is Soroban free?

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

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

Flash Mental Math (Anzan) shows ads; Soroban does not.

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

Flash Mental Math (Anzan) ships an update every 10 days, and Soroban every 2 weeks. Most recently, Flash Mental Math (Anzan) was updated on October 31, 2026 and Soroban on October 28, 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.*