# Anzan+ vs Flash Mental Math (Anzan)

The clearest difference is in-app purchases: Anzan+ at none against Flash Mental Math (Anzan)'s 1. Flash Mental Math (Anzan)'s advantage is update cadence (weekly vs every 5 months). On price, ads, device support and iOS requirement 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. Anzan+ asks for nothing beyond the download.

Anzan+ ships an update every 5 months, Flash Mental Math (Anzan) weekly. The most recent releases landed on September 11, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Anzan+ | Flash Mental Math (Anzan) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/flash-mental-math-anzan/id6749636736/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 51 MB |
| Requires iOS | 16.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Erika Fujita](https://appshunter.io/developer/1554660176) | [SIC Company Limited](https://appshunter.io/developer/1800842356) |

## What reviewers say

### Anzan+

[App page](https://appshunter.io/ios/app/anzan-plus/id6480097764)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Anzan+ free?

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

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

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

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

Both Anzan+ and Flash Mental Math (Anzan) show ads.

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

Anzan+ ships an update every 5 months, and Flash Mental Math (Anzan) weekly. Most recently, Anzan+ was updated on September 11, 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.*