# Flash vs Anzan+

The clearest difference is ads: Flash at none against Anzan+'s shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Flash ships an update every 4 months, Anzan+ every 5 months. The most recent releases landed on September 18, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Flash | Anzan+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 5 months |
| Size | 16 MB | 3 MB |
| Requires iOS | 17.0 | **16.2** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [yeeun seo](https://appshunter.io/developer/1634215603) | [Erika Fujita](https://appshunter.io/developer/1554660176) |

## What reviewers say

### Flash

[App page](https://appshunter.io/ios/app/flash-mental-math/id1634215601)

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

**In-app purchases:** none


### Anzan+

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flash free?

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

### Is Anzan+ free?

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

### Do Flash or Anzan+ have ads?

Anzan+ shows ads; Flash does not.

### Which is updated more often, Flash or Anzan+?

Flash ships an update every 4 months, and Anzan+ every 5 months. Most recently, Flash was updated on September 18, 2026 and Anzan+ on September 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.*