# AnzanDojo vs シンプルFLASH暗算

The clearest difference is ads: AnzanDojo at none against シンプルFLASH暗算's shown. AnzanDojo also leads on iOS requirement (9.0 vs 15.6). 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.

AnzanDojo ships an update every 3 weeks, シンプルFLASH暗算 fortnightly. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | AnzanDojo | シンプルFLASH暗算 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 4 MB | 4 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZOOMO Inc.](https://appshunter.io/developer/490112424) | [TSUKASA YONAHA](https://appshunter.io/developer/1835823966) |

## What reviewers say

### AnzanDojo

[App page](https://appshunter.io/ios/app/anzandojo/id490112421)

**Features:** macOS Compatibility

**In-app purchases:** none


### シンプルFLASH暗算

[App page](https://appshunter.io/ios/app/flash/id6751562239)

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

**In-app purchases:** none


## Frequently asked questions

### Is AnzanDojo free?

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

### Is シンプルFLASH暗算 free?

シンプルFLASH暗算 is free to download, with no in-app purchases.

### Do AnzanDojo or シンプルFLASH暗算 have ads?

シンプルFLASH暗算 shows ads; AnzanDojo does not.

### Which is updated more often, AnzanDojo or シンプルFLASH暗算?

AnzanDojo ships an update every 3 weeks, and シンプルFLASH暗算 fortnightly. Most recently, AnzanDojo was updated on October 9, 2026 and シンプルFLASH暗算 on October 1, 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.*