# もしゆれ vs シンプルFLASH暗算

The clearest difference is ads: もしゆれ at none against シンプルFLASH暗算's shown. もしゆれ also leads on iOS requirement (9.0 vs 15.6). シンプルFLASH暗算's advantage is update cadence (fortnightly vs every 14 months). On price, 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.

もしゆれ ships an update every 14 months, シンプルFLASH暗算 fortnightly. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | もしゆれ | シンプルFLASH暗算 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Fortnightly** |
| Size | 109 MB | 4 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [National Research Institute for Earth Science and Disaster Prevention](https://appshunter.io/developer/427125457) | [TSUKASA YONAHA](https://appshunter.io/developer/1835823966) |

## What reviewers say

### もしゆれ

[App page](https://appshunter.io/ios/app/id523545683)

**Features:** Vision Pro support

**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 もしゆれ free?

もしゆれ 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 もしゆれ or シンプルFLASH暗算 have ads?

シンプルFLASH暗算 shows ads; もしゆれ does not.

### Which is updated more often, もしゆれ or シンプルFLASH暗算?

もしゆれ ships an update every 14 months, and シンプルFLASH暗算 fortnightly. Most recently, もしゆれ was updated on November 1, 2026 and シンプルFLASH暗算 on October 30, 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.*