# MathGrid 100 vs フラッシュ暗算+

The clearest difference is ads: フラッシュ暗算+ at none against MathGrid 100's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | MathGrid 100 | フラッシュ暗算+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Size | 40 MB | 20 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hiroyuki Ishikawa](https://appshunter.io/developer/1876490408) | [otsuki hayato](https://appshunter.io/developer/1828600192) |

## What reviewers say

### MathGrid 100

[App page](https://appshunter.io/ios/app/mathgrid-100/id6759038224)

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

**In-app purchases:** none


### フラッシュ暗算+

[App page](https://appshunter.io/ios/app/plus/id6767122915)

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

**In-app purchases:** none


## Frequently asked questions

### Is MathGrid 100 free?

MathGrid 100 is free to download, with no in-app purchases.

### Is フラッシュ暗算+ free?

フラッシュ暗算+ is free to download, with no in-app purchases.

### Do MathGrid 100 or フラッシュ暗算+ have ads?

MathGrid 100 shows ads; フラッシュ暗算+ does not.

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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.*