# Speed Math Drill vs フラッシュ暗算+

The clearest difference is in-app purchases: フラッシュ暗算+ at none against Speed Math Drill's 1. フラッシュ暗算+ also leads on ads (none vs shown). Speed Math Drill's advantage is iOS requirement (13.0 vs 16.0). On price and device support there is nothing between them.

Both are free to download. Speed Math Drill sells 1 one-off in-app purchase. フラッシュ暗算+ asks for nothing beyond the download.

## The numbers

| Metric | Speed Math Drill | フラッシュ暗算+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | — |
| Size | 38 MB | 20 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MASAKI CHIBA](https://appshunter.io/developer/1890488277) | [otsuki hayato](https://appshunter.io/developer/1828600192) |

## What reviewers say

### Speed Math Drill

[App page](https://appshunter.io/ios/app/speed-math-drill-mental-math/id6761619388)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Unlock | $1.99 | one-time |


### 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 Speed Math Drill free?

Speed Math Drill is free to download, with in-app purchases available.

### 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 Speed Math Drill or フラッシュ暗算+ have ads?

Speed Math Drill 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.*