# そろばん問題集 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 そろばん問題集's 1. フラッシュ暗算+ also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. そろばん問題集 sells 1 in-app purchase, starting at $1.99 per month. フラッシュ暗算+ asks for nothing beyond the download.

## The numbers

| Metric | そろばん問題集 | フラッシュ暗算+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/id1527023159/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | — |
| Size | 6 MB | 20 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [takeshi inoue](https://appshunter.io/developer/1452042026) | [otsuki hayato](https://appshunter.io/developer/1828600192) |

## What reviewers say

### そろばん問題集

[App page](https://appshunter.io/ios/app/id1527023159)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $1.99 | per month |


### 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 そろばん問題集 free?

そろばん問題集 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 そろばん問題集 or フラッシュ暗算+ have ads?

そろばん問題集 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.*