# Divio vs 脳内そろばん

The clearest difference is in-app purchases: Divio at none against 脳内そろばん's 1. Divio also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price and ads there is nothing between them.

Both are free to download. 脳内そろばん sells 1 one-off in-app purchase. Divio asks for nothing beyond the download.

## The numbers

| Metric | Divio | 脳内そろばん |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Monthly |
| Size | 50 MB | 5 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yu Takahashi](https://appshunter.io/developer/1896313229) | [Ryo Sato](https://appshunter.io/developer/1831657696) |

## What reviewers say

### Divio

[App page](https://appshunter.io/ios/app/divio/id6767159337)

**Features:** macOS Compatibility

**In-app purchases:** none


### 脳内そろばん

[App page](https://appshunter.io/ios/app/id6790279857)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム | $3.99 | one-time |


## Frequently asked questions

### Is Divio free?

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

### Is 脳内そろばん free?

脳内そろばん is free to download, with in-app purchases available.

### Do Divio or 脳内そろばん have ads?

Neither Divio nor 脳内そろばん shows ads.

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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.*