# MoDoSolfa vs KeyJaan!

The clearest difference is in-app purchases: MoDoSolfa at none against KeyJaan!'s 1. KeyJaan!'s advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. KeyJaan! sells 1 one-off in-app purchase. MoDoSolfa asks for nothing beyond the download.

## The numbers

| Metric | MoDoSolfa | KeyJaan! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 30 MB | 90 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Hidenori Ishiii](https://appshunter.io/developer/1440959870) | [Mamiko Tsukamoto](https://appshunter.io/developer/1837855636) |

## What reviewers say

### MoDoSolfa

[App page](https://appshunter.io/ios/app/modosolfa/id6749871031)

**Features:** macOS Compatibility

**In-app purchases:** none


### KeyJaan!

[App page](https://appshunter.io/ios/app/keyjaan/id6789836028)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KeyJaan Pro | $9.99 | one-time |


## Frequently asked questions

### Is MoDoSolfa free?

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

### Is KeyJaan! free?

KeyJaan! is free to download, with in-app purchases available.

### Do MoDoSolfa or KeyJaan! have ads?

Neither MoDoSolfa nor KeyJaan! 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.*