# 膝日記 vs CAST

The clearest difference is device support: CAST at 2 against 膝日記's —. 膝日記's advantage is iOS requirement (10.0 vs 13.0). On price and in-app purchases 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 | 膝日記 | CAST |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 6 months |
| Size | 69 MB | 1 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [順天堂大学](https://appshunter.io/developer/1080910962) | [Masaya Fukushima](https://appshunter.io/developer/1601597939) |

## What reviewers say

### 膝日記

[App page](https://appshunter.io/ios/app/id1603760244)

**In-app purchases:** none


### CAST

[App page](https://appshunter.io/ios/app/cast-r/id1604028507)

**In-app purchases:** none


## Frequently asked questions

### Is 膝日記 free?

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

### Is CAST free?

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

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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.*