# アイデアの種 vs Understudy

The clearest difference is in-app purchases: アイデアの種 at none against Understudy's 3. アイデアの種 also leads on iOS requirement (9.0 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. Understudy sells 3 one-off in-app purchases. アイデアの種 asks for nothing beyond the download.

## The numbers

| Metric | アイデアの種 | Understudy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Monthly |
| Size | 55 MB | 42 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [riku miyamoto](https://appshunter.io/developer/1527433251) | [Shingo Otsuhata](https://appshunter.io/developer/1871224706) |

## What reviewers say

### アイデアの種

[App page](https://appshunter.io/ios/app/id1616175114)

**Features:** macOS Compatibility

**In-app purchases:** none


### Understudy

[App page](https://appshunter.io/ios/app/understudy-learn-your-lines/id6758158317)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $0.99 | one-time |
| Add a donut | $1.99 | one-time |
| Add a sandwich | $3.99 | one-time |


## Frequently asked questions

### Is アイデアの種 free?

アイデアの種 is free to download, with no in-app purchases.

### Is Understudy free?

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

### Do アイデアの種 or Understudy have ads?

Neither アイデアの種 nor Understudy 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.*