# AI先生　英検１級 vs 英検準1級単語　厳選1889

The clearest difference is in-app purchases: AI先生　英検１級 at none against 英検準1級単語　厳選1889's 1. 英検準1級単語　厳選1889's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. 英検準1級単語　厳選1889 sells 1 one-off in-app purchase. AI先生　英検１級 asks for nothing beyond the download.

## The numbers

| Metric | AI先生　英検１級 | 英検準1級単語　厳選1889 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Size | 4 MB | 15 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [reiko hori](https://appshunter.io/developer/1777370692) | [Yuya Takamoto](https://appshunter.io/developer/1881459297) |

## What reviewers say

### AI先生　英検１級

[App page](https://appshunter.io/ios/app/ai/id6738596387)

**In-app purchases:** none


### 英検準1級単語　厳選1889

[App page](https://appshunter.io/ios/app/1-1889/id6767237678)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 英検準1級単語 PRO | $4.99 | one-time |


## Frequently asked questions

### Is AI先生　英検１級 free?

AI先生　英検１級 is free to download, with no in-app purchases.

### Is 英検準1級単語　厳選1889 free?

英検準1級単語　厳選1889 is free to download, with in-app purchases available.

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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.*