# AI先生　英検１級 vs AUTHENTECH byアルク シャドーイングアプリ

The clearest difference is device support: AUTHENTECH byアルク シャドーイングアプリ at 3 against AI先生　英検１級's —. AUTHENTECH byアルク シャドーイングアプリ also leads on iOS requirement (13.0 vs 17.6). 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 | AI先生　英検１級 | AUTHENTECH byアルク シャドーイングアプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 3 weeks |
| Size | 4 MB | 23 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [reiko hori](https://appshunter.io/developer/1777370692) | [ALC PRESS, INC.](https://appshunter.io/developer/311444037) |

## What reviewers say

### AI先生　英検１級

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

**In-app purchases:** none


### AUTHENTECH byアルク シャドーイングアプリ

[App page](https://appshunter.io/ios/app/authentech-by/id6755368350)

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

**In-app purchases:** none


## 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 AUTHENTECH byアルク シャドーイングアプリ free?

AUTHENTECH byアルク シャドーイングアプリ 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.*