# 英語deガイド vs AI CogniSphere

The clearest difference is in-app purchases: 英語deガイド at none against AI CogniSphere's 1. 英語deガイド also leads on device support and iOS requirement (15.0 vs 18.6). On price there is nothing between them.

Both are free to download. AI CogniSphere sells 1 in-app purchase, starting at $3.99 per month. 英語deガイド asks for nothing beyond the download.

## The numbers

| Metric | 英語deガイド | AI CogniSphere |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | — |
| Update frequency | Every 2 months | — |
| Size | 23 MB | 11 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Koyu Tachihara](https://appshunter.io/developer/1604149183) | [YiAn Hsueh](https://appshunter.io/developer/1825079989) |

## What reviewers say

### 英語deガイド

[App page](https://appshunter.io/ios/app/de/id1626072964)

**In-app purchases:** none


### AI CogniSphere

[App page](https://appshunter.io/ios/app/ai-cognisphere/id6760450042)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CogniSphere Pro Monthly | $3.99 | per month |


## Frequently asked questions

### Is 英語deガイド free?

英語deガイド is free to download, with no in-app purchases.

### Is AI CogniSphere free?

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

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*