# LangNote AI vs Aoo

The clearest difference is in-app purchases: Aoo at none against LangNote AI's 2. Aoo also leads on device support (3 vs 1) and iOS requirement (15.5 vs 17.0). LangNote AI's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. LangNote AI sells 2 in-app purchases, starting at $10.00 per month. Aoo asks for nothing beyond the download.

## The numbers

| Metric | LangNote AI | Aoo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 days |
| Size | 91 MB | 126 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [JAEYEON JO](https://appshunter.io/developer/6775072371) | [BrainCheck](https://appshunter.io/developer/1509190491) |

## What reviewers say

### LangNote AI

[App page](https://appshunter.io/ios/app/langnote-ai/id6780124360)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LangNote Pro | $10.00 | per month |
| LangNote Pro (Yearly) | $96.00 | per year |


### Aoo

[App page](https://appshunter.io/ios/app/aoo-english-shadowing/id6818428415)

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

**In-app purchases:** none


## Frequently asked questions

### Is LangNote AI free?

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

### Is Aoo free?

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

### Do LangNote AI or Aoo have ads?

Aoo shows ads; LangNote AI does not.

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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.*