# Legacy App vs AirOS

The clearest difference is iOS requirement: Legacy App at 15.0 against AirOS's 17.0. On price, update cadence, ads 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.

Legacy App ships an update every 9 days, AirOS weekly. The most recent releases landed on November 11, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Legacy App | AirOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (108 ratings)](https://appshunter.io/ios/app/legacy-app-genio-notes/id1498045022/reviews)** | — |
| Number of ratings | **108** | — |
| Positive reviews | 25.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Free | — |
| Size | 144 MB | 53 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Sonocent Ltd](https://appshunter.io/developer/888823211) | [AirOS](https://appshunter.io/developer/6802418768) |

## What reviewers say

### Legacy App

[App page](https://appshunter.io/ios/app/legacy-app-genio-notes/id1498045022)

This app aids learning by allowing users to record lectures, take time-stamped notes, and transcribe audio. It helps refine important information and organize notes for effective study and knowledge retention.

**Highlights:** Record class audio, Add typed/handwritten notes, Import slides, Transcribe recordings, Summarize key information, Organize notes into collections, Sync with web app

**Features:** Vision Pro support

**In-app purchases:** none


### AirOS

[App page](https://appshunter.io/ios/app/airos/id6802418766)

**Features:** macOS Compatibility, Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Legacy App free?

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

### Is AirOS free?

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

### Do Legacy App or AirOS have ads?

Neither Legacy App nor AirOS shows ads.

### Which is updated more often, Legacy App or AirOS?

Legacy App ships an update every 9 days, and AirOS weekly. Most recently, Legacy App was updated on November 11, 2026 and AirOS on November 10, 2026.

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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.*