# EHangOS vs RetroOne

The clearest difference is in-app purchases: EHangOS at none against RetroOne's 3. EHangOS also leads on ads (none vs shown). RetroOne's advantage is iOS requirement (15.5 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. RetroOne sells 3 in-app purchases, starting at $4.99 per month. EHangOS asks for nothing beyond the download.

EHangOS ships an update every 2 weeks, RetroOne fortnightly. Both last shipped on October 31, 2026.

## The numbers

| Metric | EHangOS | RetroOne |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/retroone-gba-emulator/id6807632417/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 66 MB | 179 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Ehang, Inc.](https://appshunter.io/developer/942404339) | [Nguyen Dinh Gioi](https://appshunter.io/developer/1673627955) |

## What reviewers say

### EHangOS

[App page](https://appshunter.io/ios/app/ehangos/id6795453535)

**Features:** Vision Pro support

**In-app purchases:** none


### RetroOne

[App page](https://appshunter.io/ios/app/retroone-gba-emulator/id6807632417)

This app allows you to play your legally owned retro game collection on your iPhone and iPad. It supports multiple classic gaming systems and offers features like a beautiful library, customizable themes, and multiplayer options.

**Highlights:** Supports 8 classic gaming systems, Import and organize game collection, Customizable themes, Portrait and landscape orientation, Play on big screen, Multiplayer with 'Use as Controller', Save and continue progress

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RetroOne Plus Monthly | $4.99 | per month |
| RetroOne Plus Yearly | $44.99 | per year |
| RetroOne Plus Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is EHangOS free?

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

### Is RetroOne free?

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

### Do EHangOS or RetroOne have ads?

RetroOne shows ads; EHangOS does not.

### Which is updated more often, EHangOS or RetroOne?

EHangOS ships an update every 2 weeks, and RetroOne fortnightly. Most recently, EHangOS was updated on October 31, 2026 and RetroOne on October 31, 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.*