# Duet Air vs eXternalTouchDisplay

The clearest difference is ads: eXternalTouchDisplay at none against Duet Air's shown. Duet Air's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Duet Air sells 2 in-app purchases, starting at $49.99 per year and eXternalTouchDisplay sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Duet Air ships an update every 3 weeks, eXternalTouchDisplay monthly. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Duet Air | eXternalTouchDisplay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (1.9K ratings)](https://appshunter.io/ios/app/duet-air-remote-desktop/id1531326998/reviews)** | — |
| Number of ratings | **1.9K** | — |
| Positive reviews | 23.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Subscription | — |
| Size | 67 MB | 38 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Duet, Inc.](https://appshunter.io/developer/935754063) | [HAMSTER WORKS](https://appshunter.io/developer/1888789772) |

## What reviewers say

### Duet Air

[App page](https://appshunter.io/ios/app/duet-air-remote-desktop/id1531326998)

Transform your iPad or iPhone into an advanced remote desktop or an extra display for your Mac or PC. Experience unparalleled performance and zero lag, with touch and gesture support. Offers professional-grade drawing capabilities with Apple Pencil integration for artists and designers.

**Highlights:** Remote desktop functionality, Extra display for Mac/PC, Touch and gesture support, Apple Pencil integration for drawing, Wireless and wired connectivity, Zero lag performance

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Duet Air (Annual) | $49.99 | per year |
| Duet Pro (Annual) | $79.99 | per year |

**What reviewers like**

- 🚀 Smooth performance
- 👍 Easy to set up
- 💡 Useful as a second screen
- 🚀 Zero lag
- 👍 Fantastic app

**What reviewers complain about**

- 🐛 Inconsistent connectivity
- 🐛 Buggy and unstable
- 💰 Expensive subscription
- 🐛 Laggy and low resolution
- 🐛 Crashes and freezes

**Reported bugs**

- Incompatible with Citrix
- Breaks Windows network
- Bricked user's PC
- Login screen issues
- Inconsistent performance

**Requested features**

- Support for older devices
- Improve wireless stability
- Add audio support
- Better integration with drawing apps
- Easier subscription cancellation


### eXternalTouchDisplay

[App page](https://appshunter.io/ios/app/externaltouchdisplay/id6797036303)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $1.99 | per month |
| Outright  Purchase | $19.99 | one-time |


## Frequently asked questions

### Is Duet Air free?

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

### Is eXternalTouchDisplay free?

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

### Do Duet Air or eXternalTouchDisplay have ads?

Duet Air shows ads; eXternalTouchDisplay does not.

### Which is updated more often, Duet Air or eXternalTouchDisplay?

Duet Air ships an update every 3 weeks, and eXternalTouchDisplay monthly. Most recently, Duet Air was updated on November 3, 2026 and eXternalTouchDisplay on November 6, 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.*