# RealVNC Viewer vs Duet Display

The clearest difference is in-app purchases: RealVNC Viewer at none against Duet Display's 6. RealVNC Viewer also leads on ads (none vs shown) and review sentiment (72% vs 46%). Duet Display's advantage is update cadence (every 3 weeks vs every 2 months) and ratings volume (49K vs 15K). On price and device support there is nothing between them.

Both are free to download. Duet Display sells 6 in-app purchases, starting at $3.99 per month. RealVNC Viewer asks for nothing beyond the download.

RealVNC Viewer holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 15K and 49K respectively. Written reviews point the same way: 72% of RealVNC Viewer's written reviews are positive against 46% of Duet Display's.

RealVNC Viewer ships an update every 2 months, Duet Display every 3 weeks. Both last shipped on September 26, 2026.

## The numbers

| Metric | RealVNC Viewer | Duet Display |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (15K ratings)](https://appshunter.io/ios/app/realvnc-viewer-remote-desktop/id352019548/reviews)** | [4.4 (49K ratings)](https://appshunter.io/ios/app/duet-display/id935754064/reviews) |
| Number of ratings | 15K | **49K** |
| Positive reviews | **72.4% of reviews** | 45.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 69 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [RealVNC Limited](https://appshunter.io/developer/352019552) | [Duet, Inc.](https://appshunter.io/developer/935754063) |

## What reviewers say

### RealVNC Viewer

[App page](https://appshunter.io/ios/app/realvnc-viewer-remote-desktop/id352019548)

Access and control your Mac, Windows, or Linux computers remotely from any device. View your desktop, use your keyboard and mouse, and manage files securely with end-to-end encryption. Sync connections across all your devices for seamless access.

**Highlights:** Instant remote access to computers, Control mouse and keyboard remotely, End-to-end session encryption, Cloud service for easy connection, Backup and sync connections, Virtual keyboard with advanced keys, Bluetooth keyboard support

**In-app purchases:** none

**What reviewers like**

- 🚀 Smooth and responsive
- 🔒 Secure remote access
- 👍 Intuitive user interface
- 💡 Useful for remote work and support
- 🚀 Fast and reliable connection

**What reviewers complain about**

- 🐛 Crashes and connection issues
- 🔒 Concerns about privacy and data harvesting
- 💰 Paid subscription required for full functionality
- 🔍 Lack of mouse/trackpad support
- 🔍 Inconsistent performance on different devices

**Reported bugs**

- Cursor and screen synchronization issues
- Incompatibility with certain macOS and iOS versions
- Frequent disconnections and login problems
- Keyboard input not working as expected

**Requested features**

- Add support for audio streaming
- Improve clipboard and file transfer functionality
- Provide better multi-monitor support
- Allow customization of keyboard and mouse controls
- Implement a true touch-based interface


### Duet Display

[App page](https://appshunter.io/ios/app/duet-display/id935754064)

Transform your iPad or iPhone into an advanced, lag-free extra display for your Mac or PC. Interact with your computer using touch and gestures, and unlock professional drawing capabilities with Apple Pencil support.

**Highlights:** Extra display for Mac & PC, Lag-free performance, Touch and gesture support, Apple Pencil integration, Professional drawing tools, Portable productivity

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Duet Starter (Monthly) | $3.99 | per month |
| Duet Air (Monthly) | $5.99 | per month |
| Duet Pro | $7.99 | per month |
| Duet Starter (Annual) | $39.99 | per year |
| Duet Air (Annual) | $49.99 | per year |
| Duet Pro (Annual) | $79.99 | per year |

**What reviewers like**

- 🚀 Works seamlessly as a second screen
- 👍 Useful for productivity and multitasking
- 🎨 Great for artists and designers
- 💻 Extends desktop to iPad
- ⭐ Excellent customer support

**What reviewers complain about**

- 🐛 Connectivity issues and crashes
- 🔋 High battery consumption
- 🔒 Subscription model for full functionality
- 🔍 Confusing setup process
- 💸 Expensive for the features provided

**Reported bugs**

- Incompatibility with certain software and drivers
- Laggy performance and input delays
- Unreliable connection and frequent disconnects

**Requested features**

- Improved resolution and scaling options
- Better support for older devices and Windows
- More customization and control over settings
- Wireless connectivity without subscription


## Frequently asked questions

### Is RealVNC Viewer free?

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

### Is Duet Display free?

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

### Which has better reviews, RealVNC Viewer or Duet Display?

RealVNC Viewer is rated higher. RealVNC Viewer averages 4.8 out of 5 from 15K ratings, while Duet Display averages 4.4 from 49K ratings.

### Do RealVNC Viewer or Duet Display have ads?

Duet Display shows ads; RealVNC Viewer does not.

### Which is updated more often, RealVNC Viewer or Duet Display?

RealVNC Viewer ships an update every 2 months, and Duet Display every 3 weeks. Most recently, RealVNC Viewer was updated on September 26, 2026 and Duet Display on September 26, 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.*