# Duet Display vs ChatterBox Pro

The clearest difference is price: Duet Display at Free against ChatterBox Pro's $4.99. Duet Display also leads on ratings volume (49K vs 1) and device support (4 vs 2). ChatterBox Pro's advantage is rating (5.0 vs 4.4) and in-app purchases (none vs 6).

Duet Display is free to download; ChatterBox Pro costs $4.99 up front. Duet Display sells 6 in-app purchases, starting at $3.99 per month. ChatterBox Pro asks for nothing beyond the download.

ChatterBox Pro holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Duet Display has 49K ratings behind it against 1, so its average is the more settled of the two.

Duet Display ships an update every 3 weeks, ChatterBox Pro every 5 days. The most recent releases landed on October 17, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Duet Display | ChatterBox Pro |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [4.4 (49K ratings)](https://appshunter.io/ios/app/duet-display/id935754064/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chatterbox-pro/id6769175911/reviews)** |
| Number of ratings | **49K** | 1 |
| Positive reviews | 45.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 57 MB | 39 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Duet, Inc.](https://appshunter.io/developer/935754063) | [Tyler Paglia](https://appshunter.io/developer/1843265229) |

## What reviewers say

### 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


### ChatterBox Pro

[App page](https://appshunter.io/ios/app/chatterbox-pro/id6769175911)

This local-first AI workspace allows users to run compatible AI models on their device, manage model files, and connect to remote services. It offers flexible control over AI generation settings, document attachment, and various export options, all without a subscription.

**Highlights:** Run local AI models on-device, Manage GGUF and sideloaded models, Connect to remote AI endpoints, Attach documents for context, Tune generation settings, Export chats to text, Markdown, or PDF, Optional web search and memory

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

**In-app purchases:** none


## Frequently asked questions

### Is Duet Display free?

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

### Is ChatterBox Pro free?

ChatterBox Pro costs $4.99, with no in-app purchases.

### Which has better reviews, Duet Display or ChatterBox Pro?

ChatterBox Pro is rated higher. Duet Display averages 4.4 out of 5 from 49K ratings, while ChatterBox Pro averages 5.0 from 1 ratings.

### Do Duet Display or ChatterBox Pro have ads?

Duet Display shows ads; ChatterBox Pro does not.

### Which is updated more often, Duet Display or ChatterBox Pro?

Duet Display ships an update every 3 weeks, and ChatterBox Pro every 5 days. Most recently, Duet Display was updated on October 17, 2026 and ChatterBox Pro on October 2, 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.*