# Duet Display vs LetsView

The clearest difference is rating: Duet Display at 4.4 against LetsView's 2.3. Duet Display also leads on update cadence (every 3 weeks vs every 6 months) and ratings volume (49K vs 23). LetsView's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price there is nothing between them.

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

Duet Display holds the better App Store score, 4.4 against 2.3. That said, the two scores are not equally well evidenced: Duet Display has 49K ratings behind it against 23, so its average is the more settled of the two. Written reviews point the same way: 46% of Duet Display's written reviews are positive against 33% of LetsView's.

Duet Display ships an update every 3 weeks, LetsView every 6 months. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Duet Display | LetsView |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (49K ratings)](https://appshunter.io/ios/app/duet-display/id935754064/reviews)** | [2.3 (23 ratings)](https://appshunter.io/ios/app/letsview/id1462741927/reviews) |
| Number of ratings | **49K** | 23 |
| Positive reviews | **45.5% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 57 MB | 26 MB |
| Requires iOS | 13.0 | **9.1** |
| Devices | **iPhone, iPad, iPod, Vision Pro** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Duet, Inc.](https://appshunter.io/developer/935754063) | [T&F Global Co., Ltd.](https://appshunter.io/developer/1462741926) |

## 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


### LetsView

[App page](https://appshunter.io/ios/app/letsview/id1462741927)

This app offers dashcam functionality with features like WiFi connectivity, ADAS, and night view. It also includes driving time alarms and supports free format.

**Highlights:** WiFi function, ADAS function and night view, Driving time alarm, Free format

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Duet Display free?

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

### Is LetsView free?

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

### Which has better reviews, Duet Display or LetsView?

Duet Display is rated higher. Duet Display averages 4.4 out of 5 from 49K ratings, while LetsView averages 2.3 from 23 ratings.

### Do Duet Display or LetsView have ads?

Duet Display shows ads; LetsView does not.

### Which is updated more often, Duet Display or LetsView?

Duet Display ships an update every 3 weeks, and LetsView every 6 months. Most recently, Duet Display was updated on October 13, 2026 and LetsView 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.*