# Duet Display vs E2E Service Guide

The clearest difference is review sentiment: Duet Display at 45% against E2E Service Guide's 0%. Duet Display also leads on rating (4.4 vs 1.4) and ratings volume (49K vs 8). E2E Service Guide's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price, update cadence 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. E2E Service Guide asks for nothing beyond the download.

Duet Display holds the better App Store score, 4.4 against 1.4. That said, the two scores are not equally well evidenced: Duet Display has 49K ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 45% of Duet Display's written reviews are positive against 0% of E2E Service Guide's.

Duet Display ships an update every 3 weeks, E2E Service Guide fortnightly. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Duet Display | E2E Service Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (49K ratings)](https://appshunter.io/ios/app/duet-display/id935754064/reviews)** | [1.4 (8 ratings)](https://appshunter.io/ios/app/e2e-service-guide/id6472705241/reviews) |
| Number of ratings | **49K** | 8 |
| Positive reviews | **45.5% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 57 MB | 31 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | **iPhone, iPad, iPod, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Duet, Inc.](https://appshunter.io/developer/935754063) | [Siemens Gamesa Renewable Energy](https://appshunter.io/developer/1516627322) |

## 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


### E2E Service Guide

[App page](https://appshunter.io/ios/app/e2e-service-guide/id6472705241)

Manage end-to-end workflows with this comprehensive service guide. Streamline operations and improve efficiency across your projects. Designed for seamless task management and operational oversight.

**Highlights:** End-to-end workflow management, Service operations streamlining, Task management, Operational oversight, Project efficiency improvement

**In-app purchases:** none


## Frequently asked questions

### Is Duet Display free?

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

### Is E2E Service Guide free?

E2E Service Guide is free to download, with no in-app purchases.

### Which has better reviews, Duet Display or E2E Service Guide?

Duet Display is rated higher. Duet Display averages 4.4 out of 5 from 49K ratings, while E2E Service Guide averages 1.4 from 8 ratings.

### Do Duet Display or E2E Service Guide have ads?

Duet Display shows ads; E2E Service Guide does not.

### Which is updated more often, Duet Display or E2E Service Guide?

Duet Display ships an update every 3 weeks, and E2E Service Guide fortnightly. Most recently, Duet Display was updated on October 16, 2026 and E2E Service Guide on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*