# Q vs Epson Setting Assistant

The clearest difference is rating: Epson Setting Assistant at 4.4 against Q's 3.0. Epson Setting Assistant also leads on monetization model (free vs free with in-app purchases) and ratings volume (447 vs 53). Q's advantage is iOS requirement (12.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Epson Setting Assistant holds the better App Store score, 4.4 against 3.0. That said, the two scores are not equally well evidenced: Epson Setting Assistant has 447 ratings behind it against 53, so its average is the more settled of the two. Written reviews point the same way: 13% of Q's written reviews are positive against 23% of Epson Setting Assistant's.

Q ships an update every 3 months, Epson Setting Assistant every 5 months. The most recent releases landed on August 15, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Q | Epson Setting Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (53 ratings)](https://appshunter.io/ios/app/q-sys-uci-viewer/id417461920/reviews) | **[4.4 (447 ratings)](https://appshunter.io/ios/app/epson-setting-assistant/id1606269288/reviews)** |
| Number of ratings | 53 | **447** |
| Positive reviews | 13.3% of reviews | **22.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 18 MB | 94 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [QSC Audio Products, LLC.](https://appshunter.io/developer/417461923) | [Seiko Epson Corporation](https://appshunter.io/developer/326876195) |

## What reviewers say

### Q

[App page](https://appshunter.io/ios/app/q-sys-uci-viewer/id417461920)

Control Q-SYS systems remotely from your iOS device. Design custom user interfaces in Q-SYS Designer software to manage various system elements like audio, video, and lighting. Offers extensive control capabilities for a seamless user experience.

**Highlights:** Remote system control, Customizable user interfaces (UCIs), Source selection, PTZ camera control with video preview, Lighting dimmer control, Volume faders, Signal meters

**Features:** macOS Compatibility

**In-app purchases:** none


### Epson Setting Assistant

[App page](https://appshunter.io/ios/app/epson-setting-assistant/id1606269288)

This app uses your device's camera to automatically correct the shape and unevenness of a projected image. It adjusts the projection to fit a screen or frame and compensates for surface irregularities for a clearer picture.

**Highlights:** Automatic shape correction, Unevenness correction, Rectangular image adjustment, Frame alignment, Surface irregularity detection, QR code scanning for connection

**In-app purchases:** none


## Frequently asked questions

### Is Q free?

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

### Is Epson Setting Assistant free?

Epson Setting Assistant is free to download, with no in-app purchases.

### Which has better reviews, Q or Epson Setting Assistant?

Epson Setting Assistant is rated higher. Q averages 3.0 out of 5 from 53 ratings, while Epson Setting Assistant averages 4.4 from 447 ratings.

### Do Q or Epson Setting Assistant have ads?

Neither Q nor Epson Setting Assistant shows ads.

### Which is updated more often, Q or Epson Setting Assistant?

Q ships an update every 3 months, and Epson Setting Assistant every 5 months. Most recently, Q was updated on August 15, 2026 and Epson Setting Assistant on September 23, 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.*