Q vs Epson Setting Assistant
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Q
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.
- Remote system control
- Customizable user interfaces (UCIs)
- Source selection
- PTZ camera control with video preview
- Lighting dimmer control
- Volume faders
- Signal meters
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Control Q-SYS systems from your iOS device! Within Q-SYS Designer software, user control interfaces (UCIs) can be created, and nearly any element in the system can be placed in the UCIs for control and monitoring. This enables a near limitless array of control capability, all from your iOS device, including source selection buttons, Q-SYS PTZ camera controls (with video preview frames), lighting dimmer controls, projector on/off selector, signal meters, screen up/down, snapshot recall, volume control faders, and more. This app is designed for use with QSC's Q-SYS Platform only. Q-SYS UCI deployment onto a Core processor for use with TSC touch screens, UCI viewer for PC and iOS app requires license activation. Visit www.qsc.com/uci for more details.
Epson Setting Assistant
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.
- Automatic shape correction
- Unevenness correction
- Rectangular image adjustment
- Frame alignment
- Surface irregularity detection
- QR code scanning for connection
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Epson Setting Assistant is an app that automatically corrects the shape of a projected image by using your camera. By taking a shot of the projected pattern, the app automatically corrects distortion in the projected image and adjusts its shape to match the screen. [Main Features] 1) Shape correction The app adjusts the image to a rectangular shape or aligns it with a frame, such as a projector screen. 2) Unevenness correction The app detects small surface irregularities, such as on a wall, and corrects distortion in the projected image. [For Home Projector (EH Series) Users: Using the App] Make sure your iPhone®, iPad®, or iPod® touch and the projector are connected to the same network. 1. Select [Installation] ([Installation] > [Geometry Correction Wizard]) from the projector's menu. 2. Open this app on your iPhone®, iPad®, or iPod® touch and select [Home] as the projector type to automatically connect to the projector. 3. Follow the on-screen instructions to take a shot of the projected pattern using the camera in the app, and the corrections will be completed automatically. [For Business Projector (EB Series) Users: Using the App] Make sure the [Wireless LAN Power] setting is set to [On] in the projector‘s [Management] menu. 1. Select [Installation] > [Connect to Setting Assistant] from the projector's menu to project a QR code. 2. Open this app on your iPhone®, iPad®, or iPod® touch, select [Business] as the projector's type, and then scan the QR code to automatically connect to the projector. 3. Follow the on-screen instructions to take a shot of the projected pattern using the camera in the app, and the corrections will be completed automatically. [Supported Projectors] Visit https://support.epson.net/projector_appinfo/setting_assistant/en/ for details. Depending on your projector model, some features may not be available. [Notes for use] Depending on your environment, such as a curved projection surface or wallpaper with rough textures or patterns, automatic correction using the app may not be available. In these situations, please correct the image shape from the projector's menu. Depending on your smartphone/tablet, the Wi-Fi settings may prevent you from temporarily connecting to the projector. Turn your Wi-Fi off and then on again and try again. For detailed important points, visit https://download2.ebz.epson.net/sec_pubs_visual/apps/setting_assistant/210/EN/index.html. You can also check these from the [Online support guide] in the menu at the top right of the app. Images used here are for illustrative purposes only. The actual images may differ. [App Permissions] To use the app, the following permissions are required. [Required] Local Network For searching and connecting to the projector. [Required] Camera For capturing correction patterns or QR codes for connection. * Optional permissions can be declined, but some features may not work.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Q | Epson Setting Assistant |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (53 ratings) | 4.4 (447 ratings) — better |
| Positive reviews | 13.3% of reviews | 22.7% of reviews — better |
| Number of ratings | 53 | 447 — better |
| Update frequency | Every 3 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 18 MB | 94 MB |
| Age rating | 4+ | 4+ |
| Developer | QSC Audio Products, LLC. | Seiko Epson Corporation |
Customer experience
Q
Epson Setting Assistant
In-app purchases
Q
No in-app purchases
Epson Setting Assistant
No in-app purchases









