Epson Setting Assistant vs C
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Read full descriptionHide full description
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.
C
Read full descriptionHide full description
Wireless operation for smooth meetings and presentations. CASIO C-Mirroring is an iOS app that makes it possible to establish a network connection between an iPad, iPhone device and network-compatible CASIO Projector *1, and then project documents and images stored in the device's memory, real-time images picked up by the device's built-in camera, and browser screen images. *1 Applicable Projector Models: XJ-S400UN/S400WN XJ-UT352WN XJ-F211WN/XJ-F21XN (Some models covered by this app may not be available in certain geographic areas.) ・File Viewer: Projects documents and images *2 registered with CASIO C-Mirroring. ・Wireless Camera: Projects real-time images picked up by the device's built-in camera. ・Browser: Uses the application's built-in web browser to project web pages with the projector. *2 Projectable Document and Image Files Microsoft Word (doc, docx) Microsoft Excel (xls, xlsx) Microsoft PowerPoint (ppt, pptx) PDF JPEG, PNG Using CASIO C-Mirroring Use the steps below to establish a connection between a smart device and projector with this app. If you are already connected via a wireless LAN access point, refer to your projector's Network Function Guide. (1) Configure projector network settings. (2) Select "Network" as the projectors input source. This projects the standby screen, which shows network information. (3) On the smart device, select the desired access point with "Settings" - "Wi-Fi" and establish a connection. (4) Start up CASIO C-Mirroring. (5) On the home screen, select the function you want and execute it. (6) When you want to project with the projector, tap the Play button. When a connectable projector is found, select it. If a connectable projector isn't found, input IP address of the projector then connect to it.
Screenshots
Verdict
The clearest difference is iOS requirement: C at 15.0 against Epson Setting Assistant's 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 ships an update every 5 months, C every 4 months. The most recent releases landed on September 28, 2026 and September 20, 2026 respectively.
| Parameter | Epson Setting Assistant | C |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (447 ratings) — better | — |
| Positive reviews | 20.0% of reviews | — |
| Number of ratings | 447 — better | — |
| Update frequency | Every 5 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 94 MB | 33 MB |
| Age rating | 4+ | 17+ |
| Developer | Seiko Epson Corporation | CASIO COMPUTER CO., LTD. |
In-app purchases
Epson Setting Assistant
No in-app purchases
C
No in-app purchases
Questions
Is Epson Setting Assistant free?
Is C free?
Do Epson Setting Assistant or C have ads?
Which is updated more often, Epson Setting Assistant or C?
Other comparisons















