iDocCam OTS vs Epson Setting Assistant
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iDocCam OTS
Transform your phone into a powerful document camera for large-screen projection. Control your device's camera in real-time and adjust live images for presentations or standalone viewing.
- Real-time camera control
- Document camera functionality
- Large-screen projection
- Standalone app mode
- Integration with IPEVO Visualizer
- HDMI/VGA and AirPlay output
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To get the iDocCam trial version go to “iDocCam” in App Store and try out whether the features suit your needs. Go here: https://apps.apple.com/app/idoccam/id1489559411 iDocCam OTS serves for the lifetime purchase of the iDocCam app. For subscription-based access, please go to “iDocCam” in App Store. Go here: https://apps.apple.com/app/idoccam-ots/id1510302461 iDocCam OTS is an app that allows you to control your iPhone’s camera in real-time, and even turn it into a document camera for large-screen projection To learn more about the features of IPEVO iDocCam OTS App, please visit https://www.ipevo.com/software/idoccam There are 3 ways to use it: 1. Use iDocCam OTS as a standalone app. Use it as a standalone app to view and adjust live images captured by your iPhone’s camera. 2. Use iDocCam OTS with IPEVO Visualizer software Install iDocCam OTS on your iPhone. And then, install IPEVO Visualizer software on a computer, tablet, or smart TV*. Connect your iPhone and your device to the same wireless network. Launch iDocCam OTS and Visualizer respectively*. After that, choose your iPhone as the camera source in Visualizer. You’ll then be able to view the live images of your iPhone’s camera in Visualizer. You can then control and adjust the live images using Visualizer. And if you connect your device to a projector, the live images will be projected onto a large screen, turning your iPhone into a document camera instantly. *For more information about IPEVO Visualizer, please visit https://www.ipevo.com/visualizer *If you’re using your iPhone in conjunction with Visualizer on an iOS or macOS device, you do not need to connect them to the same wireless network. You can connect them via Bluetooth instead. 3. Connect iDocCam OTS to an external display via HDMI/VGA, or AirPlay Launch iDocCam OTS on your iPhone. Then, connect your iPhone to an external display via HDMI/VGA via a Lightning to HDMI/VGA adapter, or AirPlay (using Apple TV). Now you can use the external display as an extended screen to project the live images of your iPhone’s camera.
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/230/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 price: Epson Setting Assistant at Free against iDocCam OTS's $99.99. Epson Setting Assistant also leads on rating (4.4 vs 3.5) and ratings volume (468 vs 2). iDocCam OTS's advantage is update cadence (every 3 weeks vs every 4 months) and iOS requirement (12.0 vs 17.0). On ads, in-app purchases and device support 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
Epson Setting Assistant is free to download; iDocCam OTS costs $99.99 up front. 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 3.5. That said, the two scores are not equally well evidenced: Epson Setting Assistant has 468 ratings behind it against 2, so its average is the more settled of the two.
iDocCam OTS ships an update every 3 weeks, Epson Setting Assistant every 4 months. The most recent releases landed on June 6, 2026 and October 30, 2026 respectively.
| Parameter | iDocCam OTS | Epson Setting Assistant |
|---|---|---|
| Price | $99.99 | Free — better |
| Rating | 3.5 (2 ratings) | 4.4 (468 ratings) — better |
| Positive reviews | — | 23.1% of reviews |
| Number of ratings | 2 | 468 — better |
| Update frequency | Every 3 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 19 MB | 100 MB |
| Age rating | 4+ | 4+ |
| Developer | IPEVO | Seiko Epson Corporation |
Customer experience
iDocCam OTS
Epson Setting Assistant
In-app purchases
iDocCam OTS
No in-app purchases
Epson Setting Assistant
No in-app purchases







