Comparison

iDocCam OTS vs Epson Setting Assistant

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Real-time camera control
  • Document camera functionality
  • Large-screen projection
  • Standalone app mode
  • Integration with IPEVO Visualizer
  • HDMI/VGA and AirPlay output
Read full description

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.

About

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.

Highlights
  • Automatic shape correction
  • Unevenness correction
  • Rectangular image adjustment
  • Frame alignment
  • Surface irregularity detection
  • QR code scanning for connection
Read 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/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

iDocCam OTS4 screens
Epson Setting Assistant3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
iDocCam OTS versus Epson Setting Assistant: the parameters behind the verdict, then further details
ParameteriDocCam OTSEpson Setting Assistant
Price$99.99Free — better
Rating3.5 (2 ratings)4.4 (468 ratings) — better
Positive reviews—23.1% of reviews
Number of ratings2468 — better
Update frequencyEvery 3 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size19 MB100 MB
Age rating4+4+
DeveloperIPEVOSeiko Epson Corporation

Customer experience

iDocCam OTS

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

Epson Setting Assistant

All ratings464 ratings
Positive85.1%
Neutral1.7%
Negative13.1%
Written reviews26 reviews
Positive23.1%
Neutral0.0%
Negative76.9%

In-app purchases

None

iDocCam OTS

No in-app purchases

None

Epson Setting Assistant

No in-app purchases

Questions

Is iDocCam OTS free?
iDocCam OTS costs $99.99, 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, iDocCam OTS or Epson Setting Assistant?
Epson Setting Assistant is rated higher. iDocCam OTS averages 3.5 out of 5 from 2 ratings, while Epson Setting Assistant averages 4.4 from 468 ratings.
Do iDocCam OTS or Epson Setting Assistant have ads?
Neither iDocCam OTS nor Epson Setting Assistant shows ads.
Which is updated more often, iDocCam OTS or Epson Setting Assistant?
iDocCam OTS ships an update every 3 weeks, and Epson Setting Assistant every 4 months. Most recently, iDocCam OTS was updated on June 6, 2026 and Epson Setting Assistant on October 30, 2026.

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