Comparison

Epson iProjection vs iDocCam OTS

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

Head to head
About

Epson iProjection

Wirelessly project your iPhone, iPad, or iPod touch screen, documents, and photos to a compatible Epson projector. Easily connect by scanning a QR code, and even annotate projected images. Supports up to 50 devices and simultaneous screen displays.

Highlights
  • Mirror device screen and audio
  • Project photos and documents
  • Real-time camera projection
  • QR code projector connection
  • Multi-device connectivity
  • Image annotation tool
  • Projector remote control
Read full description

Epson iProjection is a wireless projection app for iPhone®, iPad®, or iPod® touch. This app makes it easy to mirror your device's screen, and project documents and photos wirelessly to a supported Epson projector. [Key Features] 1. Mirror your device’s screen and output your device’s audio from the projector. 2. Project your photos in the "Photos" app, project documents loaded in this app, and project in real-time video from your device's camera. 3. Easily connect your device by scanning a projected QR code. 4. Connect up to 50 devices to the projector, display up to four screens simultaneously, and share your projected image with the other connected devices. 5. Annotate projected images with a pen tool and save the edited images on your device. 6. Control the projector like a remote control. [Notes] • For supported projectors, visit https://support.epson.net/projector_appinfo/iprojection/en/. You can also check "Supported Projectors" in the app's support menu. • While mirroring your device’s screen, video and audio may be delayed depending on the device and network specifications. Only unprotected content can be projected. • Use the mirroring feature to project videos in the "Photos" app. [About Projecting Documents] • The following file types are supported when projecting using "Documents". - Microsoft® Word - Microsoft® Excel - Microsoft® PowerPoint - Keynote - PDF - JPG - PNG - The file types mentioned above are also supported when stored in cloud file services • Depending on the document, the projected image may differ from the image on the computer or at the time of creation, for example, some characters may not be projected correctly. If this occurs, use the mirroring feature ("Mirror device screen") instead. • Animations and screen transition effects, videos, and audio are not played. Use the mirroring feature to play them. • We recommend testing the projection in advance when using this app for presentations. [Using the App] Make sure that the network settings for the projector have been completed. 1. Switch the input source on the projector to "LAN". Network information is displayed. 2. Connect to the same network as the projector from "Settings" > "Wi-Fi" on your iPhone/iPad/iPod touch. 3. Start Epson iProjection and connect to the projector. 4. Select and project from "Mirror device screen", "Photos", "Documents", "Web Page", or "Camera". [App permissions] The app requires the following permissions for specific features. 【Required】 Local Network - Search for and connect to the projector. 【Optional】] Photo - Project selected photos from the device to the projector. * You can use the app without granting the optional permissions, but some features may not work. All images are examples and may differ from the actual screens.

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
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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.

Screenshots

Epson iProjection4 screens
iDocCam OTS4 screens

Verdict

The call

The clearest difference is price: Epson iProjection at Free against iDocCam OTS's $99.99. Epson iProjection also leads on rating (4.3 vs 3.5) and ratings volume (3.6K vs 2). iDocCam OTS's advantage is update cadence (every 3 weeks vs every 6 months) and iOS requirement (12.0 vs 15.0). 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 iProjection 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 iProjection holds the better App Store score, 4.3 against 3.5. That said, the two scores are not equally well evidenced: Epson iProjection has 3.6K ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Epson iProjection ships an update every 6 months, iDocCam OTS every 3 weeks. The most recent releases landed on October 31, 2026 and June 6, 2026 respectively.

Scorecard6 real differences · 4 level
Epson iProjection versus iDocCam OTS: the parameters behind the verdict, then further details
ParameterEpson iProjectioniDocCam OTS
PriceFree — better$99.99
Rating4.3 (3.6K ratings) — better3.5 (2 ratings)
Positive reviews19.8% of reviews—
Number of ratings3.6K — better2
Update frequencyEvery 6 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size27 MB19 MB
Age rating4+4+
DeveloperSeiko Epson CorporationIPEVO

Customer experience

Epson iProjection

All ratings3,395 ratings
Positive82.4%
Neutral3.6%
Negative14.0%
Written reviews293 reviews
Positive19.8%
Neutral8.2%
Negative72.0%

iDocCam OTS

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

Bugs and requests

Epson iProjection

Reported bugs

4 issues
  • App crashes frequently
  • Fails to detect projector
  • Issues with PowerPoint/Keynote presentations
  • Formatting problems with shared content

Requested features

5 requests
  • Add screen mirroring capability
  • Support for more file formats
  • Improve video streaming
  • Integrate with cloud storage services
  • Enhance presentation features

iDocCam OTS

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Epson iProjection

No in-app purchases

None

iDocCam OTS

No in-app purchases

Questions

Is Epson iProjection free?
Epson iProjection is free to download, with no in-app purchases.
Is iDocCam OTS free?
iDocCam OTS costs $99.99, with no in-app purchases.
Which has better reviews, Epson iProjection or iDocCam OTS?
Epson iProjection is rated higher. Epson iProjection averages 4.3 out of 5 from 3.6K ratings, while iDocCam OTS averages 3.5 from 2 ratings.
Do Epson iProjection or iDocCam OTS have ads?
Neither Epson iProjection nor iDocCam OTS shows ads.
Which is updated more often, Epson iProjection or iDocCam OTS?
Epson iProjection ships an update every 6 months, and iDocCam OTS every 3 weeks. Most recently, Epson iProjection was updated on October 31, 2026 and iDocCam OTS on June 6, 2026.

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