Comparison

Epson iProjection vs Duet Display

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

Duet Display

Transform your iPad or iPhone into an advanced, lag-free extra display for your Mac or PC. Interact with your computer using touch and gestures, and unlock professional drawing capabilities with Apple Pencil support.

Highlights
  • Extra display for Mac & PC
  • Lag-free performance
  • Touch and gesture support
  • Apple Pencil integration
  • Professional drawing tools
  • Portable productivity
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#1 best-selling iPad app in US, Japan, UK, Germany, and 17 other countries! Duet turns your iPad or iPhone into the most advanced extra display for your Mac & PC. Developed by a team of ex-Apple engineers, Duet offers unparalleled performance and display quality - all with zero lag. — DO MORE — Be twice as productive by multitasking with two screens. And for those that travel, have a portable way to stay productive. — INCREDIBLY SIMPLE — To get started, plug your iPad into your desktop using your charging cable. The free Duet desktop app will automatically detect your device, and transform it into a high performance touchscreen display. There’s no need to worry about unreliable Wi-Fi, laggy performance, pixelated screens or managing network passwords. — TOUCHSCREEN — Interact with Mac & PC like never before, with touch & gestures, including two-finger scrolling, pan and zoom. And with our latest release, you can even add a touch bar to any iPad with any Mac. — PERFECT FOR APPLE PENCIL — With Duet Pro, you can turn your iPad and Apple Pencil into a professional graphics tablet. We’ve re-engineered our rendering algorithms for ultra-responsive drawing, optimized specifically for designers, illustrators and artists. Duet Pro also unlocks pressure & tilt sensitivity, hover, palm rejection, and more to seamlessly draw in the most powerful programs for professionals. Get precise control in Photoshop, Corel Painter, Lightroom, ToonBoom, Illustrator, Manga Studio and more.  — PRESS — TechCrunch - "Feels Like Magic" TIME - "Getting Work Done Faster and More Efficiently" The Guardian - "Lag-free" Forbes - "The simple thing to note is this...Duet Display works." The Verge - "Glorious Fluidity" Lifehacker - "It's fast, easy to use, and works great" Business Insider - "Zero lag and true retina resolution” Wall Street Journal - “It’s as easy as just plugging it in" — REVIEWS — “Awesome! My iPad Pro can be an extra monitor! Cool app” ~CEO of T-Mobile, John Legere “Very smooth and responsive indeed, plus you could use the touch screen to “click” on screen interfaces!” ~Photographer, Lok Cheung “Love the ability to use my iPad as a monitor with Duet.” ~Former Chief Evangelist of Apple, Guy Kawasaki “Just started using this app called Duet… Kinda love it so far.” ~Comedian and Youtube, Phillip DeFranco “All my mac folks look at the Duet app… GREAT!” ~Actor and Comedian, Sinbad  "I really like the app, I suppose the biggest compliment I can give is that it's so easy to setup it almost seems like an Apple product.” ~Early Adopter, M. Nightingale "Amazing solution for me by the way. Works as I was hoping for and actually my main reason for getting an iPad : )” ~Early Adopter, M. Gemzoe Duet Works With: All iPhones and iPads with iOS 7.0 and later All Macs with 10.9 (Mavericks) and later All PCs with Windows 7 and later Duet Pro Works With: All iPad Pros with Apple Pencil All Macs with 10.9 (Mavericks) and later All PCs with Windows 8.1 and later (64 bit) Duet Pro is an optional upgrade for additional features, and price may vary by location. Duet Pro subscriptions will be charged to your credit card through your iTunes account. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. You will not be able to cancel the subscription once activated. Manage Duet Pro in Account Settings after the optional upgrade. Learn more at http://www.duetdisplay.com Terms: https://www.duetdisplay.com/help-center/duet-terms-and-conditions Privacy Policy: https://www.duetdisplay.com/help-center/duet-privacy-policy

Screenshots

Epson iProjection4 screens
Duet Display3 screens

Verdict

The call

The clearest difference is in-app purchases: Epson iProjection at none against Duet Display's 6. Epson iProjection also leads on ads (none vs shown). Duet Display's advantage is update cadence (every 3 weeks vs every 6 months) and review sentiment (46% vs 20%). On price, rating 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

Both are free to download. Duet Display sells 6 in-app purchases, starting at $3.99 per month. Epson iProjection asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.3 for Epson iProjection against 4.4 for Duet Display. That said, the two scores are not equally well evidenced: Duet Display has 49K ratings behind it against 3.4K, so its average is the more settled of the two. Written reviews are what separate them: 20% of Epson iProjection's written reviews are positive against 46% of Duet Display's.

UpkeepUpdate frequency

Epson iProjection ships an update every 6 months, Duet Display every 3 weeks. Both last shipped on September 29, 2026.

Scorecard7 real differences · 3 level
Epson iProjection versus Duet Display: the parameters behind the verdict, then further details
ParameterEpson iProjectionDuet Display
PriceFreeFree
Rating4.3 (3.4K ratings)4.4 (49K ratings) — better
Positive reviews19.8% of reviews45.5% of reviews — better
Number of ratings3.4K49K — better
Update frequencyEvery 6 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Vision Pro — better
Requires iOS15.012.0 — better
Further details — not scored
Size27 MB69 MB
Age rating4+4+
DeveloperSeiko Epson CorporationDuet, Inc.

Customer experience

Epson iProjection

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

Duet Display

All ratings48,585 ratings
Positive86.2%
Neutral3.1%
Negative10.7%
Written reviews2,380 reviews
Positive45.5%
Neutral6.7%
Negative47.8%

User reviews

Epson iProjection

From 3.4K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Wireless connectivity
  • 💡 Helpful for presentations
  • 🔒 Secure connection

Room to improve

  • 🐛 Frequent disconnections
  • 🐛 Compatibility issues
  • 🐛 Buggy app
  • 🚫 Limited functionality
  • 🚫 No video streaming

Duet Display

From 49K App Store ratings

What we love

  • 🚀 Works seamlessly as a second screen
  • 👍 Useful for productivity and multitasking
  • 🎨 Great for artists and designers
  • 💻 Extends desktop to iPad
  • ⭐ Excellent customer support

Room to improve

  • 🐛 Connectivity issues and crashes
  • 🔋 High battery consumption
  • 🔒 Subscription model for full functionality
  • 🔍 Confusing setup process
  • 💸 Expensive for the features provided

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

Duet Display

Reported bugs

3 issues
  • Incompatibility with certain software and drivers
  • Laggy performance and input delays
  • Unreliable connection and frequent disconnects

Requested features

4 requests
  • Improved resolution and scaling options
  • Better support for older devices and Windows
  • More customization and control over settings
  • Wireless connectivity without subscription

In-app purchases

None

Epson iProjection

No in-app purchases

6 purchases

Duet Display

Subscriptions6
  • Duet Starter (Monthly)$3.991 Month
  • Duet Air (Monthly)7 Days trial$5.991 Month
  • Duet Pro7 Days trial$7.991 Month
Show 3 more
  • Duet Starter (Annual)$39.991 Year
  • Duet Air (Annual)7 Days trial$49.991 Year
  • Duet Pro (Annual)7 Days trial$79.991 Year

Questions

Is Epson iProjection free?
Epson iProjection is free to download, with no in-app purchases.
Is Duet Display free?
Duet Display is free to download, with in-app purchases available.
Which has better reviews, Epson iProjection or Duet Display?
Duet Display is rated higher. Epson iProjection averages 4.3 out of 5 from 3.4K ratings, while Duet Display averages 4.4 from 49K ratings.
Do Epson iProjection or Duet Display have ads?
Duet Display shows ads; Epson iProjection does not.
Which is updated more often, Epson iProjection or Duet Display?
Epson iProjection ships an update every 6 months, and Duet Display every 3 weeks. Most recently, Epson iProjection was updated on September 29, 2026 and Duet Display on September 29, 2026.

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