Comparison

Duet Display vs Mouse · Keyboard

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

Head to head
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
Read full description

#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

About

Mouse · Keyboard

Transform your iPhone or iPad into a precise trackpad and full-featured keyboard for your Mac or PC. Control your computer remotely for presentations, browsing, or messaging with a natural, intuitive interface. Enjoy seamless connectivity and privacy on your local network.

Highlights
  • Precise multi-touch trackpad gestures
  • Full-screen keyboard with shortcuts
  • Works with Mac and PC
  • Local network privacy
  • Landscape and portrait modes
  • Quick setup
Features
Read full description

Turn your iPhone or iPad into a powerful trackpad and keyboard for your Mac or PC. Present with confidence, browse from the couch, or answer messages without reaching for your computer. Why You’ll Love Input - Feels instantly natural. Smooth, precise multi-touch tracking with scrolling, swipes, and gestures that behave just like a real trackpad. - Type comfortably anywhere. Enjoy a full-screen keyboard with text shortcuts, emoji, and function keys—perfect for long messages or quick replies. - Works with all your computers. Install the free helper on any Mac or PC and switch between devices with a single tap. - Built for privacy. Everything stays on your local network. Connections use HTTPS and require on-device approval before pairing. - Made for every moment. Landscape or portrait, light or dark mode—Input adapts beautifully to any iPhone or iPad screen. Quick Setup 1. Download the free helper for Mac or PC at rs.ltd/get 2. Make sure your devices share the same Wi-Fi or Personal Hotspot 3. Open Input, select your computer, and you’re ready to go Requirements - Mac with macOS 10.10+ or PC running Windows 7 SP1+ - Latest helper app from rs.ltd/get - Shared network connection (Wi-Fi or Personal Hotspot); details at rs.ltd/connect Input turns any spot—sofa, stage, or bedside—into the perfect place to control your computer with ease and precision.

Screenshots

Duet Display3 screens
Mouse · Keyboard3 screens

Verdict

The call

The clearest difference is review sentiment: Mouse · Keyboard at 94% against Duet Display's 46%. Mouse · Keyboard also leads on in-app purchases (none vs 6) and ads (none vs shown). Duet Display's advantage is ratings volume (49K vs 2.5K) and device support (4 vs 2). On price and update cadence 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. Mouse · Keyboard asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Mouse · Keyboard holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Duet Display has 49K ratings behind it against 2.5K, so its average is the more settled of the two. Written reviews point the same way: 46% of Duet Display's written reviews are positive against 94% of Mouse · Keyboard's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on September 25, 2026.

Scorecard8 real differences · 2 level
Duet Display versus Mouse · Keyboard: the parameters behind the verdict, then further details
ParameterDuet DisplayMouse · Keyboard
PriceFreeFree
Rating4.4 (49K ratings)4.7 (2.5K ratings) — better
Positive reviews45.5% of reviews94.0% of reviews — better
Number of ratings49K — better2.5K
Update frequencyEvery 3 weeksEvery 3 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Vision Pro — betteriPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size69 MB90 MB
Age rating4+4+
DeveloperDuet, Inc.Remote Sunrise LTD

Customer experience

Duet Display

All ratings48,585 ratings
Positive86.2%
Neutral3.1%
Negative10.7%
Written reviews2,376 reviews
Positive45.5%
Neutral6.7%
Negative47.8%

Mouse · Keyboard

All ratings2,460 ratings
Positive91.8%
Neutral2.3%
Negative5.9%
Written reviews933 reviews
Positive94.0%
Neutral1.3%
Negative4.7%

User reviews

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

Mouse · Keyboard

From 2.5K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Responsive and fast
  • 💡 Useful remote control features
  • 🔒 Secure and reliable
  • 🎨 Clean and intuitive interface

Room to improve

  • 🐛 Occasional lag or connectivity issues
  • 🔋 Drains device battery faster
  • 📚 Unclear instructions or documentation

Bugs and requests

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

Mouse · Keyboard

Reported bugs

2 issues
  • Cursor disappears or becomes unresponsive
  • Keyboard input not registering correctly

Requested features

3 requests
  • Add volume and brightness controls
  • Improve scrolling and zooming gestures
  • Provide more keyboard customization options

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
None

Mouse · Keyboard

No in-app purchases

Questions

Is Duet Display free?
Duet Display is free to download, with in-app purchases available.
Is Mouse · Keyboard free?
Mouse · Keyboard is free to download, with no in-app purchases.
Which has better reviews, Duet Display or Mouse · Keyboard?
Mouse · Keyboard is rated higher. Duet Display averages 4.4 out of 5 from 49K ratings, while Mouse · Keyboard averages 4.7 from 2.5K ratings.
Do Duet Display or Mouse · Keyboard have ads?
Duet Display shows ads; Mouse · Keyboard does not.
Which is updated more often, Duet Display or Mouse · Keyboard?
Duet Display ships an update every 3 weeks, and Mouse · Keyboard every 3 weeks. Most recently, Duet Display was updated on September 25, 2026 and Mouse · Keyboard on September 25, 2026.

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