#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.

Be twice as productive by multitasking with two screens. And for those that travel, have a portable way to stay productive.

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.

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.

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. 

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"

“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)
Available for $20 per year

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
Privacy Policy -

What's New

Version 1.5.6

Bugfix for pro
High Sierra fixes

Please download the latest desktop apps from our website for the best experience
Mac v17.0.2 -
Windows v1.5.1.1 -

Customer Reviews

4.2 out of 5

610 Ratings

610 Ratings

Super App, super Service


Die App ist super. Kabel an das iPad und in den Rechner und schon hat man einen zweiten Bildschirm - ohne irgendeine Verzögerung über eine WLAN-Verbindung. Und wenn man zusätzlich am Beamer hängt, dann sind es sogar 3.
Hatte dann aber das Problem, dass Duet beim Erstellen von Pivot-Tabellen in Excel abstürzt. Hab auf der Web-Seite den Service von Duet kontaktiert und 20 Minuten und 2 Mails später war das Problem behoben. Danke Jesus (Name vom Service-Mitarbeiter) - der Service hat seien Namen verdient.
Uneingeschränkte Empfehlung - klare 5 Sterne für Funktionalität und für Service.

super support


Ich suchte eine App, um auf meinem Notebook zocken und nebenbei Netflix, youtube etc. streamen lassen wollte.
Leider gibt es aktuell noch kein offiziellen Support für das Creatures Update von Win10. Nach einer Mail an den Support, kommt auch am Wochenende innerhalb kurzer Zeit eine Antwort.
Mir wurde sofort die Erstattung angeboten bekommen. Oder aber eine Early Eccess Version.
Diese läuft nun super.

MacBook Pro 2015 und iPad mini 2


EDIT: Super! Nachdem ich die App vor ein paar Monaten gelöscht hatte, habe ich ihr heute eine weitere Chance geben wollen. Ich kann erfreut sagen, dass die Nutzung von Duet nun durchaus Spaß macht und fast perfekt läuft. Sehr gute Entwicklung, weiter so!

FIRST REVIEW: Ich muss sagen, dass die App mich sofort angesprochen hat. Jedoch musste ich leider feststellen, dass die App für mich total umbrauchbar ist. Es ruckelt auf meinem iPad mini 2 extrem und zerschießt die Performance von meinem MacBook. Ich vermute mal, dass es an meinem iPad mini 2 liegt - ich hätte die App nicht gekauft, wenn ich wüsste, dass es so eine schlechte performance abliefert. Sehr schade..


Duet, Inc.
47.6 MB
Requires iOS 8.0 or later. Compatible with iPhone, iPad and iPod touch.
English, Danish, Dutch, Finnish, French, German, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese
Age Rating
Rated 4+
© Duet, Inc.
10,99 €
In-App Purchases
  1. Duet Pro 22,99 €
  2. Pro - Drawing Tablet Upgrade 21,99 €
  3. Duet Pro 3,99 €


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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