Comparison

TeamViewer QuickSupport 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

TeamViewer QuickSupport

This app allows trusted remote partners to connect to your iPhone or iPad to provide IT support, transfer files, and communicate via chat. It offers features like dark mode, screen rotation, and user verification for secure connections.

Highlights
  • Remote IT support
  • File transfer
  • Chat communication
  • Dark mode
  • Screen rotation
  • User verification
  • Session codes
Read full description

WHAT’S NEW: • Full control over sessions To allow your partner to connect to your device, simply enter the code they provided into the ‘Join Session’ box. You control access to your device and end the session whenever you choose. • Easy for your eyes and your battery You asked, we listened. QuickSupport now features dark mode for a more comfortable experience and better battery life. • Rotate your screen with ease Vertical or horizontal — the app adapts seamlessly to your preferred orientation. • Get onboard quickly Discover all the new UI features with our guided tour, making it easy to get started. • Improved transparency Connect only with users you trust. The app will provide you with user details, such as name, email, country, and license type, so you can verify the identity before granting access to your device. The QuickSupport app by TeamViewer allows you to get instant IT support for your iPhone or iPad. In just a few easy steps, QuickSupport enables your trusted remote partner to connect to your device to: • provide IT support • transfer files back and forth • communicate with you via chat • view device information • adjust WIFI settings, and much more. It can receive connection requests from any device (desktop, web browser or mobile). TeamViewer applies the highest security standards to your connections, ensuring you are always in control of granting access to your device and establishing or ending sessions. To establish a connection to your device, you need to do the following: 1. Open the app on your screen. Connections can't be established if the app is running in the background. 2. Share your ID with your partner or enter a code into the ‘Join Session’ box. 3. Accept the connection request every time. Without your explicit permission, the connection can’t be established. QuickSupport is available to install on any device and model, including Samsung, Nokia, Sony, Huawei, Lenovo, Honeywell, Zebra, Elo, MobileBase, Fujitsu, Philips, Hisense, Doro, TCL and many more. Key features include: • Trusted connections (user account verification) • Session codes for fast connections • Dark mode • Screen rotation • Remote control • Chat • View device information • File transfer • App list (Start/Uninstall apps) • Push and pull Wi-Fi settings • View system diagnostic information • Real-time screenshot of the device • Store confidential information into the device clipboard • Secured connection with 256 Bit AES Session Encoding. Quick startup guide: 1. Your session partner will send you a personal link to the QuickSupport application. Clicking the link will start the app download. 2. Open the QuickSupport app on your device. 3. You will see a prompt to join a session created by your remote partner. 4. When you accept the connection, the remote session will begin. "Information on Optional Access* ● Microphone: Fill the video feed with audio, or used to record message or session *You can use the app even if you do not allow the optional permissions. Please use in-app settings to disable the access."

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

Screenshots

TeamViewer QuickSupport4 screens
Duet Display3 screens

Verdict

The call

The clearest difference is rating: Duet Display at 4.4 against TeamViewer QuickSupport's 2.9. Duet Display also leads on review sentiment (45% vs 29%) and ratings volume (49K vs 5.2K). TeamViewer QuickSupport's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price, update cadence 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. TeamViewer QuickSupport asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Duet Display holds the better App Store score, 4.4 against 2.9. That said, the two scores are not equally well evidenced: Duet Display has 49K ratings behind it against 5.2K, so its average is the more settled of the two. Written reviews point the same way: 29% of TeamViewer QuickSupport's written reviews are positive against 45% of Duet Display's.

UpkeepUpdate frequency

TeamViewer QuickSupport ships an update monthly, Duet Display every 3 weeks. Both last shipped on October 20, 2026.

Scorecard7 real differences · 3 level
TeamViewer QuickSupport versus Duet Display: the parameters behind the verdict, then further details
ParameterTeamViewer QuickSupportDuet Display
PriceFreeFree
Rating2.9 (5.2K ratings)4.4 (49K ratings) — better
Positive reviews28.6% of reviews45.5% of reviews — better
Number of ratings5.2K49K — better
Update frequencyMonthlyEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Vision Pro — better
Requires iOS15.413.0 — better
Further details — not scored
Size66 MB57 MB
Age rating4+4+
DeveloperTeamViewer Germany GmbHDuet, Inc.

Customer experience

TeamViewer QuickSupport

All ratings5,199 ratings
Positive46.3%
Neutral2.9%
Negative50.8%
Written reviews441 reviews
Positive28.6%
Neutral3.6%
Negative67.8%

Duet Display

All ratings48,726 ratings
Positive86.2%
Neutral3.1%
Negative10.7%
Written reviews2,385 reviews
Positive45.5%
Neutral6.7%
Negative47.9%

Bugs and requests

TeamViewer QuickSupport

Not enough reviews yet to summarise bugs or 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

In-app purchases

None

TeamViewer QuickSupport

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 TeamViewer QuickSupport free?
TeamViewer QuickSupport 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, TeamViewer QuickSupport or Duet Display?
Duet Display is rated higher. TeamViewer QuickSupport averages 2.9 out of 5 from 5.2K ratings, while Duet Display averages 4.4 from 49K ratings.
Do TeamViewer QuickSupport or Duet Display have ads?
Duet Display shows ads; TeamViewer QuickSupport does not.
Which is updated more often, TeamViewer QuickSupport or Duet Display?
TeamViewer QuickSupport ships an update monthly, and Duet Display every 3 weeks. Most recently, TeamViewer QuickSupport was updated on October 20, 2026 and Duet Display on October 20, 2026.

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