Duet Display vs BeMyDisplay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
BeMyDisplay
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BeMyDisplay turns iPad/iPhone into a second display for Windows PC. The advanced design let BeMyDisplay provide unparalleled display effect: pixel perfect + ultra-low latency (free of trial). To get started, plug your iPad/iPhone into your Windows PC with USB cable, and run BeMyDisplay on both windows and iOS side, then BeMyDisplay will turn your iPad/iPhone into a high-performance second display for your PC automatically. BeMyDisplay Works With: All iPad/iPhone with iOS 12.0 and later All PC with Intel/Nvidia graphics card and Windows 10 (Version 2004 or newer) or Windows 11 Learn more at: https://starry-sky-workshop.github.io/BeMyDisplay/ or at: https://gitee.com/starry-sky-workshop/BeMyDisplay [Annual Subscription Information] Subscription Benefits: Enjoy all app features for one year Subscription Period: 1 year Subscription Price: Please refer to the iAP application information, for example, a continuous annual subscription is $1 per year. Payment: Upon confirming purchase and payment, the amount will be charged to the iTunes account. Cancellation of Renewal: To cancel renewal, please manually turn off the automatic renewal feature in your iTunes/Apple ID settings at least 24 hours before the current subscription period expires. Renewal: The Apple iTunes account will attempt to charge the fee within 24 hours prior to the expiration date, and upon successful payment, the subscription period will be extended for one year. Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://github.com/starry-sky-workshop/BeMyDisplay/blob/main/PrivacyPolicy/PrivacyPolicy-en.md
Screenshots
Verdict
The clearest difference is update cadence: Duet Display at every 3 weeks against BeMyDisplay's every 4 months. On price, 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
Both are free to download. Duet Display sells 6 in-app purchases, starting at $3.99 per month and BeMyDisplay sells 1 in-app purchase, starting at $0.99 per year. Whichever you choose, the download price is not the number that matters.
Duet Display ships an update every 3 weeks, BeMyDisplay every 4 months. The most recent releases landed on September 26, 2026 and September 14, 2026 respectively.
| Parameter | Duet Display | BeMyDisplay |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (49K ratings) — better | — |
| Positive reviews | 45.5% of reviews | — |
| Number of ratings | 49K — better | — |
| Update frequency | Every 3 weeks — better | Every 4 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Vision Pro — better | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 69 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Duet, Inc. | 一康 樊 |
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
BeMyDisplay
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Duet Display
- Duet Starter (Monthly)$3.991 Month
- Duet Air (Monthly)7 Days trial$5.991 Month
- Duet Pro7 Days trial$7.991 Month
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- Duet Starter (Annual)$39.991 Year
- Duet Air (Annual)7 Days trial$49.991 Year
- Duet Pro (Annual)7 Days trial$79.991 Year
BeMyDisplay
- Auto-renewable Annual Plan$0.991 Year
Questions
Is Duet Display free?
Is BeMyDisplay free?
Do Duet Display or BeMyDisplay have ads?
Which is updated more often, Duet Display or BeMyDisplay?
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