Comparison

Duet Display vs MarketSprint

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

MarketSprint

Features
Read full description

Never miss a sales opportunity. MarketSprint is the essential marketing calendar for e-commerce sellers across Amazon, eBay, Etsy, Shopify, TikTok Shop, Temu, Walmart, and more. Know exactly what to prepare and when — so you're always ready for the next big sale. How it works: 1. Browse 50+ pre-loaded e-commerce events (Prime Day, Black Friday, Cyber Monday, holiday deadlines, and more) 2. Open any event to see a built-in checklist of what to prepare 3. Add your own custom events with personalized checklists 4. Track what's coming this week and in the next 30 days 5. Share events with your team so everyone stays aligned Features: • 50+ pre-loaded e-commerce events across all major marketplaces • Built-in checklists for every event — inventory, ads, content, promotions • Custom events with your own checklists and notes • "This Week" and "Next 30 Days" dashboards for quick planning • Full calendar view with month navigation • Days-until countdown for every event • Share events with your team • AI Content Helper for marketing ideas and seasonal themes (optional) • Offline-first — works without internet • All data stored locally on your device • No account or subscription required • Clean, seller-first design For Amazon sellers: Prime Day, Black Friday, Cyber Monday, holiday inventory deadlines, Lightning Deals windows, and more. For Shopify merchants: BFCM prep, store refresh deadlines, email campaign timelines, and seasonal collections. For all sellers: One unified calendar that covers every marketplace you sell on. Important: The optional AI Content Helper sends your request to an AI service provider for processing. We do not include your store name, sales data, or any business-sensitive information in these requests. You can disable this feature at any time in Settings.

Screenshots

Duet Display3 screens
MarketSprint4 screens

Verdict

The call

The clearest difference is price: Duet Display at Free against MarketSprint's $0.99. Duet Display also leads on device support (4 vs 1) and iOS requirement (13.0 vs 17.0). MarketSprint's advantage is in-app purchases (none vs 6) and ads (none vs shown).

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

Duet Display is free to download; MarketSprint costs $0.99 up front. Duet Display sells 6 in-app purchases, starting at $3.99 per month. MarketSprint asks for nothing beyond the download.

Scorecard5 real differences · 5 level
Duet Display versus MarketSprint: the parameters behind the verdict, then further details
ParameterDuet DisplayMarketSprint
PriceFree — better$0.99
Rating4.4 (49K ratings) — better—
Positive reviews45.5% of reviews—
Number of ratings49K — better—
Update frequencyEvery 3 weeks—
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Vision Pro — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size59 MB4 MB
Age rating4+4+
DeveloperDuet, Inc.Quote Lin

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

MarketSprint

Not enough reviews yet to summarise bugs or requests.

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

MarketSprint

No in-app purchases

Questions

Is Duet Display free?
Duet Display is free to download, with in-app purchases available.
Is MarketSprint free?
MarketSprint costs $0.99, with no in-app purchases.
Do Duet Display or MarketSprint have ads?
Duet Display shows ads; MarketSprint does not.

Other comparisons