Best Duo App

247+ iOS apps & games curated and reviewed

4.6 avg rating
19 free apps & games
Updated November 2026

With an average user rating of 4.6★, the duo app category is one of the App Store's strongest. Browse all 247+ apps and games we track, sorted so the most loved ones surface first.

Compare top Duo App (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Duo MobileDuo MobileFree4.9★ (2.4M)NoNoNov 2026
2Google MeetGoogle MeetFree4.8★ (2.3M)NoNoNov 2026
3Duolingo: Learn LanguagesDuolingo: Learn LanguagesFree4.7★ (5.6M)YesYesNov 2026
4Battlefleet DuoBattlefleet DuoFree4.9★ (18)YesYesNov 2026
5Duo Wallpapers & ThemesDuo Wallpapers & ThemesFree5.0★ (2)NoYesNov 2026
6MD Vinyl Music AppMD Vinyl Music AppFree4.6★ (30K)NoYesNov 2026
7iScreen - Widgets & WallpaperiScreen - Widgets & WallpaperFree4.7★ (155K)YesYesNov 2026
8DuoBook: Pocket MacDuoBook: Pocket MacFree3.4★ (7)NoNoNov 2026

Top Picks for Duo App

Duo Mobile#1

Duo Mobile by Duo Security LLC

Security made simple
Editor's Choice
💼 Business
4.9😐(2.4M ratings)
Free
#17in Business
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Enhance your online security with two-factor authentication. This app generates passcodes and allows one-tap push notifications for secure logins across various services. Manage authentication for multiple applications and websites easily.

What We Love

  • 👍 Simple and easy to use
  • 🔒 Provides an extra layer of security
  • 🚀 Quick and convenient authentication
  • 🔒 Secure login experience
  • 👍 Straightforward and user-friendly
  • 👍 Easy to set up and use

Room to Improve

  • 🐛 Unreliable notifications and push functionality
  • 🐛 Compatibility issues when changing devices
  • 🐛 Slow and frustrating authentication process
  • 🐛 Confusing and non-intuitive user interface
  • 🐛 Forced use of the app causing inconvenience
  • 🐛 Inability to remove or deactivate the app
Google Meet#2

Google Meet by Google

Video calling and meetings
Strong Contender
🌐 Social Networking
4.8😊(2.3M ratings)
Free
#11in Social Networking
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Connect with friends, family, and colleagues through high-quality video calls and meetings. Schedule calls, send video messages, or join spontaneous conversations. Integrates with Google Workspace apps for enhanced productivity.

What We Love

  • 👍 Easy to use
  • 🚀 High-quality video and audio
  • 💡 Cross-platform compatibility
  • 🤝 Allows communication with non-iPhone users
  • 😊 Overall positive experience

Room to Improve

  • 🐛 Frequent freezing and disconnections
  • 🔋 High battery drain
  • 🔇 Audio issues like echoes and delays
  • 📵 Inability to use without a phone number
  • 🤔 Confusing UI and limited features compared to competitors
Duolingo: Learn Languages#3

Duolingo: Learn Languages by Duolingo, Inc

Spanish, French, Chess & Math
Worth Considering
📚 Education
4.7😊(5.6M ratings)
FreeAdsIn-App Purchases
#1in Education
Duolingo: Learn Languages screenshot 1
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Master new languages, chess, and math with fun, bite-sized lessons. This popular education app uses game-like challenges and expert-designed methods to build vocabulary, grammar, and strategic skills. Track your progress and compete with a global community.

What We Love

  • 🤩 Fun and entertaining learning experience
  • 🎉 Motivating streak and league features
  • 🎨 Cute and engaging animations
  • 📚 Effective for learning vocabulary and basics
  • 🤖 Useful AI-powered features like voice lessons

Room to Improve

  • 🤖 Issues with voice recognition and pronunciation feedback
  • 🤑 Aggressive monetization tactics and paywall for key features
  • 🤯 Frustrating heart/health system that penalizes mistakes
  • 🤔 Lack of grammar explanations and focus on just memorizing phrases
  • 🤷‍♀️ Inconsistent app experience across platforms

More Duo App apps to explore

FAQ about Duo App

What is the best duo app for iPhone?
Duo Mobile tops our duo app ranking as of November 2026, with a 4.9-star average from 2.4M App Store ratings, and it's free to download.
Yes — 19 of the top duo app we rank are free to download, including Duo Mobile and Google Meet.
Duo Mobile has no ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 247+ duo app on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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