Best Free Duo Lingo Apps

250+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated September 2026

Every iPhone needs a few good free duo lingo apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Free Duo Lingo Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Duolingo: Language LessonsDuolingo: Language LessonsFree4.7★ (5.4M)YesYesSep 2026
2Learn to Read - Duolingo ABCLearn to Read - Duolingo ABCFree4.2★ (3.8K)NoNoSep 2026
3WhatsApp MessengerWhatsApp MessengerFree4.7★ (19M)YesYesSep 2026
4DET - Duolingo English TestDET - Duolingo English TestFree2.2★ (27)NoNoSep 2026
5(Open Source) Lingo Lessons(Open Source) Lingo LessonsFreeNoNoJul 2026
6Babbel - Language LearningBabbel - Language LearningFree4.7★ (753K)YesYesSep 2026
7Dictionary.Dictionary.Free4.8★ (15K)YesYesSep 2026
8Preply - Language Learning AppPreply - Language Learning AppFree4.8★ (44K)NoNoSep 2026

Top Picks for Free Duo Lingo

Duolingo: Language Lessons#1

Duolingo: Language Lessons by Duolingo

Languages, Math, Music & Chess
Editor's Choice
📚 Education
4.7😊(5.4M ratings)
FreeAdsIn-App Purchases
#1in Education
Duolingo: Language Lessons screenshot 1
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Learn languages, math, music, and chess through fun, bite-sized lessons. Build vocabulary, grammar, and real-world skills with a science-based methodology. Track progress and stay motivated 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
Learn to Read - Duolingo ABC#2

Learn to Read - Duolingo ABC by Duolingo

Interactive Stories for Kids
Strong Contender
📚 Education
4.2😊(3.8K ratings)
Free
Learn to Read - Duolingo ABC screenshot 1
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This app provides interactive stories and over 700 hands-on lessons designed to help children from preschool to second grade learn to read. It focuses on phonics, sight words, and vocabulary through engaging, multi-sensory activities and mini-games, all in a kid-safe, ad-free environment.

What We Love

  • 👍 Great for kids with autism
  • 👍 Engaging and fun for young learners
  • 👍 Helps with speech and language development
  • 👍 Effective for teaching reading and writing
  • 👍 Free and ad-free app

Room to Improve

  • 🐛 Inconsistent voice recognition
  • 🐛 Allows incorrect answers to be marked as correct
  • 🐛 Levels can get repetitive
  • 🐛 Difficulty settings not customizable
  • 🐛 Progress not saved properly
WhatsApp Messenger#3

WhatsApp Messenger by WhatsApp Inc.

Simple. Reliable. Private.
Worth Considering
🌐 Social Networking
4.7😊(19M ratings)
FreeAdsIn-App Purchases
#1in Social Networking
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Connect with friends and family globally through private messaging and high-quality calls. Share moments, documents, and stay in touch across devices, even on slow connections. Your conversations are secured with end-to-end encryption.

What We Love

  • 💬 Great communication tool
  • 🌍 Connects people globally
  • 🔒 Secure and private messaging
  • 📱 Versatile features (calls, video, groups)
  • 🆓 Free to use

Room to Improve

  • 🐛 Bugs and glitches (freezing, crashing, notification issues)
  • 🔒 Privacy concerns with data sharing
  • 🙈 Lack of customization and control (status, groups)
  • 📤 Backup and restore issues
  • 🚫 Arbitrary account bans

More Free Duo Lingo apps to explore

FAQ about Free Duo Lingo

What are the best free duo lingo apps for iPhone?
Duolingo: Language Lessons tops our free duo lingo apps ranking as of September 2026, with a 4.7-star average from 5.4M App Store ratings, and it's free to download.
Duolingo: Language Lessons shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ free duo lingo apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app offers courses in over 40 languages, including Spanish, French, Japanese, and German. Additionally, you can learn math skills, how to read music, and improve your chess game.
It uses fun, game-like lessons that are bite-sized and effective. The methodology is science-based and designed by learning experts to foster long-term knowledge retention across all subjects.