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Head-to-head · Language Learning Apps

Duolingo vs Mondly

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Duolingo #1 in Language Learning Apps 9.4/10 Free plan · 14-day trial Free planFree trial✓ 5 of 5 features Visit Duolingo
Mondly #8 in Language Learning Apps 8.6/10 Free plan · 7-day trial Free planFree trial✓ 5 of 5 features Visit Mondly

Duolingo leads on 0 checks, Mondly on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreDuolingo · 9.4/10
  • Free planboth
  • Free trialboth

Duolingo scores higher on our rubric for language learning apps: 9.4 against 8.6 out of 10; our editors rank them #1 and #8.

Duolingo is the better fit for beginners seeking the strongest free mainstream option. Mondly is the better fit for broad-language learners seeking varied practice modes.

  • Duolingo fits best

    Beginners seeking the strongest free mainstream option

  • Mondly fits best

    Broad-language learners seeking varied practice modes

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Duolingo 9.4/10 Visit ↗ Mondly 8.6/10 Visit ↗
At a glance
Editor score 9.4 8.6
Ranking #1 in Language Learning Apps #8 in Language Learning Apps
Best for Beginners seeking the strongest free mainstream option Broad-language learners seeking varied practice modes
Pricing model Free plan + paid Free plan + paid
Starting price Free plan · 14-day trial —
Free plan ✓ ✓
Free trial 14 days 7 days
Free trial length 14 days 7 days
Deployment Cloud, Mobile Cloud, Desktop, Mobile
Platforms Web, macOS, iOS, Android Web, macOS, iOS, Android
Support Email Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Duolingo 5/5 · Mondly 5/5
Offline lessons ✓ ✓
Speech practice ✓ ✓
Placement test ✓ ✓
Personalized review ✓ ✓
Mobile apps ✓ ✓
Specs
Languages offered Not checked yet 41
Our review
Pros
  • Free access includes bite-sized lessons across reading, writing, listening, and speaking.
  • Placement testing and personalized review help tailor practice to learner progress.
  • Offline mobile lessons, stories, DuoRadio, and speech exercises broaden practice.
  • Supports 41 language courses and 1,320 language combinations
  • Combines speech recognition, AI conversations, grammar, and vocabulary review
  • Offers offline learning across web, iOS, Android, and macOS
Cons
  • The Free plan includes advertising.
  • AI conversation features require the Duolingo Max plan.
  • Offline lesson access is limited to the mobile app experience.
  • The Free plan provides only limited access
  • Paid pricing may vary by region or platform
  • It is proprietary rather than open source
Our verdict

Duolingo is a self-paced language-learning website and mobile app for learners building skills in reading, writing, listening, speaking, vocabulary, and grammar. Its short interactive lessons combine practice with progress tracking,…

Read the review →

Mondly is a language-learning app for individual learners, educators, and businesses. Developed by ATI Studios and part of Pearson, it combines short daily lessons with topic-based courses, vocabulary and grammar practice, pronunciation…

Read the review →
  1. DuolingoLanguage Learning Apps 9.4Free plan · 14-day trial
  2. MondlyLanguage Learning Apps 8.6Free plan · 7-day trial

Strengths and trade-offs

  • Duolingo — where it wins

    • Free access includes bite-sized lessons across reading, writing, listening, and speaking.
    • Placement testing and personalized review help tailor practice to learner progress.
    • Offline mobile lessons, stories, DuoRadio, and speech exercises broaden practice.

    Where it doesn't

    • The Free plan includes advertising.
    • AI conversation features require the Duolingo Max plan.
    • Offline lesson access is limited to the mobile app experience.

  • Mondly — where it wins

    • Supports 41 language courses and 1,320 language combinations
    • Combines speech recognition, AI conversations, grammar, and vocabulary review
    • Offers offline learning across web, iOS, Android, and macOS

    Where it doesn't

    • The Free plan provides only limited access
    • Paid pricing may vary by region or platform
    • It is proprietary rather than open source
  • Duolingo9.4/10 · Free plan · 14-day trial

    A strong free starting point with broad practice, personalization, and mobile access.

    Visit DuolingoFull verdict →
  • Mondly8.6/10 · Free plan · 7-day trial

    A broad language-learning app with varied practice modes and a freemium entry point.

    Visit MondlyFull verdict →

More comparisons

All language learning apps comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update