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Duolingo Max
A
Lex
A
TaglineDuolingo + AI. Explain My Answer + Roleplay features.Google Docs with an AI collaborator baked in.
CategoryEducationWriting
Pricing$30/mo (or ~$168/yr)Free + $12/mo
Best forLanguage learners who've outgrown basic Duolingo.Essays, long-form drafts, thinking on the page.
Strengths
  • Explain My Answer = personal tutor for every mistake
  • Roleplay = real conversation practice
  • Gamification that actually sticks
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
Weaknesses
  • Pricey vs free Duolingo
  • Conversation AI still stiff sometimes
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
Kai's verdictA-tier. If you already love Duolingo, worth it. If starting fresh, try ChatGPT Voice instead.A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.
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