Duolingo

vs

Grammarly

Duolingo vs Grammarly

Side-by-side comparison · 2026

Duolingo (freemium) and Grammarly (freemium) are both AI tools in the Research & Education category. Use the comparison below to decide which fits your workflow and budget.

Duolingo

🔬 Research & Education

Duolingo is an AI tool.

Freemium

Full listing Visit

Grammarly

🔬 Research & Education

Grammarly is an AI tool.

Freemium

Full listing Visit

Feature

Duolingo

Grammarly

Pricing

Freemium

Freemium

Category

🔬 Research & Education

🔬 Research & Education

Most affordable

students

education

travel

writing-generators

Alternatives to Duolingo Alternatives to Grammarly