Explore the documented learning format and scope below.
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Documented platform formats
Duolingo’s introductory guide describes language courses made up of units focused on communication goals, with vocabulary and grammar for each goal. (Duolingo Guide — official documentation)
The guide describes speaking, writing, reading and listening exercises as parts of language study. Availability of particular activities varies by course and product. (Duolingo Guide — official documentation)
The guide describes personalized practice that revisits content and mistakes. This is an app feature, not evidence that the app replaces conversation with a person or ensures fluency. (Duolingo Guide — official documentation)
Questions before choosing a program
- Whether your language is offered at your level
- Whether the app gives you enough speaking practice
- Which features are free and which are paid
Sources and access details
Official sources read 29 October 2026. Descriptions concern the named resource, edition, model or learning format. They are not independent product tests or guarantees of learning or employment outcomes. Check current access, price and terms with the provider.