What is Duolingo used for?

Duolingo is a gamified language-learning app and website built around short lessons, presented as free to start with optional paid features. It is a good fit for daily language practice and picking up a language before a trip.

Is Duolingo open source?

No. Duolingo is proprietary (closed-source) software and can't be self-hosted. In the Education & LMS category, open-source options include Frappe Learning, Open edX and Moodle.

Duolingo: features, pricing and alternatives

About Duolingo

Duolingo is a language-learning app that turns practice into short, game-like lessons. Learners pick a language and work through brief exercises a few minutes at a time, which makes it suited to building a daily habit on a phone or in a browser.

The vendor's homepage presents the service as a way to learn a language for free and also links a pricing page for paid options. Duolingo is a hosted commercial service operated by the company and cannot be self-hosted. Detailed course lists and plan features are described on its website.

Key features

Short gamified language lessons
Many languages to choose from
Mobile and web access
Free tier with paid upgrade options

Good fit for

→Daily language practice
→Picking up a language before a trip

Tags: language-learning; gamification; mobile-app; e-learning; education; lessons

Duolingo: questions and answers

What is Duolingo used for?: Duolingo is a gamified language-learning app and website built around short lessons, presented as free to start with optional paid features. It is a good fit for daily language practice and picking up a language before a trip.
Is Duolingo free?: Yes. Duolingo has a free plan.
Is Duolingo open source?: No. Duolingo is proprietary (closed-source) software and can't be self-hosted. In the Education & LMS category, open-source options include Frappe Learning, Open edX and Moodle.
What are some alternatives to Duolingo?: Duolingo competes with Babbel.