What are some free language-learning apps?
There are many free language-learning apps available. Some of the most popular ones include:

1. Duolingo - A gamified language learning app with lessons in multiple languages.

2. Babbel - A language learning app that offers courses in multiple languages.

3. Anki - A spaced repetition flashcard app that is extremely popular among language learners.

4. Memrise - A language learning app that uses memory techniques to help you learn new vocabulary words.

5. HelloTalk - A language exchange app that connects you with native speakers so you can practice speaking and writing in your target language.

6. Tandem - Another language exchange app that connects you with native speakers from around the world.

7. Busuu - A language learning app that offers courses in multiple languages and has a community of native speaker tutors to help you with your studies.
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