Shameless plug of my language app, dangerous.
Our language app is largely based on using LLMs and spaced-repetition. We explain the context behind every word and phrase, provide additional usage examples and cultural notes, and also use speech recognition to test recall and pronunciation.
We're invite-only at the moment, but happy to pass along invite codes to anybody who may find it useful.
https://apps.apple.com/us/app/dangerous-language-skills/id67...