atko flashcards is an Android app developed by wafrat.com that helps users learn new languages. The app is free and falls under the category of Education & Reference. The app is specialized for languages and can be used to learn Japanese (Hiragana, Katakana, Kanji), Korean (Hangul, basic vocabulary), or any other language.

The app uses Spaced Repetition, similar to Anki, to determine which words the user needs to study more and prioritizes those. Once the user has learned a word, the app shows it less often to save time. Users can import their words and cards from Anki if they have been using it. The app has been proven to work, as the developer has been learning 10 new Korean words per day for a while now, and has learned over 10,000 words in total using the app.