Retain Labs's Retain Cards: AI Flashcards is a top-charting app on the Google Play. It has reached #13 on the Germany Top Free chart. It is currently in the top 50 in Germany.
Chart History
Rank over the last 30 days
Currently in Top 50
| Market | Store | Tab | Category | List | Rank |
|---|---|---|---|---|---|
| DE | Google Play | apps | education | free | #50 |
| DE | Google Play | apps | education | grossing | #35 |
Best Rankings
| Market | Category | List | Best Rank | Date |
|---|---|---|---|---|
| DE | education | free | #13 | 2026-05-08 |
| DE | education | grossing | #19 | 2026-05-14 |