📈Last 7 days+7 installs — 17% faster than the week before (+6) · 1/day since Oct 9
🏆Among Education appstop 38% by installs gained this week (1503 peers growing)
🛠Updatesdormant · updated 288 days ago
Installs since launch
+21 installs
since Oct 9
Update history
1.1.8Jan 26, 2026 · seen Oct 19, 2026
Fix texts
Only the current version so far — new entries appear as the app ships updates.
4DD is an education app by Ovidiu & Eric – 24DD with 500+ downloads (about 522 estimated). +7 installs in the last 7 days. Released Jan 25, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Your daily dose of German”