LEO dictionary icon

LEO dictionary

LEO GmbH
★ 3.9 (39,035 ratings)
⬇ 10,000,000+ downloads
Est. actual: 10,856,504
Free
Released: Jan 29, 2010
IAP: $1.00 - $11.99 per item
Contains ads

Signals

4 this week · 1 positive · 1 warning All of this week's signals →
  • 📈Last 7 days +2.1K installs — 49% slower than the week before (+4.1K) · 247/day since Oct 9
  • 🏆Among Books & Reference apps top 1% by installs gained this week (308 peers growing)
  • ⭐Rating steady at ★ 3.94 since Oct 9
  • 🛠Updates quiet · updated 96 days ago
Installs since launch
0 5.4M 11M 11M Jan 29, 2010 today
+6,182 installs · -4 ratings since Oct 9
Update history
— Aug 6, 2026 · seen Oct 24, 2026
Word lists for Westermann textbooks (Camden Town 5-8, Englisch für Gymnasien) available in the vocab trainer, free 7 day trial
Only the current version so far — new entries appear as the app ships updates.

LEO dictionary is a books & reference app by LEO GmbH with 10,000,000+ downloads (about 11M estimated). +2.1K installs in the last 7 days. Rated 3.9 from 39K ratings. Released Jan 29, 2010. Install growth, rank history, SDKs and ad networks.

From the store listing: “LEO online dictionaries, vocabulary trainer and forums.”