KCLS icon

KCLS

KCLS Mobile
★ 3.7 (343 ratings)
⬇ 50,000+ downloads
Est. actual: 81,089
Free
Released: Nov 29, 2013
No in-app purchases
No ads

Signals

4 this week · 1 positive · 1 warning All of this week's signals →
  • 📈Last 7 days +109 installs — 39% slower than the week before (+178) · 16/day since Oct 7
  • 🏆Among Books & Reference apps top 9% by installs gained this week (383 peers growing)
  • ⭐Rating steady at ★ 3.66 since Oct 7
  • 🛠Updates quiet · updated 71 days ago
Installs since launch
0 41K 81K 81K Nov 29, 2013 today
+604 installs · 0 ratings since Oct 7
Update history
2.20.0 Sep 3, 2026 · seen Oct 24, 2026
Stability improvements for smoother app launch, search, and barcode scanning
Only the current version so far — new entries appear as the app ships updates.

KCLS is a books & reference app by KCLS Mobile with 50,000+ downloads (about 81K estimated). +109 installs in the last 7 days. Rated 3.7 from 343 ratings. Released Nov 29, 2013. Install growth, rank history, SDKs and ad networks.

From the store listing: “Find books, movies, music and more at your KCLS library.”