The 20 best Paid Books & Reference Apps for Android
Google Play has 60,487 Books & Reference apps, the 14th largest app category. 10,617 of them have at least 50,000 installs. 3% are paid, and the average rating is 4.4. Ranked by Google Play rating. Together these 20 apps got 4.8K installs in the last 30 days. Knots 3D got the most installs in the last 30 days: 2.5K. Install counts come from Google Play.
Last updated on 2026-11-06.
#
App
Installs, 30 days
vs 30 days before
Last 12 weeks
Total installs
On Play
10
Knot IQ: 3D Knot Tying
The Bear Essentials Outdoors Co. LTD. · Books & Reference
550
−40%
22K
20 months
