About this app
RichBook is the book reader application with multiple devices. ■ Requirement Bluetooth option in "Settings" App : ON ■ How to use Please watch the video. http://youtu.be/ug7gc2naUGY ■ Support file format - PDF - zip, rar (comic archive)
Latest release
What’s New
- Support iOS 15 / iPadOS 15. - Fix bugs. - Update external libraries.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 23, 2026 · 7:51 PM Free
Screenshots
