About this app
4000 Essential English Words book 3
Latest release
What’s New
Version 2.0
Jan 6, 2025
The page has been redesigned and the function of exporting Pdf has been added.
Audience growth
Ratings growth
7-day gain
+0
Ratings / day
0.0
30-day gain
+0
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
Current
$0.99
Historical low
USD 0.99
Paid → free
0×
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 21, 2026 · 11:09 PM $0.99
Screenshots
