About this app
A simple reading list for the avid reader. Stacks is a delightfully easy way to keep track of the books you want to read and the books you have enjoyed. • Browsing at the bookstore? Scan a book's barcode to quickly add it to your list. • When you're ready to start reading, link to buy the book on iBooks, Amazon, or Barnes & Noble.
Latest release
What’s New
• Support for Dark Mode • Minor tweaks and bug fixes
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 30, 2026 · 1:39 PM Free
Screenshots
