BookSylo
Book rank & rating alerts
About
This app monitors your book's public Amazon pages for changes in ratings, rank, price, and bestseller status. It provides detailed alerts and campaign tracking to help authors understand their book's performance without needing Amazon login credentials.
What's New in BookSylo
1.2.4
November 6, 2026
Get rank alerts only for the moves that matter: choose Moderate lift (5%+) or Notable lift (20%+) for all your books, one book, or a single category. Also in this update: • Filter Activity by kind and by the size of a rank move • Set every category's rank alerts from one compact row • Rating alerts mark milestones like your 100th rating • Light haptic feedback and better support for large text • Clearer Add Book wording and a Free vs Pro overview in Profile
MoreSubscriptions & In-App Purchases
BookSylo Pro
Track your whole catalog, every edition.
FAQ
What is BookSylo?
BookSylo is an app designed for authors to track their book's public Amazon performance. It alerts you to changes in ratings, rank, price, and bestseller status, helping you stay informed without constant manual checking.
Does BookSylo require an Amazon login?
No, BookSylo does not require any Amazon login credentials. It only accesses publicly available Amazon information, ensuring your account remains secure.
What specific metrics does BookSylo track?
BookSylo tracks rating changes, store and category rank movement, bestseller badges, price fluctuations, and listing health (when an edition is available or unavailable).
Can I track multiple books and editions with BookSylo?
The free version allows tracking of one Amazon ASIN (one edition of one book in one marketplace). The paid 'BookSylo Pro' subscription likely offers expanded tracking capabilities for a larger catalog.
How does BookSylo handle alerts?
Alerts are delivered with specific numbers, such as 'now at 48 ratings (+1)', rather than generic notifications. You can customize per-category thresholds, set quiet hours, and opt for daily summaries.
What is a 'Campaign' in BookSylo?
A Campaign allows you to track changes in your book's public Amazon signals during specific promotional periods, like price drops or ad pushes. It helps you analyze performance by comparing metrics before and during the campaign.
What are the pricing details for BookSylo?
BookSylo offers a free tier for tracking one book. A 'BookSylo Pro' subscription is available for $5.99 per month, which includes a 14-day free trial.
Is BookSylo available on all devices?
Based on the data, BookSylo is supported on iPhone, iPad, and iPod devices, indicating it is an iOS application.
