Review & rating alerts
Get notified when new reviews land or your rating shifts.
Public Amazon signal tracking for authors
Track your book's public Amazon momentum.
BookSylo monitors public Amazon signals for your books and highlights the changes that matter, so you do not have to keep checking manually.
Available on Android Available on iOS Soon
BookSylo Book pulse
Active Tracked title The Quiet Launch
Reviews +1
Rating 4.7
Rank Moving
Meaningful change New review detected
Review, rating, rank, price, badge, and milestone updates in one calm place.
Badges Watching
Summary Daily
01
Track public Amazon signals such as reviews, ratings, rank, price, and badges.
02
See what changed at a glance.
03
Get notified when meaningful changes happen.
Features
Less repetitive checking, more useful signal.
BookSylo is built for authors who want to keep an eye on public book momentum without turning Amazon pages into a daily chore.
Ranking movement tracking
Follow rank changes over time, with configurable thresholds so small noise does not trigger alerts.
Milestone & badge tracking
Bestseller and category milestones such as entering a category Top 10.
Daily summaries & quiet-hour alerts
Digest-style updates and quiet-hour-friendly notifications that respect your time.
Fast add-book flow
Start tracking by ASIN, ISBN, or title with an optional author hint.
Notes & labels
Keep tracked books organized with private notes and labels.
Pulse-at-a-glance home
A quick, lightweight view of every tracked book's current state.
Price change watch
See public price changes alongside other meaningful book signals.
Edition grouping for Pro
Group editions of a title into one tidy Home title card.
Pricing
Simple plan boundaries.
BookSylo keeps the plan model factual.
Free
Track 1 book
The Free plan lets you track 1 book.
Pro
Track 2 or more books
The Pro plan is required to track 2 or more books and to group editions into one Home title card.
May include a 14-day free trial where available.
Trust & privacy
Public data only. No Amazon login.
No Amazon login required.
BookSylo uses public Amazon information only.
BookSylo is an independent product and is not affiliated with Amazon.
BookSylo does not store Amazon account credentials.
FAQ
Clear answers before you install.
Do I need an Amazon account or password?
No. BookSylo never asks for an Amazon login and never stores Amazon credentials.
Does BookSylo track my sales or royalties?
No. BookSylo only reads public Amazon page signals such as reviews, ratings, rank, price, and badges. It is not a sales or revenue tracker.
Is BookSylo affiliated with Amazon?
No. BookSylo is an independent product and is not affiliated with Amazon.
What does it cost?
The Free plan lets you track 1 book. The Pro plan is required to track 2 or more books and may include a 14-day free trial where available.
What data does BookSylo store?
Your tracked books, notification preferences, an optional account email, and any support diagnostics you choose to send. It does not store Amazon credentials.
Which devices are supported?
BookSylo is a mobile app for iOS and Android.
How do notifications work?
BookSylo regularly checks public Amazon pages for your tracked books, detects meaningful changes, and sends them to your device as notifications.