For vintage book hunters & resellers
BookScore is a pocket research assistant for used bookstore browsers — scan a barcode or snap a photo, get instant pricing, edition details, and everything you need to decide in seconds.
What it does
Barcode, photo, or manual ISBN. BookScore identifies the specific edition and printing — not just the title — using cover, spine, and copyright page signals.
Actual eBay sold listings by condition. Median, range, and comp count — what buyers actually paid, not what sellers are asking.
Build your target list before you go in. Sorted by genre and author last name — the same way bookstore shelves are organized.
Recognize an author but can't place them? Instant shelf briefs — top works, why they matter, what editions to look for. Works offline after first lookup.
One tap generates eBay and Whatnot listings — title, description, suggested price — formatted to platform rules and ready to post.
Track what you own, what you paid, and where it came from. Batch purchases, allocate shipping, and see your spend over time.
Who it's for
BookScore was built by a vintage book hunter, for vintage book hunters. Whether you're building a personal collection or running a resale business, the goal is the same: less guessing, more good books.
The Hobbyist Collector
You browse for the pleasure of it. You care about first editions and notable printings. BookScore helps you spot what's actually significant on a crowded shelf.
The Weekend Picker
You sell casually on eBay or Whatnot. You want to know quickly whether something is worth $4 — and what to charge when it is.
The Active Reseller
Used books are part of your income. You need batch tracking, listing generation, inventory management, and data that helps you buy smarter over time.
How it works
Scan
Barcode, photo, or ISBN — however you prefer to identify a book.
Analyze
Edition ID, confidence score, and eBay pricing — all on one screen.
Decide
Buy it, save it for later, or skip it. No second-guessing.
Inventory
Add to your collection or resale inventory with one tap.
List & Sell
Generate a ready-to-post eBay or Whatnot listing instantly.
Pricing
Free
forever
Get a feel for the app. No credit card required.
Collector
per month
For hobbyists building a personal collection.
Reseller
per month
For active sellers on eBay and Whatnot.
Pro
per month
For full-time pickers and high-volume resellers.
Questions
Yes. Enter an ISBN manually, search by title and author, or photograph the cover and spine. BookScore uses multiple signals to identify books — including vintage paperbacks that predate ISBN systems.
Very good when you photograph the copyright page. BookScore reads number lines, printing statements, and edition notes to distinguish a first printing from a later one — which matters enormously for value. Each result includes a confidence score so you always know how certain the identification is.
Sold listings on eBay, filtered by condition and refreshed every 24 hours. You see what buyers actually paid — median, average, and comp count — not just what sellers are asking.
Advisor Mode works offline after first lookup — author profiles are cached locally on your device. Scanning and pricing require a data connection. Most bookstores have reasonable signal, but worth keeping in mind for basement sales and rural shops.
Primarily vintage science fiction and fantasy, with strong coverage of horror, philosophy, mythology, literary fiction, mystery, and classics. The Advisor knowledge base includes 220+ pre-loaded authors across these genres and grows automatically as you use the app.
No download needed. BookScore is a Progressive Web App. Visit bookscore.app in Safari on iPhone, tap "Add to Home Screen," and it works exactly like a native app — on iPhone, Android, or desktop. No App Store required.
Yes — the Free tier gives you 20 scans per month, full Hunt List access, and Advisor Mode, indefinitely. No credit card required. Upgrade only when you want eBay pricing data and listing generation.
Free to try. No credit card. Useful in your first five minutes.
Get started free