Book Identifier vs OpenSub

Snap a photo of any title and instantly uncover everything about it — from author and publisher to estimated market value and rarity assessment. INTELLIGENT RECOGNITION Point your camera at any cover or spine. Advanced AI analyzes visible text, typography, publisher logos, and edition markers to deliver a comprehensive breakdown in seconds. COLLECTOR'S COMPANION Wondering what that dusty hardcover is worth? Every scan includes a detailed appraisal with estimated value range, rarity rating, condition assessment, and preservation tips tailored for serious collectors and casual enthusiasts alike. DEEP INSIGHTS ON EVERY SCAN Each result reveals: - Full title, author, and publication details - ISBN, publisher, and edition information - Genre classification and target audience - Physical condition evaluation - Historical and cultural significance - Similar recommendations to explore next YOUR PERSONAL CATALOG Every title you scan is saved to your private collection. Sort by recency, title, or author. Track how many unique authors and genres you've explored over time. COMMUNITY STACKS Browse what others have discovered. Search the growing community archive by title, author, or ISBN to find detailed breakdowns without scanning yourself. BUILT FOR BIBLIOPHILES Whether you're hunting for rare first editions at estate sales, managing a growing home collection, or simply curious about a title on your shelf — this is the fastest way to go from cover to comprehensive knowledge. Download now and turn every volume into a story worth knowing.

OpenSub turns your recurring bills into a clear, tactile receipt—so you actually see what you pay for. Designed for people who cancel trials on time and hate surprise renewals. Add subscriptions in seconds, switch between active and archived “tickets,” and open Analysis when you want the blunt numbers—or a little roast. WHAT YOU GET • Renewal and trial reminders you can tune in Settings • Auto-import from App Store links and quick logo lookup for websites • Spending views and shareable receipt-style summaries—save a snapshot to Photos when you want a record • Archive and lifecycle-friendly details for subscriptions you’ve ended • Appearance options and receipt branding for shares you’re proud of YOUR DATA OpenSub is built for local-first use on your iPhone (and iPad where supported). Your list stays yours. If you’re ready to stop guessing what hits your card each month, print your subscriptions with OpenSub.