A digital sanctuary for the craft of physical media collecting.

Your books, comics, and Blu-rays —organized, valued, and preserved under one roof. No messy spreadsheets, no sterile trackers.

The Archive Engine

Point your camera at any cover and Spine & Sleeve does the rest.Instant identification, pristine cover art, and rich historical metadata — pulled into a clean layout the moment you scan.Market valuation comes with The Vault.

The Collector’s Store

No need to pack up and head to eBay.List directly from your collection in a single tap — variant, condition, and pricing details generated automatically from what you've already logged.Your collection becomes your storefront

True Collected Editions Support

From rare single issues to massive, out-of-print deluxe hardcovers and signed variants.Finally, an app that bridges the gap between comic variants and ISBN book data without losing your collection in the cracks.

The Collector’s Journal

A collection isn't just a ledger; it's a history.Log custom condition text, track quick-reference smart tags (Slabbed, Signed with COA, Foxing), and write personal notes to document the real story behind every spine on your shelf.

The Shelf

FREE. Always.
The best way to start. No card required.

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  • Up to 250 items

  • Manual Entry and Cover Scan Identification.

  • Pristine Minimalist Visual Grid

  • Clean Collection View

The Vault

★ RECOMMENDED FOR SERIOUS COLLECTORS ★

£4.99 / month
(or £49.99 / year)
Founding Member Rate £39.99 / year - first 100 signups only

Best for tracking your passion, knowing your values and trading with confidence.

  • Everything in The Shelf, unlimited

  • Cover Scan with Variant Choice Grid

  • Market Valuation Engine - historical prices and live eBay demand signals

  • Full Access to The Collector's Journal

  • Smart Status Tags (Slabbed, Signed, COA etc.)

  • Gaps and In Search Of lists

  • Lifetime Price Lock for 100 Founding Members

The Archive

COMING SOON

Built for dealers, power users, and the truly obsessed.The Archive tier arrives alongside The Collector's Store — our peer-to-peer marketplace for buying and selling directly within Spine & Sleeve.When it launches, founding members of The Vault will be first in line.

  • Register below to stay informed.

Register your interest below to be kept updated and for a chance to become a founding member!Just take a few seconds to tell us in the message box below:1) What do you collect? (Comics, Books, Blu-Rays — or something else entirely?)2) What else sits on your shelves that you would like to record?

We're starting with comics, books, and Blu-Rays — physical media that deserves better than a spreadsheet.Our goal is the complete preservation of physical media culture, and future expansions will be shaped by you.To trading cards, Vinyl, and beyond.

© Spine & Sleeve 2026. Built for Curators. By a hobbyist collector.