Sigmatorium

Sigmatorium is a catalog and shelf for comic collectors. Search the shared catalog, keep the issues you own, save the ones you want, and see what other collectors are reading. Browse without an account. Sign in to have your own shelf. Your collection • Add comics one by one or in a batch • Rate them from 1 to 10 and write a review • Log condition, purchase price, the date you got it, and a private note • See totals, average rating, collection value, and how much you have read • Mark issues as read Wishlist • Save comics you are still looking for • Move an issue into your collection when you get it Catalog • Search by title • Filter by series, publisher, and edition • Sort by date, name, number, popularity, or rating • Hide issues you already own Community • Follow collectors and read their reviews in your feed • Like and comment on reviews • See who owns a comic and who has it on a wishlist • Browse profiles, shelf photos, and ranked lists • Check the leaderboard for top collectors, reviewers, and popular comics • Get notifications when people interact with you If a comic is missing, propose it for the catalog. The app supports light, dark, and system themes, and you can use it in Serbian, English, and several other languages. Sigmatorium does not show ads.

New in 1.0.10: • Scan a comic's cover to find it instantly • Trades: mark spare copies for trade and browse them on the new Trades screen • See how much of each series you own and add missing issues to your wishlist • A breakdown of what your collection is made of • Suggestions: what else collectors of a comic own • Mark many comics, or your whole collection, as read at once • Push notifications • Send feedback from the More menu • Shelf photos on your profile • Bug fixes and faster list loading