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.

Recent changes:
• Reading orders: see what to read before and after a comic, and vote on them
• Home-screen widgets for your feed and new comics
• Push notifications
• Share story images of favorites, lists, stats and reviews
• Italian catalogue with Sergio Bonelli Editore
• Long filter lists narrow as you type
• Mark as read from collection tiles
• Attach a screenshot to feedback