Best collection & inventory apps with no subscription, 2026

Collection apps are a strange place to find subscriptions, and yet most of the big ones have them: a monthly fee to catalogue the things you already own, usually justified by a price-guide feed or a cloud backup. The catalogue itself is the part that matters, and a catalogue is just a list with photos.

This category is the studio's largest. Trading cards, coins from roll hunting, vinyl, sneakers, fountain pens and inks, watches, hot sauce, blind-box figures, LEGO, board games, yarn stashes and sewing patterns, film rolls, aquarium tanks, houseplants, bees. Each app is built around what that specific hobby needs to record (a card's set number and condition, a yarn's dye lot, a roll's push/pull, a hive's queen year) rather than a generic "item" with a name field.

What you do not get is a live market price next to every item or a shared collection page on the web. What you get is a catalogue that costs nothing per month, works in the basement with no signal, and stays yours if the app is ever gone.