From the day you buy it to the day it's built.

Your backlog count and spending, at a glance

Scan a barcode to log a kit, then organize it with statuses, tags and notes. A model kit backlog manager you can look back on anytime.

Sound familiar?

I can't tell how many kits I've piled up
I bought the same kit again
I want to keep a record of what I've built
I don't want to miss new releases

Tsumina is where your backlog lives.

What you can do with Tsumina

Register by barcode

Scan with the camera and matching products show up. You can also search by name, or enter a kit by hand when it can't be found.

Sort by status, tag and note

Tell Wishlist, Stock, Building and Completed apart by color. Filter freely, and change statuses and tags in bulk.

See it all in a grid

Switch between list and grid, and sort by date added, purchase date or price. Take in the whole pile at a glance.

Backlog Report

Total kits, total owned and total spent, with a breakdown by status and trends over time. Share it as an image.

New releases

Browse new releases by category. Put the kits you're curious about on your Wishlist.

News

Read hobby news and don't miss what interests you.

And more

Barcode scan
Search by name
Manual entry
Photos and comments
Tags and notes
Filter and sort
Bulk status and tag changes
Backlog Report
New releases
News

Free to start

The free plan has a limit on registered kits and keeps one photo per kit. Premium removes ads and the limit, and allows up to three photos. First-time subscribers get the monthly plan free for two weeks.