Stop wasting money

Never buy the same volume twice.

Standing in the manga aisle, trying to remember which volumes you already own? Manga Vault scans barcodes in real-time and warns you before you check out.

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Sound familiar?

"I bought a duplicate again."

Every collector has been there. The volumes blur together. Spreadsheets are at home. The receipt says you spent $14 on a book you already own.

You can't remember every volume

Once your collection passes 100 volumes, your memory becomes unreliable. Especially across long-running series.

Manga Vault
Your full collection lives in your pocket. Always up to date.

Spreadsheets are stuck on your laptop

You're at Barnes & Noble. Your tracker is in a Google Sheet at home. Now what?

Manga Vault
Mobile-first. Scan in the aisle. Always with you.

Manga editions confuse everyone

Berserk Vol. 7 and Berserk Deluxe Vol. 3 cover the same story but are different products. Easy to double-buy.

Manga Vault
Edition-aware tracking. Standard, Omnibus, Deluxe, Box Set — all distinct.

Duplicates add up

$14 here, $20 there. Three duplicates a year is a missing volume of something else. Or two trade paperbacks.

Manga Vault
CLZ users have reported the duplicate alerts saving them $100+ per year.
How it works

Know before you buy.

01

Pick up the volume.

You're at the bookstore, shelf, or convention. You spot a volume you might already own. Open Manga Vault.

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02

Scan the barcode.

Point your camera at the ISBN. Recognition happens in under 2 seconds. The app cross-references your owned collection.

03

Get the answer.

An instant alert if you already own it — with the date you added it. Decision made in five seconds.

Stop buying duplicates

Stop buying duplicates.

Be first to try the duplicate-prevention scanner that pays for itself.