Buy-Bye No More Waste

The pantry tracker that roasts you before things expire. Four tones, four characters, all on-device. Stop forgetting what you bought.

How many of the things you bought have you actually finished?

Buy-Bye is an inventory app for everything you've bought and forgotten. It's not just an expiration reminder — it'll roast you, comfort you, or coolly report the numbers, depending on which of four voices you choose to live with.

Why we made this

The skincare in the corner of your shelf. The pantry stuff you'll "definitely use this week." The half-finished bottle of olive oil from last winter. You buy with optimism; you forget just as fast.

We didn't build Buy-Bye to be another reminder. We built it so you can have a conversation with your own buying habits. Every item ages, gets a nudge, and eventually says its goodbye.

What you can do

• Snap a package photo — auto-fills name and expiration date • Scan a barcode — pulls product info from OpenFoodFacts • Morning / evening routines with streak tracking • Waste log — see how much you've actually thrown away in cash • Per-item view: days left, days since opened, expected uses • Custom categories and per-item replacement cycles • Local notifications before things expire (timing customisable)

Four voices, four characters

Pick one, and it sets the voice for everything:

• Sharp: "babe, no. you literally just bought one." • Gentle: "don't worry, we'll get through them one by one." • Calm: "12 items. 3 expiring within 7 days." • Cute: "the little ones are waiting for you."

Each character has its own art, expressions, and idle / walk / sleep / celebrate animations. Your cupboard now has residents.

Fully on-device

Buy-Bye collects no data. No account, no cloud, no tracking, no ads, no analytics SDK.

Everything you enter lives only on your phone. Package photos are processed by your device's built-in ML Kit / Vision — they're never uploaded.

See in-app Settings or our Privacy Policy for full details.

Three languages

Traditional Chinese / English / Japanese — switch live in Settings.

Buy-Bye is the first product from Sumine Town (隅眠町), an IP line by Nookori Works (小隅作室).