買い物電卓 おトク比較をかんたんに！

SO-KUMA Labs

About this app

This is a shopping-specific comparison calculator that lets you easily find out "which is the better deal?" with simple operation.

✓ Unit Price Comparison
Compare price differences for products with different quantities with just a tap.

✓ Shopping Cart Function
Manage product quantities all in one place and edit saved carts later.

✓ Discount Check
Instantly check "how much you save" with a sale's % off.

✓ Point Calculation
Easily calculate the reward amount and effective price.

✓ Tax-Inclusive/Tax-Exclusive Conversion
Even for products with "+tax" indicated, you can instantly check the total payment amount.

✓ Custom Keyboard
Smooth number input makes it convenient for calculations while shopping.

✓ Pin Favorite Features
You can pin your favorite features (e.g., "Which is the better deal?" screen) to the initial screen the next time you launch the app.

✓ Theme Color Change
Change the theme color to your liking and use it with a screen you prefer.

✓ Fully Offline
Input data is handled on the device, so you can use it with peace of mind.

Recommended for shopping, saving money, and managing household finances.

We help you find the cheapest options at supermarkets, drugstores, and online retailers.

What’s new

ご要望をいただいていた単価比較画面の操作性を改善しました。

・お気に入りの機能（例：「どっちがおトク？」画面）を、次回起動時の最初の画面に固定できるようにしました。
・単価比較の入力フローとテンキーを見直し、より入力しやすくしました。
・カゴ機能を追加し、商品の数量を管理したり、名前を付けて保存したカゴをあとから編集したりできるようにしました。