About
Easily compare prices and calculate discounts for shopping. Determine which product is a better deal by comparing unit prices, calculating sale percentages, and factoring in points and tax. Enjoy a private, offline experience with a customizable interface.
What's New in 買い物電卓 おトク比較をかんたんに！
1.3.0
September 4, 2026
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。
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FAQ
What is かんたん買い物 used for?
かんたん買い物 is a shopping comparison calculator that helps you determine the best deals. It allows you to compare unit prices, calculate sale discounts, factor in reward points, and convert prices between tax-inclusive and tax-exclusive formats.
Can かんたん買い物 compare items with different quantities?
Yes, かんたん買い物 allows you to compare unit prices for products with different content amounts. Simply tap to compare the price difference, making it easy to see which option offers better value.
How does かんたん買い物 calculate discounts?
When you input a sale percentage (e.g., 30% off), かんたん買い物 instantly shows you how much money you will save. This helps you quickly understand the actual monetary benefit of a sale.
Does かんたん買い物 help with point calculations?
Yes, かんたん買い物 can calculate the reward amount and the effective price after points are factored in with a single tap. This provides a clearer picture of the final cost.
Is かんたん買い物 private and secure?
Yes, かんたん買い物 is completely offline. All input data is stored only on your device, ensuring your privacy and security. No data is transmitted externally.
Can I customize the look of かんたん買い物?
Yes, you can change the theme color to your preferred shade to enhance your mood while using the app. More customization options are planned for future updates.
What devices does かんたん買い物 support?
かんたん買い物 is available for iPhone, iPad, and iPod. It is designed to work seamlessly across these Apple devices.
How often is かんたん買い物 updated?
The latest version, 1.2.0, was released on May 30, 2025, indicating recent development activity. The app was initially released on May 16, 2025.