どっちが安い？ -お買い物専用計算機-

"Which is Cheaper?" app for instant unit price calculations and price comparisons

"I thought the larger size was cheaper, but it turned out to be more expensive..."

This app is designed specifically to help you avoid those mistakes.

Simply enter the price and volume (g, ml, or quantity) to automatically calculate the unit price per 100g or per unit.
You can quickly determine which product offers the best value for money.

Key Features
■ Unit Price Calculation (g, ml, and quantity)

Supports gram, milliliter, and quantity calculations.
Accurately compare prices of products of different sizes.

■ Specific Gravity Setting Function

Supports liquids and powders, such as soy sauce, oil, detergent, and flour.
By setting the specific gravity, you can accurately convert and compare ml and g units.

■ Price Comparison of Refills vs. Bottles

Check numerically whether oversized packs and refills are truly cheaper.
Perfect for making bulk purchase decisions.

■ Compare Multiple Products at Once

Compare unit prices for multiple products, such as A, B, and C, at the same time.
Automatically highlight the lowest-priced product.

Recommended for:

- Those who are unsure which is cheaper at the supermarket
- ​​Those who want to calculate the unit price per 100g
- Those who want to check the cost-effectiveness of refill products at the drugstore
- Those who buy in bulk at Costco or Gyomu Super
- Those who are concerned with saving money and managing their household finances

What You Can Do with This App

✔ Unit Price Calculation
✔ Gram Calculation
✔ Milliliter Conversion
✔ Price Comparison
✔ Cost-Effectiveness Assessment

Small savings in everyday shopping can add up to big savings over the course of a year.

Download now and
start your "no-loss shopping" lifestyle.