which Cheaper? Fast Comparison

Instant input & real-time comparison. Find which is cheaper in a flash!

"Product A or B... which one is actually the better deal?"
Solve your shopping dilemmas the moment you open the app.
【4 Core Features for Seamless Comparison】
1. Instant Input on Launch
The keyboard appears automatically the second you open the app. You can start entering prices immediately without a single extra tap.
2. Effortless One-Handed Operation
Use the "Next" button located right above the numeric keypad to switch between input fields. Complete everything with just your thumb while holding your shopping basket.
3. Real-Time Unit Price Display
No need to wait until you've finished typing. The "Price per Unit" updates with every digit you enter, allowing for an intuitive and instant comparison.
4. Manual Language Switch
You can manually switch between English and Japanese at any time, regardless of your device's language settings. This gives you full control to use the app in your preferred language.
Supports all types of measurements: Weight (g/kg), Volume (ml/L), Quantity (pcs/sheets), Length (cm/m), and more.
Make your daily shopping smarter and more cost-effective with which Cheaper?