CardWize - クレカ還元率ナビ

Synapse Arrows PTE. LTD.

About this app

Do you ever find yourself wondering, "Which card is the most advantageous?" every time you pay?

CardWize is an app that instantly determines the best payment method for each store and category, based on reward rate data from over 222 major credit cards, QR payment services, and e-money services across Japan. It displays the best card for that store and instantly shows which of your existing cards offers the best deal.

■ Main Features ■

◎ Store Search
Simply enter the store name (e.g., Seven-Eleven, Aeon, Amazon) to display the best card from your collection. Comparisons include QR payments and e-money.

◎ Annual Loss Diagnosis
Simply register your cards to calculate how much you're losing annually in each category. Includes actionable suggestions for improvement.

◎ Card Decluttering Diagnosis
Detects cards that aren't optimal in any category. Visualizes wasted annual fees.

◎ Point Calendar
Manage point multiplier days such as Rakuten 0 and 5 days, Aeon Appreciation Day, and Welcia Day on a calendar.

◎ Family Card Management
Manage not only your own cards, but also those of your spouse, children, and parents. Optimize your entire family's spending.

◎ Mileage Conversion Simulation
Automatically calculates the annual number of miles earned with mileage exchange-compatible cards and the number of domestic and international flights.

◎ Spending Customization
Adjust monthly spending by category to suit your lifestyle. For more accurate results.

◎ Nearby Deals
Displays deals around your current location using GPS.

■ Recommended for: ■
・Those with two or more credit cards
・Those who want to start earning points
・Those considering reviewing annual fees
・Those who want to optimize cards for the entire family

■ CardWize Features: ■
✓ Registration and usage are completely free
✓ No payment information such as card numbers is collected
✓ Supports over 222 major domestic cards
✓ Optimization including QR payments and electronic money

* Reward rate data is based on publicly available information. Please check the latest terms and conditions of each card company on their official website.

Developed by: Synapse Arrows PTE. LTD.