If you carry a few rewards cards, you have probably tapped the wrong one more than you’d like. Running the numbers on every purchase, after caps and fees, is more effort than anyone wants in a queue. CardMatchly does it in seconds and tells you the best card to tap before you pay, whether you ju

No one optimises every transaction, not even the people who are great at the miles game. The best card is never the same twice. The winner changes with the merchant, country, and currency. A card that wins on groceries in Singapore loses on a hotel abroad. CardMatchly does the maths for you