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Make every payment more rewarding

Use the right card. Get more from every purchase.

Tell Koom where you're spending, and we'll show you which card in your wallet gives you the best value.

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9:41

Purchase

Café Amazon

Dining · In-store

฿1,500

Top pickBest

UOB One

Cashback

฿150

10% effective

5% cashback on dining, up to ฿500 this month.

KBank Wisdom

฿45

3%

SCB Prime

฿15

1%

Instant recommendations

Compare the cards in your wallet and find the best one for any purchase in seconds.

Made for Thailand

Thai credit cards, local merchants and promotions — with Thai and English support.

Transparent calculations

See the estimated baht value, reward caps, eligibility requirements and exclusions behind every recommendation.

How it works

  1. 1

    Pick the cards you already own — or add them to your wallet if signed in.

  2. 2

    Enter what you're buying: amount, category or merchant, and currency.

  3. 3

    See which card gives you the highest real baht value, with the math shown.

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Koom never asks for or stores your full card number, CVV or banking password.