New Tool
Multi-Card Stack Optimizer
Pick 2–4 cards and enter your monthly spend. We'll calculate which card to use where for maximum annual rewards.
Pick Your Cards
Select 2–4 cards you own or are considering
Monthly Spending
Enter how much you spend in each category per month
$
$
$
$
$
$
Total monthly spend$1,230/mo
Optimized Stack Results
Annual cashback
$295
Annual fees
$0
Net annual value
+$295
Using KAST Card alone earns $0 more/year
Best card to use per category based on your selection
Everyday & GroceriesKAST Card+$120/yr
Online ShoppingKAST Card+$48/yr
Dining & RestaurantsKAST Card+$36/yr
Travel & FlightsKAST Card+$24/yr
Fuel & TransportKAST Card+$19/yr
Other / GeneralKAST Card+$48/yr
KAST CardPrimary
2% cashback · Free
+$295/year
Everyday & GroceriesOnline ShoppingDining & RestaurantsTravel & FlightsFuel & TransportOther / General
RedotPay Card
0% cashback · Free
+$0/year
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