How to update your billing information in the new Banktivity

  1. Launch Banktivity for Mac
  2. Go to the File menu, then choose Subscription > View My Subscription
  3. On the sheet that appears, click “Manage”
  4. Then on the next screen click “Update Payment Method”
  5. Enter your new credit card information and you are done

It make take a couple of days for the billing processor to try billing your subscription against the new card.