Describe the problem:
In the Settings tab you can toggle Airdrop, forks, mining and rewards as income. I need this feature for “Loan interest” as well.
Hello!
Alex from Koinly here 
Thank you for the feedback!
We have a new feedback tracker here:
I have put this feature request on the board and you can vote on it to receive a notification when progress is made:
Have a great day!
Best regards,
Alex