Download Kroo.Enjoy the perks of a current account that pays interest like a savings account.4.35% AER* interest for you. 1 million trees for the planet**.With a Kroo current account, you’ll earn *4.35% AER / 4.27% Gross (variable) interest on your current account balance up to £500,000. FSCS deposit protection is limited to up to £85,000.**Kroo is aiming to plant 1 million trees by 2024. We currently plant 2 trees for every new customer that joins Kroo.