I was skeptical but it's genuinely helpful.
Has slimmed down my wallet and the go back in time feature's really handy. It's also really useful to be able to leave all my cards in the hotel safe when I'm abroad, so if I lose the Curve card I still have access to my accounts.
If you want to give it a try, you can jump the queue and get a £5 credit by using the code W4Z2E