The app is clunky, slow, and looks like something from the 90s. Just logging in takes an average of 10-15 seconds. The credit card is serviced by Elan, who is awful, but aside from that, the UX is abysmal. It feels like it redirects no less than 8 times to get to the credit card page. My phone won't even load it, so I have to do it on my computer.
It's so frustrating to me because I feel like they're 90% of the way there and just need a bit of UX work. But I've had that feeling for years now, with no real progress made, so am slowly moving away. If you don't touch your money often, it's probably fine - great even, but it became too frustrating for me in the end as an everyday use account.