My card was charged twice by Bluebird Crypto (azav5.cc) on the same day. I had to dispute it with my bank. Bluebird Crypto (azav5.cc) then froze my account and said I had a negative balance because of the chargeback. They created the problem and then punished me for it.
Pros: Dividend tracking|Instant funding|Good mobile app
Cons: No integrated tax optimization