i use blockfolio to track my portofolio and i like it, also i did not have any issue with the app 
and mostly i like with the alert,
so when the price is spike to my setup price the app will told me with the alert
and mostly i like with the alert,
so when the price is spike to my setup price the app will told me with the alert
how many coins ur portfolio do you have? when i add a lot of altoins my blockfolio is becoming inconvenient. after that i was started used fintab.io Do you know this service?