Blockfolio if you want to cover price update from data on coinmarketcap and coingecko.
But Im just using coinmarketcap app that covers already many exchange. Im not literally importing my account but just relying on free portfolio asset management that relies data feed averagely on different exchanges of the coin or tokens you input.
but it doesn't support account import for probit, just direct price quotes.
Actually having an account import will see real value but doing that for price quotes is same without an account. Its just a tracker anyway, if you found it having iaccurate feeds then go to exchange directly.