It will analyse customer data to recommend them financial products like mortgages and loans, as well as non-financial products like gas and electric tariffs, or broadband and television packages.
The hope is that consumers will then buy the deals by clicking on them.
The app, which will be powered by financial technology firm Bud, will charge providers a fee if people click and buy, which will be split between Bud and First Direct.
Last night consumer groups said the move could revolutionize the way consumers shop around for deals, but warned that banks flogging poor deals would rapidly damage their reputation.
James Daley, director at consumer group, Fairer Finance, said: “This could really be a game changer which could take the hassle out of shopping around.