During a hearing, US senators were told Apple and Google “hold data hostage” with their platform rules.

The two largest mobile platform-holders are under scrutiny from the Senate anti-trust committee and smaller companies such as Spotify, Tile, and Tinder-owner Match have been airing their grievances.

Kirsten Daru, Tile's General Counsel, said: "We welcome competition but it has to be fair competition and Apple's idea of competing is patently...