Greg Sandoval/Business Insider Unlockd, an Australian advertising startup backed by Lachlan Murdoch, has gone into administration after a battle with Google about whether its app is allowed on the Play Store. Google tried to disable Unlockd's ad content and ban its app, which lets users opt into ads and offers in exchange for rewards. Unlockd won an interim injunction this year to prevent a ban, but said the fight meant it had to cancel its IPO and that it couldn't raise replacement cash. Google has disputed Unlockd's version of events, saying the firm's app breached its policies. Google doesn't need any more scrutiny over its monopoly power right now. Australian media startup Unlockd has gone into administration after a battle with Google, which tried to disable its ad content and ban its app from the Play Store. The Unlockd app, which is backed by Rupert Murdoch's son Lachlan, lets mobile users view ads, content, and offers based on their interests in exchange for rewards.