"We'll be removing Jetpac's apps from the App Store in the coming days, and ending support for them on 9/15," stated a posting on JetPac's homepage.

San Francisco-based JetPac has created a mobile application that uses pictures from various social networking sites to create city guides.

Earlier this year, Google bought Nest Labs Inc, which makes smart thermostat and smoke alarms, for $3.2 billion (£1.92 billion), making the deal one of the largest in Google's history.

Google was not available for comment outside of normal business hours.

(Reporting By Tanvi Mehta in Bangalore; Editing by Ken Wills)