Medical apps face tougher scrutiny

Diagnostic smartphone apps are set to face tougher regulatory scrutiny under long-awaited new guidance from the US Food and Drug Administration.

In a document released Monday, the FDA said most medical-related apps posed minimal risk to the public and should not be regulated as medical devices.

However, the FDA said it intended to focus on those apps that posed a possible safety risk if they malfunctioned, such as apps that transform a phone