In version 4, the user experience and user interface have been improve with additional options such as minimizing the alert window to postpone the decision whether to allow or deny the connection. The Research Assistant helps to decide whether the connection should allow or denied. As in version 3 of Little Snitch, a simplified connection alert reveals connection attempts in a compact and easily comprehensible way.A zoomable traffic diagram shows data amounts within the past 60 minutes for detailed real-time analysis and retroactive analysis of the total data amounts or data amounts of individual applications. On top of a world map, the Network Monitor displays an animated overlay with all connections. The completely redesigned Network Monitor shows and stores detailed records of the latest network activities and their respective geographic origin.

Version 4 of Little Snitch, which has evolved into one of the most popular software applications in the field of privacy for the Mac, has some innovative features to offer:

Little snitch for mac os sierra