Fing - Network Scanner is an iPhone application developed by Fing Limited. It is a free, easy-to-use, and powerful tool that helps millions of users worldwide to ensure their network security. The app has a user-friendly interface that allows users to scan their WiFi or LAN network and discover all devices connected to it. With Fing, users can get the most accurate device recognition of IP address, MAC address, device name, model, vendor, and manufacturer.

The app offers advanced features such as NetBIOS, UPnP, SNMP, and Bonjour names, properties, and device types analysis, port scanning, device ping, traceroute, and DNS lookup. Moreover, Fing provides network security and device alerts to user's phone and email, which helps them to block intruders and unknown devices automatically before they join the network. Fing also provides internet speed tests, download speed and upload speed analysis, and latency analysis. In addition, it offers features such as internet outages in the user's area, ISP ratings, reviews, and speed statistics.