Editors' Note: The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
WifiTrak for iPhone scans for all available WiFi devices and networks in the area and tests each network it finds for usability. It shows a list of the Wifi networks sorted from most useable to least useable. It can automatically notify and launch mail, a browser, or another application when it finds a suitable network. It features network list sorted from best to worst, automatic redirection detection, automatic scanner, adjustable scan time, ability to set minimum strength, and detail display with MAC address, channel, signal strength, noise, and authentication (WEP/WPA/WPA2).