Who is on my WiFi — An App to Check the Network


This is a nifty little Mac OS X app that both average folks as well as Network Administrators will appreciate.  If you have ever been in a position where the network suddenly got slow and you wondered if possibly someone else was using your WiFi, then this is the app for you.

Created by IO3O LLC, the Who Is On My WiFi app shows you all of the devices that are currently using the network.  The app runs by doing in initial scan of your network.  Upon completion, it will give you a list of all of the iP’s and devices using those IP’s on your network.  Further scans would show any addition devices.

While it is nice to know if there is any unauthorized traffic on a network, this tool would be even more useful if it had the ability to block those unauthorized users.  However, at this time, the tool is just an informational tool.

You can download the app for free from the Apple iTunes store at:


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About the Author

Bill Martens

A.P.P.L.E. Chairman of the Board and Club president -- Bill worked for the founder, Val J. Golding and A.P.P.L.E. from 1981 to 1982. In 1999, he began archiving the materials which were distributed and sold by A.P.P.L.E.. That project led to the group that remained of A.P.P.L.E. Bill was involved in the financial industry in Tokyo and has over 20 major office infrastructure projects to his name. In March 2001, he retired to write books and to spend more time pursuing personal interests. As the president of the users group, Bill is in charge of distribution of Call-A.P.P.L.E. magazine as well as the organization of this web site. Bill currently resides in Tokyo, Japan and Shelton, Wa splitting time between the places.