All of the functions are configurable so, for example, for ping you can set the payload size, send interval and TTL. My only complaint is that iThings all deliver fantastic graphics so the addition of some graphs and a more creative user interface would be a good idea.
IT Tools gets a rating of 3 out 5.
My final pick is a free graphical traceroute tool called Vtrace by Vlad Alexa. This tool displays results on a Google Maps map as "pins" connected by lines that are color-coded according to the link's latency.
I tracerouted Wikipedia.com and discovered that, from Ventura my traffic goes to Buena Park near Los Angeles, then to Plum Groove, Kan., then Tampa, Fla., then to San Francisco. A round trip of several thousand miles to go a few hundred miles as the crow flies. Who knew?
Anyway, VTrace is a fine tool you'll want on your iThing and I'm giving it a rating of 5 out of 5.
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