iNetwork Test is an iPhone app that can measure the speed of the network that you're connected to. It store the last 10 results and the data can be stored on iNetworkTest.com.
What's new in iNetwork Test
Version 1.0.3:
Overall stability of the application is greatly improved
Forces a network refresh on start up
Disables 'Start Test' button until an IP address has been found
Clear button hidden when the results are cleared.
Network test now acquires a more accurate location.
Random crash at application start up when retrieving IP address now fixed.