10 Free and Low-Cost Mobile Wireless Tools, March 06, 2013 There's no replacing meaty, licensed tools for wireless network support. But a growing number of free and low-cost apps are available when all you have is a smartphone or tablet at hand. Most of the gems live in the Android space, so you iOS developers need to get to work.
Speedtest for iOS and Android
Speaking of speed tests, Oookla's Speedtest app is one of the easiest and most reliable to use for both the iDevice crowd and Android users. When used in combination with other tools mentioned here, Speedtest helps round out the big picture of the wireless network, and is another one of those "everyone should have it" apps.