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.
Android Built-In Wireless Utility
Android's stock wireless utility shows what Wi-Fi networks are within earshot of the device, along with basic signal strength as measured in bars. It's also the starting point for joining networks and configuring security settings. When looking for rogues or open networks, it's an easy, no-cost first stop.