Well , i know apple is too much restricted in software ,also i used to have before a wifi sniffer from app store but then apple remove them .. anyway if you like your iphone and ipad . and want a wifi analyzer
http://www.oscium.com has the answer . u need to order their dongle , and download their app “free ” …. coool … personally i like the android one but i need to buy android device ..does it worth it ?