WiFi Map - A crowdsourced list of routers and passwords
My Data Manager - Description Take control of your mobile data and save money on your mobile phone bill!
WifiMapper - Find free WiFi anywhere in the world
Data Usage - Data Usage Monitor | Your guard against data plan overages.
Café Wifi Search 🔍 - Find great cafés to work from, worldwide.
NetCounter - NetCounter is a simple network traffic counter for EDGE/3G and Wi-Fi. It shows your data usage.