As of 4/24/17 PokeSensor has shutdown for both iOS and Android. Full details can be found here
PokeSensor is an iOS/Android app that scans for Pokemon for the popular game Pokemon GO!
PokeSensor source code is available under the GPLv3 License at https://github.com/MrPat/PokeSensor. Check it out!
Scan any area for Pokemon in real time for FREE