Android and iOS apps for magnetic sensor data

This project was awarded to vonguyen for $725 USD.

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Project Budget
$300 - $500 USD
Total Bids
Project Description

We need you to write iPhone (iOS) and Android apps to measure the location, accelerometer and magnetic data from the phone's sensor and send it to a sever at a regular polling interval or at a rate set by the user. The app should work in the background. Find way to minimize battery use. The App should also plot a map with color icons for each magnetic points (sent from the server). More details later. We would like this project to be completed as soon as possible with 10% bonus for completing it in time.

Client Features


Magnetic Bx,y,z

accelerometer x,y,z

Location GPS or Cell triangulation

and uncertainty

Device Cache

Configurable by User

Disable App

Measurement polling frequency

Location anonymity

Data to/from server


cellular and/or wifi

Measurements, Housekeeping and Results

Server communication

Send all the data to the server

By polling interval

Store data in cache if internet connection not available


Map of all users contributing (will get this from the server) : dots on map with symbols indicating:

Magnetic data intensity

Awarded to:
Skills Required

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