your job is to download the benchmark app for IPhone
[url removed, login to view]
and copy the content and create a new dynamic app including in App purchase and speedometer-function (checking speed of movement of mobile device) for IPhone and IPad and then adapted to Android. layout will be provided as you need it. eg eps file.
let me know
a) the time you need to complete this project
b) your realistic price. note: no upfront payment. payment of 60% will be made when app is working with minor bugs to fix. rest will be paid when bugs are fixed and sourcecode delivered.
c) references of apps you made.