Budget is of course an important consideration in any mobile health project.
Dimagi has developed a Total Cost of Ownership Model tool to help organizations estimate the total cost of adopting CommCare or other mobile technologies for their community health workers or other mobile users. This tool provides a budget for adopting CommCare over the next five years. This is meant to provide a concrete example for planning but is still very much a work in progress. Feel free to change the inputs and play with the model.
Details on pricing for Dimagi can be found on CommCareHQ here.