Area Calculator for CommCare is a free Android utility tool developed by Dimagi Inc. that allows users to calculate the area of a surface by tracing its perimeter using GPS. The app is designed to integrate with forms built on CommCareHQ for the CommCareODK mobile platform, making it a useful tool for surveyors who need to collect data in the field.

Using the app is simple and straightforward. After tracing the perimeter of the area, the app will display the calculated area in square meters or square feet. The resulting data can then be used in surveys and other data collection activities.

One of the best things about Area Calculator for CommCare is that it is open source, meaning that users can access and modify the source code on Github. This makes it a versatile tool that can be adapted to suit the specific needs of different users.