SurveyCTO
SurveyCTO is a powerful, reliable, easy-to-use survey platform that allows you to collect, transport, and process data for academic research, M&E, mHealth, market research, and more. It is a fully integrated tool that includes a powerful and offline-capable Android data-collection app, a hosted server with user management and two-way data sync, and a desktop client for downloading and exporting data into multiple formats. The service even comes with responsive, round the clock customer and technical support. It's free to try: just create an account and you're ready to go.