TrackBee is a free survey application available for Android users. Developed by Frametrics Consulting Pvt Ltd, it is a powerful tool for conducting surveys, both online and offline. It has an interactive UI and supports over 20 types of questions including Textbox, dropdown, text area, Matrix type questions, Likert, semantic differential, Constant sum, rank order, NPS, Customer Effort Score, etc.

One of the best features of TrackBee is its auto-sync functionality, which allows for seamless synchronization of responses when an internet connection is available. The app is fully dynamic and can sync questions from the backend. It also has a test mode that allows users to test the survey on their mobile devices. Additionally, TrackBee has GPS tracking, branching, and skip logic (inter-block & intra-block), and inbuilt response validation, making it a comprehensive survey application.