You need to have a Windows Phone 8 or higher device (Our app does't support Windows Phone 7.x).
You need to have a Microsoft ID signed in your device.
That's it! Now if you are interested in helping us then we have a form below for you. Enroll yourself for the program and help us. For now we don't have much difference between the Public and Beta Apps but trust us their is more to come especially for users on Windows Phone 8.1 and above.
Fill the form HERE.
Note: The Beta App is absolutely free and contains no ads. You don't need to pay extra for it.