Hello!
I need some help with releasing my app in Google Play. My primary idea was it to release my app first for free, so that users could test and check the app for a while. Later i wanted to make it to a payable app. But the problem is, that an app, which is once for free, it could not set later to a payment app. So my first question: If I delete the whole app out of Google Play, is it possible to upload a new payment one with the same package name as the old free version?
If this is not possible, my second idea is to make a free and a payment version of my app. But my app uses the google cloud messaging (gcm)-service and i know, that an gcm-ID is, among other things, created out of the package name. If a user gets first the free version with packagename 1 and later the pro version with packagename 2, he gets another gcm-ID. Is there a way to avoid these circumstances?
I'm not sure, how to make it right. The problem of my app is, that it is not easy to administrate the app, so i don't want, that someone pays for the app, but can't use it later....