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I want to release a trial version of my Android App that can only run for a fixed number of days before it disables itself. What techniques could be used that would provide reasonable protection and achieve this?
I am hoping to avoid the need for a licensing server. But if I do need one does anyone know of any open source license servers that they would recommend. If not open source then any that are reasonably priced?
Thank you for your kind response
Android makes it pretty hard to reliably resist pirating. You basically can’t trust the device, pretty much need to have a call on startup to your server with the unique ID that authorizes or rejects the user. If most of the functionality relies on some server of yours, then you can make the app much more resistant to pirating by requiring a valid device ID on startup to get some sort of auth token, which your other RPCs can then use to authenticate the app.