Is it possible to program a phone app to only run on one device?

Question

Mobile development

Is it possible to program a phone app to only run on one device?
Those. a person bought the application, launched it, got acquainted, he liked it and he decided to throw it off to everyone in a row!
Is it possible to lock it cleanly for only one phone! So that on other devices it runs only in trial mode? Those. issued a message about the purchase of this.

Answer 1

I don’t know how in IOS, but on android there is such a thing as a “subscription” (temporary or permanent). Accordingly, you sell a subscription in the application, and when it starts, it checks that it exists. Of the minuses - a subscription applies to an account in the market (that is, you bought it and you have it on all devices from which you logged into this account), and not to one device.

Answer 2

if the application is through Google Play - then for such things you can have a bunch of minuses there precisely because the user expects that if he bought the application - then he can use (have you often met otherwise?)
A more correct option is to use Google's regular tools to check that that the application was purchased - https://developer.android.com/google/play/licensin...
yes, this means that all devices on the account will be able to use it, but the account usually does not fumble,
so if the application is not distributed through Google Play, then you can already thinking about such things
on iOS ... the user simply won’t be able to copy the application (the exception is a jailbreak, it (or hacks with enterprise certificates) will be required for installation)