To use the same purchase across devices, you need to register your purchase through an email address. Registration is a simple and password-less process and won’t take more than a minute. Seconds only, if you choose to Sign-in with Apple (iOS) or Sign-in with Google.
You should first register on the device from which you have purchased Enpass.
Once you have successfully registered using the steps mentioned here, you can continue the same process of registration on your other devices. Make sure that you use the same registered email address which you have used previously. You can also refer to the confirmation email sent to your registered email at the time of first registration. For any help, please drop us a line at firstname.lastname@example.org and purchase receipt from the app store.