Most publishing platforms have a way to do that (application testers for ay store, htaccess for website, password for itch.io)
You can look into firebase analytics. To test it see Is Firebase possible? and if...How? - #2 by arthuro555
Most publishing platforms have a way to do that (application testers for ay store, htaccess for website, password for itch.io)
You can look into firebase analytics. To test it see Is Firebase possible? and if...How? - #2 by arthuro555