Imagine wishing the same for your electric bill. It would be prohibitively expensive. The same applies for most customers of paid apps. Charging a reasonable subscription allows the app to reach a broader audience and establishes a sustainable path for the creator. I am happy to pay a monthly fee ...

I want all apps like Mullvad VPN: paid with bitcoin. Account is just a random number: no email, phone number, street address, credit card etc. required.