That's kind of telling in itself to be honest. Services for most people these days mean subscription (or some kind of recurring cost). The nature of the overwhelming majority of businesses means they will be looking to increase profits. One extremely common way is to degrade the service you provide slightly. Increasing ads, lowering quality, etc.

One of the only exceptions I would say is Steam. But people could argue that Steam isn't a true service because it's closer to a store front, at that point you're arguing semantics though.

There's also self hosting a service to consider? How would that count in this instance. I self host a few things like nextcloud, Plex, and others. Yes it's still a program and technically a service as well?