I do wish there was a distinction between the freemium app types. I'm okay with demoware (first level free, pay to unlock the rest) but I hate the buy coins eve

I do wish there was a distinction between the freemium app types. I'm okay with demoware (first level free, pay to unlock the rest) but I hate the buy coins every day model. Maybe in-app purchase can be categorized as one-time or recurring?