It seems like you don’t maybe know what you’re talking about. If the service is available for free but there is a paid tier (like Twitch) then that’s still a paid tier. Just because it’s not providing the exact same features for the payment means nothing.
If they’re asking you to pay a subscription then they have a paid tier.
Having a paid tier and being a “paid service” aren’t the same thing.
It seems like you don’t maybe know what you’re talking about. If the service is available for free but there is a paid tier (like Twitch) then that’s still a paid tier. Just because it’s not providing the exact same features for the payment means nothing.