Apple doesn't allow autorenewing fees for "just apps". You have to be basically a magazine that makes episodic content the end user ends up owning. You can use

Apple doesn't allow autorenewing fees for "just apps". You have to be basically a magazine that makes episodic content the end user ends up owning. You can use their non-renewing subscription, 30% still applies, and renewing is a bit of a hassle.