Being Clear and Honest With Subscription Terms
Subscriptions are great! Well, usually. It’s important that you’re honest with your subscription terms.
If you add value for your customers, don’t mislead them, and are fully transparent about terms, they will love you and happily subscribe to your products.
If you try to trick them with dishonest or misleading language, you will get tons of complaints and bad PR, and drive customers away. Here’s an interesting read on ethically questionable app development on Apple’s App Store: