Design Packs: Theme Sections

EDIT - The app creator reached out to refund me for my experience and offered a trial code for me to try again at a later point. I appreciate their prompt and friendly customer service and so am updating my 1 star review to 3 stars for their response.
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The sections are very limited in how you can customize them and use them. Also, I was subscribed to this app for a month before cancelling and expected that I could still access the features for the remainder of the month until the current billing cycle ends but access to the app features ends right away, which I feel must violate some law or policy when it comes to subscription payments. If I paid for the month, it should be honored until the end of the month.