Why is Cove a subscription service? October 28, 2021 14:07 Updated Follow Cove is a subscription service because we want to ensure you never run out of your migraine treatment when you need it. Related articles How do I cancel my Cove subscription? How do I add or remove a treatment from my subscription? How do I approve my treatment plan? How does Cove work? Can I track my migraines with Cove?