I had that happen with a sleep tracker for Apple Watch. It was a few dollars for the app, but to actually view the data it tracked while you were asleep, you ha

I had that happen with a sleep tracker for Apple Watch. It was a few dollars for the app, but to actually view the data it tracked while you were asleep, you had to upgrade to the premium subscription. Fortunately it was easy enough to get a refund[1]. 1. https://support.apple.com/en-us/HT204084 https://support.apple.com/en-us/HT204084