Fast Lists Sync - Unlimited Items
This subscription unlocks unlimited free items in Fast Lists Sync. This will remove all nags and prompts on adding items. It works across all your devices and Family sharing is enabled too. The subscription should be managed through the App Store Subscriptions page.
Cancellation and Refunds
If you cancel the renewal or cannot be successfully billed at renewal your service will end then. If you request a refund from Apple your service may end immediately. All refunds must be requested from and processed through Apple, Human Friendly has no access to your payment details or even to the identity of subscribers.
At end of subscription
No data will be lost, all your lists will still be available you will just be asked to subscribe every time you add an item if you already have one hundred items or more.