Buy Me a Pie! is free to download and use. As a result you will have a full-featured app that lets you have 3 shopping lists, share them with 2 other accounts and organise your products by 8 color groups.
Purchasing the in-app Pro auto-renewing subscription unlocks unlimited shopping lists, sharing lists to unlimited users, additional color groups, ads free version and premium support. Buy Me a Pie! Pro can be purchased as auto-renewable subscription for $0.99 a month or $9.99 a year, as well as life-time license for $24.99 with one-time payment.
Subscriptions will be charged to your iTunes Account at confirmation of purchase. Your subscription will automatically renew unless cancelled at least 24 hours before the end of the current period. You will not be able to cancel a subscription during the active period. You can manage your subscriptions in the Account Settings after purchase.