Official Prayer Chain app for iPhone and iPad

Prayer Groups
Create a prayer group to which users can subscribe to. Monitor the number of people for a particular slot and be reminded when to pray.

Pray for me
Whether you have a problem or issue that you would like people to pray for you, you can submit a prayer to the Official Prayer Chain to allow others to pray for you. Look at all the prayers from all the different users from the past 24 hours.

Prayer History
The app records your sessions so you can see your progress changes.

Apple Terms of Use
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/