exploreprayer
The exploreprayer interactive iPhone app features more than 600 prayers to help you think deeply and intentionally about what you want to communicate to God. Choose your prayer intention, and let exploreprayer be your guide. 

explorefaith
The free explorefaith app delivers a Signpost devotion to your iPhone each day plus provides a customizable Daily Office from Phyllis Tickle's Divine Hours guide to fixed-hour prayer