I recently discovered that there is a new iPad app currently under development that holds great promise for all public speakers, including preachers. The app, Podium Pro, is still in private beta but should be available soon in the app store.
When the app is released Digital Sojourner will write a comprehensive review.
The app is being designed by public speakers for public speakers. Several functions that preachers will find helpful are being built into the app. Some of those features are: word processing, Dropbox integration, count down timer, count up timer, overtime clock, ability to record and share your sermon, and much more.