This iPhone app is awesome, especially because many have had trouble with the new liturgical changes. Essentially iMissal is an online missalette that you can use to follow along with both the Order of Mass and/or the readings of the day. You can even have the readings recited to you if you like to hear someone else reading them out loud — which helps lectors with strange names and places. Pick it up in the iTunes store but use it before mass so you don’t look like you’re texting during the service!