iRealSMS 2.0.8 introduced a new feature called QuickSend to the iPhone - after being the inventor of QuickReply it is only logical for iRealSMS to come up first with an equally simple and slim in memory solution for sending SMS from any app.
QuickSend also includes the ability to QuickCall your contacts simply by typing their name and pressing Call - from any app. In addition you can save the message as a draft if you have iRealSMS. For iRealQuickSMS there will be an alternative soon
iRealQuickSMS offers the 2 most innovative features of iRealSMS for all those who just want to keep their stock SMS app and dont feel the need for Landscape Texting, Drafts, Forwarding, Searching Messages, Adding Contact Details, Inbox and Outbox etc.
You can install iRealQuickSMS from the BigBoss Cydia Repository.