Type SMS messages on your Mac and send them via your iPhone.
The Wi-Fi connection is used, SMS client for iPhone is required ($1.99). Your iPhone and the Mac must be on the same network.
Other features:
- reading recipients list directly from Apple Address Book
- sending messages to an individual recipient or to a group
- import a group from a csv file
- creating message templates
- history of sending
- recent recipients list
- auto connecting without a confirmation dialog
- enabling Wi-Fi after launch
Sending the SMS message must be confirmed on the iPhone due to security reasons - this confirmation is a feature of the iPhone SDK, in which the "SMS client" application is written.