What are some alternatives?
When comparing Air Sharing and CalPrint, you can also consider the following products
Printer Pro - Print attachments, receipts, documents, web pages from your iPad and iPhone.
AltaMail - A treasure trove of features make AltaMail the best email App for iPad or iPhone for auto reply, auto filing, managing and saving emails, attachments and other files.
ePrint - If you have the right printer, “ePrint” will let you print directly from your iPhone or iPod touch.
Print n Share - “Print n Share” for the iPad, iPhone & iPod Touch is the best printing and file sharing app.
ClipPrinter - opy items from other Apps and transfer to another iPad/iPhone/iPod Touch via Bluetooth/WiFi, or to/from your PC/Mac via WiFi.
Pogoplug - Pogoplug is cloud storage which provides unlimited storage.