iBillTo is a free webapp specifically built for the iPhone and iPod Touch to allow you to keep track of your client billing information. Need to keep track of your clients, their billing rates, and how many hours you worked on a specific project from your iPhone or iPod Touch? No problem. iBillto was built from the ground up using the latest AJAX technologies to help streamline the billing process whether youre on a wireless network or on the EDGE network. After the initial load of the site, everything is updated asynchronously with very little data being transmitted. This helps improve the interface and response times compared to other traditional Post Back and Wait websites.