After one week of availability, priceline.com announced that its Hotel Negotiator App has climbed to the No. 3 free travel app on the App Store.

The new priceline.com app, which features The Priceline Negotiator (William Shatner), lets travelers use iPhone or iPod touch to quickly find and book last-minute hotel rooms using priceline.com's Name Your Own Price hotel service and save up to 50 percent over published hotel rates.