Time Tracker Pro is described as 'Easy, automatic time tracking for freelancers and independent professionals. It automatically tracks what you're working on, then categorizes your tasks into various projects and activities' and is a Time Tracking tool in the office & productivity category. There are more than 50 alternatives to Time Tracker Pro for a variety of platforms, including Web-based, Mac, Windows, iPhone and Android apps. The best Time Tracker Pro alternative is Toggl Track, which is free. Other great apps like Time Tracker Pro are RescueTime, Clockify, Cattr and DeskTime.