Watch Tracker!

Watch Tracker is a revolutionary new app for tracking the accuracy of a wristwatch. Its dramatically easier and more accurate than any previous method. It synchronizes with an atomic clock, measures and records the difference, and displays graphs of all the data points youve recorded.- Uses best-fit analysis to accurately calculate how many seconds your watch gains or loses per day- Displays graphs of rates and variance- Can track multiple watches simultaneously- Saves data in CSV files that can be opened with any spreadsheet softwareWatch Tracker is made by the developer of tChess (the chess app that was featured in Apples Learn commercial for the iPad) and Learn Chess (the Apple Staff Favorite e-book).