Circle Timer - new free app for interval training
With this app you can easily set up any kind of interval training on your phone or tablet. The user interface is very easy to access and even the most complex interval program can be entered without having to type anything.


With this calculator you can calculate your ideal weight. The ideal body weight is the weight, which theoretically will give you the longest life with the least diseases.
We are continously upgrading our content and the site and our most popular calculators now works and looks good on any smartphone and tablet. The rest will follow soon.
New fitness testing app out now for iPhone and Android. This app is the ultimate tool for anybody working with fitness testing.
With the routeplanner, you can easily measure any distance anywhere. If you have been running or walking, the routeplanner allows you to make a number of calculations on your performance like speed, steps covered, calories burned and estimation of VO2max.
The Bleep test is also known as the Shuttle run test or the Yo-Yo test. The test is a maximal running test performed on a flat 20 meter distance.
Do yo you want to ...