Piet Jonas

Weight Chart helps to monitor your weight and waist circumference over time. Newer studies show that a waist to height ratio of over 0.5 increases the …

This application calculates the distance of a thunder storm by measuring the time between a lightning and the corresponding thunder.How to use:- When …

Quickly see where and how high you are on earth and how fast. If you define a target you can see how far you still have to go and in which direction. …

A selection of dedicated calculators bundled in one app:- Full text calculator with history- Percentage calculator- Savings and interest calculator- L …

SpeedyMarks makes it easy to create visual bookmarks and quickly open your favorite web sites. It is insprired by Operas Speed Dial feature. The scree …

Turn your iPad into a digital photo frame for the webcams of the world. This way you can stay in touch with your home, famous places of the world, the …

Turn the iPad into a display replacement on sports or game events with the help of this game counter application. Track the score of different games e …

Explore the night sky, the mars or our old moon with the help of Google Sky. Tap on the map to pan around quickly and zoom in to examine craters, spot …

Play basketball on your iPad either yourself or against somebody else. First practice and then try to hit as often as possible with 20 shots or with a …

This application helps teachers to keep track of the grades, marks and credits of their different classes in school and university. It always shows th …