Gravity - Your weight on the Planets is a free Android application developed by OrbitalMotion that allows you to calculate your weight on different celestial bodies. The program includes calculations for the Moon, the Solar System planets (Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune), dwarf planets (Pluto and Ceres), and various moons and asteroids.

One of the newest features of the app is the ability to visualize the different speeds of free fall of a body on Earth compared to those of planets and satellites in the Solar System. With this feature, you can see the differences in gravity across our solar system.

The interface is easy to navigate, and the calculations are accurate and reliable. The app is an excellent tool for anyone interested in space and astronomy or for those who want to know how much they would weigh on other planets. Overall, Gravity - Your weight on the Planets is a well-designed and informative application that is worth checking out.