The periodic table of chemical elements itself is a genius invention but it's appearance is seldom attractive. Isotope allows you to explore all the elements with a high quality user interface!...
Promo Codes is a service built to offer developers a place to advertise their high quality apps, in exchange for offering users a chance to win it for free!...
Big changes to preferences means you cannot update automatically. This is a one time upgrade and will not happen again. Sorry for the inconvenience....
