Here provides top Free Android Apps. 20,000+ users downloaded Radiation calculator latest version on 9Apps for free every week! The app has do enough to distinguish itself from its predecessor. This hot app was released on 2017-11-27. I believe that if you are an android apps lover, you would not miss it.
The app calculates dose rates etc. assuming a point source in vacuum and linear attenuation in shielding materials. Isotopes and shielding materials can be added, deleted or modified.
The predefined gamma rate constants and attenuation coefficients were found on the web. I do not guarantee correct predefined values.
Very small bug fix!