App for the andorid or iOS phose is the paid software, to access all the simulations and details users need to pay and use it. Here is the [https://play.google.com/store/apps/details/PhET_Simulations?id=edu.colorado.phet.androidApp&hl=en_US link to the paid version of phone based app]. | App for the andorid or iOS phose is the paid software, to access all the simulations and details users need to pay and use it. Here is the [https://play.google.com/store/apps/details/PhET_Simulations?id=edu.colorado.phet.androidApp&hl=en_US link to the paid version of phone based app]. |