We are happy to see that you are having fun with QuitNow! : ·) The PRO version unlocks all the features of the app, to help you quit smoking. Thanks to the team of developers: we are fantastic people willing to do our best. And by purchasing the app, you send us some energy to continue helping people quit smoking. You are welcome! : ·) And ... it's a lifetime purchase: the PRO app will work on all your phones and tablets, no matter if they are old or new!
Supported Android Devices : [4.1–4.3.1] Jelly Bean - [4.4–4.4.4] KitKat - [5.0–5.0.2] Lollipop - [6.0 - 6.0.1] Marshmallow - [7.0 – 7.1.1] Nougat - [8.0-8.1] Oreo -  Pie