It seems you're looking for the i-Doser Premium APK, which is a modified version of the paid audio drug simulation app.
Premium subscription costs typically range from $9.99/month to $49.99/year, depending on promotions.
Allows you to adjust the intensity and duration of doses while you are listening. The Risks of "Premium APK" Downloads
The premium version of the app offers a more comprehensive experience than the free variant, focusing on customization and a larger library of sequences.