1. What is free is not worthy.Experience is great GreatWack they should have more then one for free to tryWell doneTotally worthless.
2. Usually how long it takes to work and how to know if it's working?It is not free.
3. Best soothing sound and frequency.π»πΊπΉπ·ππ₯ππI have a query.
4. Everything you click on invites you to buy the premium app.
5. You are basically downloading a sales pitch.
6. No helpful info at all.