LifeAdvisor offers a weekly subscription of 89.9$. You can try it free for 3 days before the official subscription. There will be no deduction during the trial period. The trial period will end.
The fee will be deducted from your play store account. If you do not cancel, subscribe. It will continue on a weekly cycle. If you want to cancel your subscription, you can go to the play store account settings and unsubscribe.