On the cycle you chose at checkout — weekly, monthly, quarterly or annually, depending on the plan you bought — and it repeats automatically until you cancel.
Your exact renewal date and amount are in your purchase confirmation email. That is the authoritative answer for your specific subscription; anything general we write here could be wrong for your plan. If you no longer have that email, ask us at info@finoha.net and we will tell you.
If you started on a trial, the first full charge lands when the trial ends.
On price changes: we will never change the price of a period you have already paid for. If a price goes up, we email you at least 30 days beforehand and it only applies from your next renewal, so you can cancel first if you would rather not continue.