1.
Instant partial payment for the current period: Upon clicking the upgrade button, the system calculates the cost only for the additional visits until the end of your current billing period. This prorated amount is charged to your card immediately.
2.
Instant limit increase: As soon as the payment is successful, the new visits are immediately added to your current balance.
3.
Regular subscription update: Your subscription will automatically update. Starting from the next billing cycle (the date indicated as the Renewal date), your card will be charged the new full amount for the upgraded plan.