Where should I check the current price?
Use the live Plans or My Plan experience. Use the live Plans or My Plan view for the current price rather than relying on an older help article.
When does a paid upgrade take effect?
For the current payment-provider flow, a confirmed upgrade takes effect immediately and the payment provider calculates the prorated difference for the remaining billing period.
When does a downgrade take effect?
For a payment-provider-managed subscription, the lower plan is scheduled for the next renewal period, subject to the current seat and minimum-period rules.
Does Cancel at Period End remove paid access immediately?
No. The current paid access remains active until the current period end.