The Unlimited Plan does not affect the existing subscriptions.
To prevent getting charged for multiple subscriptions in the future, you can cancel your plans through the platform you purchased them on (website, Apple Store, or Google Play).
To check what subscriptions you currently have, please go to the Wyze app > Account > Services.
In order to cancel existing subscriptions:
For Subscriptions purchased via the Wyze website:Cancel Web License
For Subscriptions purchased via the Wyze App: Cancel In App License