Kasa Smart does not require a subscription for basic functionalities, and it offers a free version that allows users to control their smart devices without any trial period.

Yes, Kasa Smart typically requires an internet connection to control devices remotely, although some functionalities may work locally if the devices are on the same Wi-Fi network.

You can contact Kasa Smart support through the app, via the TP-Link website, or by reaching out through social media channels for feedback and assistance.

Since Kasa Smart typically operates without a subscription model for its primary functions, there is no subscription to manage or cancel. For any premium features, users should refer to the app for specific instructions.