Yes, Sketchbook offers a free version with limited features, as well as a free trial for its premium features, allowing users to explore the app before committing to a subscription.

Sketchbook can be used offline, allowing you to create artwork without an internet connection; however, certain features, such as cloud syncing, may require online access.

You can contact Sketchbook support through their official website or app, where you will find resources for troubleshooting, FAQs, and a support form to submit feedback or inquiries.

You can manage or cancel your Sketchbook subscription through the app store where you purchased it, by navigating to your account settings and following the prompts for subscription management.