Yes, Sheet Music Scanner & Reader offers a free version with limited features, as well as a free trial period for users to explore the full capabilities of the premium version.

While some features of Sheet Music Scanner & Reader may function offline, an internet connection is typically required for full functionality, such as accessing cloud storage or using certain online features.

Support can be reached through the app's help section, where you can find contact information or submit feedback directly. Additionally, you may find support resources on the app's official website.

You can manage or cancel your subscription through the app's settings or your device's app store settings, depending on the platform you are using. Detailed instructions are usually provided within the app.