Yes, iThemes offers various licensing options that allow you to use their products on multiple websites. Typically, these options include personal and developer licenses. A personal license is usually designed for single-site use, whereas a developer license grants you permission to install the themes or plugins on multiple sites, which is ideal for developers or agencies working with numerous clients. The number of sites covered can vary depending on the specific product and licensing structure. It is advisable to review the details on the iThemes website to fully understand the options available, including any potential limitations or restrictions associated with each license type. This will help you make an informed decision based on your specific needs and use cases.