Yes, users can access Codecademy courses on mobile devices. Codecademy has made a significant effort to ensure that its courses are compatible with various mobile platforms, allowing learners to study on the go. The mobile experience may not be identical to that of the desktop version, but many features are available, including interactive coding exercises and instructional content. Users can progress through lessons, complete quizzes, and track their learning even when they are away from their computers. For a more seamless experience, it is advisable to ensure that the mobile browser is up to date. Additionally, learners may want to check the current web page for any specific app offerings, as well as to find details on optimizing their mobile learning experience.