Appcues is praised for its engaging and informative courses, particularly in user onboarding and product adoption. Users appreciate the playful and digestible content, which includes specialized visuals and real-world examples. The free courses, such as "User Onboarding 101" and "Product Launches 101," are highlighted for their depth and practical insights. However, some users find the platform a bit complex for simple tasks and note its higher cost compared to alternatives. Overall, Appcues is valued for its comprehensive educational resources and user engagement capabilities.