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Codecademy locks certificates and most courses behind its Pro paywall. Compare FreeAcademy vs Codecademy free tier — interactive playgrounds, certificates, and full course access, all free.
Coursera certificates cost $49-99+. Discover the best free alternatives for online course certificates in 2026, including FreeAcademy.ai, freeCodeCamp, MIT OpenCourseWare, Khan Academy, and The Odin Project.