CS50 vs Duolingo: Which is Better?
The Verdict
All 2 tools are strong choices, but they win in different lanes. CS50 takes the top spot overall thanks to its balance of quality, popularity and community trust. If budget matters, Duolingo is the best free pick. Use the table below to weigh the exact trade-offs for your use case.
Winners by category
Best Overall
Best Value
Best Free
Best for Students
CS50
Winner- Has a free plan
- Learn at your pace
- Quality content
- Track progress
- Best courses are paid
- Requires discipline