edX (Harvard CS50)
Depends
Confidence: Medium
Take CS50 . the full course is free to audit and widely respected as the best intro to computer science.
New check
Comparison
edX (Harvard CS50) and Coursera both land on Depends.
Take CS50 . the full course is free to audit and widely respected as the best intro to computer science.
Buy it if you'll learn consistently for a year . Coursera Plus at $399/yr unlocks a strong catalog from Google, Stanford, and peers.
| Compare | ||
|---|---|---|
| Verdict | Depends | Depends |
| Best for | Career-switchers learning CS fundamentals | Career switchers chasing certificates |
| Who it's not for | Anyone paying only for the certificate . the content is free anyway | Anyone needing responsive customer support |
| Privacy | Open edX platform shows published CVEs; edX maintains a responsible-disclosure policy; no major breach found in sources.⁷ | Researchers disclosed Coursera API vulnerabilities in 2021; the company now runs a HackerOne bug-bounty program. |
| Support quality | No usable support evidence found | Trustpilot 'Bad' 1.3/5 rating |
| Public sentiment | Users broadly respect the free course quality but frequently criticize paid certificate pricing and mixed support.¹ | Praise centers on content breadth and organization; criticism centers on peer grading, confusing pricing, service issues, and softening certificate value.13 |
| Biggest gotcha | Certificate is the only paid part; Reddit users call its pricing 'scummy' versus free content³ | Monthly Plus ($59) costs far more than annual ($399) . pay yearly or finish fast. |