Compare 13 Data Science courses from top providers — filter by price, level, provider & certificate.
13 free data science courses with certificate, compared side by side.
This filter returns courses that are free and include a certificate. It is useful for learners who want a credential without paying tuition. Three courses that show this filter are: Free Data Science with Python (freeCodeCamp, 300 hours, beginner), JavaScript Algorithms and Data Structures (freeCodeCamp, 300 hours, beginner), and The Data Science Course: Complete Data Science Bootcamp 2026 (Udemy, beginner).
| Course | Level | Duration | Certificate |
|---|---|---|---|
| Free Data Science with Python | Beginner | 300 hours | Yes |
| JavaScript Algorithms and Data Structures | Beginner | 300 hours | Yes |
| The Data Science Course: Complete Data Science Bootcamp 2026 | Beginner | 44 hours | Yes |
This filter is the wrong call for learners who need guided mentorship or structured grading. Those should open a paid programme or a course with instructor support instead. Link back to the parent hub: Data Science courses. One sibling facet: Free Data Science Courses.
Same shortlist as below, side by side — including who runs it and why it stands out.
| Course | Provider | Rating | Price | Duration | Why pick this one |
|---|---|---|---|---|---|
| Free Data Science with Python |  freeCodeCamp |
4.7★ | Free | 300 hours | Free — and still gives a certificate |
| The Data Science Course: Complete Data Science Bootcamp 2026 |  Udemy |
4.5★ | Free | Free — certificate included | |
| Data Science & Machine Learning Bootcamp | Udemy |
4.7★ | Free | 44 hours | Highest rated (4.7★ from 30.9K reviews) |
| Machine Learning A-Z: AI, Python & R | Udemy |
4.5★ | Free | 43 hours | Quickest to finish (43 hours) |
| Mathematics-Basics to Advanced for Data Science And GenAI | Udemy |
4.6★ | Free | Free — certificate included | |
| Data Science & AI Advanced Full Course - From Zero to Pro | Udemy |
4.5★ | Free | Free — certificate included |
freeCodeCamp VerifiedUdemy VerifiedUdemy VerifiedUdemy VerifiedUdemy VerifiedUdemy VerifiedUdemy VerifiedUdemy VerifiedUdemy VerifiedUdemy VerifiedFor beginners, IBM Data Science (Coursera) and freeCodeCamp's free Python track are the highest-rated — both start from zero and build to real projects.
Yes. freeCodeCamp, Kaggle and IBM (audit on edX) offer high-quality free data science content. Paid courses add structure, certificates and placement support.
Roughly 4–8 months at 8–10 hours a week to become job-ready, covering Python, statistics, ML and a portfolio project.
