Quick comparison # App Pricing Verified price Open source Platforms Verified facts Score 1 CodecademyFree plan + paid — No Web, iOS, Android 4 of 4 68.8 2 freeCodeCampFree — No Web, iOS, Android 5 of 5 59.4 3 UdacityFree plan + paid — No Web 5 of 5 52.6 4 CourseraFree plan + paid — No Web, iOS, Android 2 of 3 50.9 5 KaggleFree — No Web 3 of 3 49.0
1 Best for: Beginners who want a structured, hands-on path into programming without setting up tools
Free plan + paid Web, iOS, Android
Why switch from DataCamp
Similar in-browser coding lessons with a wider range beyond data, like web development.
Pros Write and run code in the browser with no local setup Clear skill and career paths that sequence courses for you Wide catalogue covering web, data, AI, security and cloudCons Free plan only gives limited course access Career paths and interview prep need the more expensive Pro plan Guided exercises can feel too hand-held for experienced developersHow this score is calculated Editorial fit ×0.3 100
Reviews ×0.3 63
Clicks (90 days) ×0.15 0
Freshness ×0.15 100
Votes ×0.1 50
0 counted reviews, 0 up and 0 down votes. Full formula
2 Best for: Self-motivated beginners who want a complete, free path into web development and coding
Free Web, iOS, Android
Why switch from DataCamp
Free data analysis and Python certifications from a nonprofit, with no paywall.
Pros Every course and certification is completely free Project-based certifications that build a portfolio Large community forum, tutorial library and YouTube coursesCons No live instruction or personal mentoring Certifications take around 300 hours each Certificates carry less weight than university or vendor credentialsHow this score is calculated Editorial fit ×0.3 69
Reviews ×0.3 63
Clicks (90 days) ×0.15 0
Freshness ×0.15 100
Votes ×0.1 50
0 counted reviews, 0 up and 0 down votes. Full formula
3 Best for: Career changers who want project-based AI and data training with human feedback on their work
Free plan + paid Web
Why switch from DataCamp
Project-based data and AI Nanodegrees with human project reviews and mentors.
Pros Projects reviewed by humans with detailed feedback Strong catalogue in AI, data and cloud One subscription covers the full catalogueCons Subscription costs more than most self-paced course sites Free selection is small Narrower subject range than general course marketplacesHow this score is calculated Editorial fit ×0.3 46
Reviews ×0.3 63
Clicks (90 days) ×0.15 0
Freshness ×0.15 100
Votes ×0.1 50
0 counted reviews, 0 up and 0 down votes. Full formula
4 Best for: Learners who want university- or company-branded certificates and degrees
Free plan + paid Web, iOS, Android
Why switch from DataCamp
University and Google or IBM data certificates with longer graded projects.
Pros Courses and degrees from well-known universities and companies Many courses can be audited for free Coursera Plus covers most of the catalogueCons Certificates and graded work cost extra Lecture-based format with little live support Independent creators can't publish their own coursesHow this score is calculated Editorial fit ×0.3 52
Reviews ×0.3 63
Clicks (90 days) ×0.15 0
Freshness ×0.15 77
Votes ×0.1 50
0 counted reviews, 0 up and 0 down votes. Full formula
5 Best for: Students and data scientists who want free notebooks, public datasets and ML competitions in one place
Free Web
Why switch from DataCamp
Free short data science courses next to real datasets, notebooks and competitions to practise on.
Pros Free hosted notebooks with a weekly GPU and TPU allowance Huge library of public datasets and models to start from Competitions give real problems with public leaderboards Official open-source CLI for downloading data and submittingCons Notebook sessions have time limits and capped accelerator hours Not built for private team work on company data Web only; the notebook environment can't be self-hostedHow this score is calculated Editorial fit ×0.3 34
Reviews ×0.3 63
Clicks (90 days) ×0.15 0
Freshness ×0.15 100
Votes ×0.1 50
0 counted reviews, 0 up and 0 down votes. Full formula