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Free Scaler alternatives: 5 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

5 of the 6 Scaler alternatives we track can be used for free (free, open source, or with a free plan). Udacity, Coursera and GeeksforGeeks rank highest, with facts last verified Nov 8, 2026.

Quick comparison

#AppPricingVerified priceOpen sourcePlatformsVerified factsScore
1Udacity logoUdacityFree plan + paid—NoWeb5 of 564.8
2Coursera logoCourseraFree plan + paid—NoWeb, iOS, Android2 of 358.3
3GeeksforGeeks logoGeeksforGeeksFree plan + paid—NoWeb, Android, iOS4 of 451.2
4freeCodeCamp logofreeCodeCampFree—NoWeb, iOS, Android5 of 549.0
5DataCamp logoDataCampFree plan + paid—NoWeb, iOS, Android5 of 547.8
  1. Udacity logo

    1. UdacityTop pick

    Best for: Career changers who want project-based AI and data training with human feedback on their work

    Free plan + paidWeb

    64.8

    score / 100

    Why switch from Scaler

    Project-based Nanodegrees in AI and data on a monthly subscription instead of a big upfront fee.

    Pros

    • Projects reviewed by humans with detailed feedback
    • Strong catalogue in AI, data and cloud
    • One subscription covers the full catalogue

    Cons

    • Subscription costs more than most self-paced course sites
    • Free selection is small
    • Narrower subject range than general course marketplaces
    Visit Udacity Details and reviews
    How this score is calculated
    Editorial fit ×0.387
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Udacity a good Scaler alternative?

    Verified facts

    5 of 5 verified
    Catalogue
    500+ courses
    Checked Nov 8, 2026udacity.com(opens source in a new tab)
    Cancellation
    Cancel anytime
    Checked Nov 8, 2026udacity.com(opens source in a new tab)
    Owner
    Accenture
    Checked Nov 8, 2026udacity.com(opens source in a new tab)
    Mentor network
    700+ industry experts
    Checked Nov 8, 2026udacity.com(opens source in a new tab)
    Master's degree
    MSc in AI with subscription
    Checked Nov 5, 2026udacity.com(opens source in a new tab)
  2. Coursera logo

    2. Coursera

    Best for: Learners who want university- or company-branded certificates and degrees

    Free plan + paidWeb, iOS, Android

    58.3

    score / 100

    Why switch from Scaler

    University and company certificates you can take at your own pace for far less money.

    Pros

    • Courses and degrees from well-known universities and companies
    • Many courses can be audited for free
    • Coursera Plus covers most of the catalogue

    Cons

    • Certificates and graded work cost extra
    • Lecture-based format with little live support
    • Independent creators can't publish their own courses
    Visit Coursera Compare with ScalerDetails and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1577
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Coursera a good Scaler alternative?

    Verified facts

    2 of 3 verified
    Coursera Plus trial
    7 days
    Source changed Nov 8, 2026coursera.org(opens source in a new tab)
    Catalogue
    10,000+ courses in Coursera Plus
    Checked Nov 8, 2026coursera.org(opens source in a new tab)
    Partners
    458 partners across 38 countries
    Checked Oct 29, 2026coursera.org(opens source in a new tab)
  3. GeeksforGeeks logo

    3. GeeksforGeeks

    Best for: CS students and job seekers who want free explanations and practice problems for DSA and interviews

    Free plan + paidWeb, Android, iOS

    51.2

    score / 100

    Why switch from Scaler

    Free DSA tutorials and practice problems for interview prep, with cheaper paid courses.

    Pros

    • Free articles on almost every CS and DSA topic you'd be asked in interviews
    • Company-wise interview experiences and practice problems in one place
    • Paid courses cover DSA, system design and placements in depth

    Cons

    • Free pages carry a lot of ads unless you pay for Premium
    • Article quality and accuracy vary between authors
    • Practice judge is less polished than LeetCode for contest-style problems
    Visit GeeksforGeeks Details and reviews
    How this score is calculated
    Editorial fit ×0.341
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is GeeksforGeeks a good Scaler alternative?

    Verified facts

    4 of 4 verified
    Founded
    2008
    Checked Nov 8, 2026geeksforgeeks.org(opens source in a new tab)
    Registered users
    50 million+
    Checked Nov 8, 2026geeksforgeeks.org(opens source in a new tab)
    Owner
    Sanchhaya Education Pvt Ltd
    Checked Nov 8, 2026geeksforgeeks.org(opens source in a new tab)
    Premium course coverage
    50+ technologies
    Checked Nov 8, 2026geeksforgeeks.org(opens source in a new tab)
  4. freeCodeCamp logo

    4. freeCodeCamp

    Best for: Self-motivated beginners who want a complete, free path into web development and coding

    FreeWeb, iOS, Android

    49.0

    score / 100

    Why switch from Scaler

    Completely free coding curriculum and certifications if you can learn without mentors.

    Pros

    • Every course and certification is completely free
    • Project-based certifications that build a portfolio
    • Large community forum, tutorial library and YouTube courses

    Cons

    • No live instruction or personal mentoring
    • Certifications take around 300 hours each
    • Certificates carry less weight than university or vendor credentials
    Visit freeCodeCamp Details and reviews
    How this score is calculated
    Editorial fit ×0.334
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is freeCodeCamp a good Scaler alternative?

    Verified facts

    5 of 5 verified
    Price
    100% free
    Checked Nov 8, 2026freecodecamp.org(opens source in a new tab)
    Organisation
    501(c)(3) public charity
    Checked Nov 8, 2026freecodecamp.org(opens source in a new tab)
    License
    BSD-3-Clause
    Checked Nov 8, 2026freecodecamp.org(opens source in a new tab)
    Mobile apps
    iOS and Android
    Checked Nov 8, 2026freecodecamp.org(opens source in a new tab)
    Certification length
    About 300 hours
    Checked Nov 8, 2026freecodecamp.org(opens source in a new tab)
  5. DataCamp logo

    5. DataCamp

    Best for: Analysts and beginners who want hands-on Python, SQL and AI practice without setting anything up

    Free plan + paidWeb, iOS, Android

    47.8

    score / 100

    Why switch from Scaler

    Cheaper self-paced subscription for data science and AI skills, without live mentoring.

    Pros

    • Write and run code in the browser from the first lesson
    • Large catalogue of data, AI and BI courses in tracks
    • Recognised data analyst and data scientist certifications

    Cons

    • Free plan only opens the first lesson of each course
    • Exercises are short and guided, so deeper projects need work elsewhere
    • Narrow focus on data and AI rather than general software development
    Visit DataCamp Details and reviews
    How this score is calculated
    Editorial fit ×0.338
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is DataCamp a good Scaler alternative?

    Verified facts

    5 of 5 verified
    Free plan
    First lesson of every course
    Checked Nov 8, 2026support.datacamp.com(opens source in a new tab)
    Courses
    700+
    Checked Nov 8, 2026support.datacamp.com(opens source in a new tab)
    Billing
    Yearly or monthly
    Checked Nov 8, 2026support.datacamp.com(opens source in a new tab)
    Cloud notebook
    DataLab
    Checked Nov 8, 2026support.datacamp.com(opens source in a new tab)
    Mobile app
    Yes
    Checked Nov 8, 2026support.datacamp.com(opens source in a new tab)