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Exercism vs Codecademy

Exercism lands on Worth it, and Codecademy lands on Depends.

Codecademy

codecademy.com

Depends
Confidence: Medium

Start free if you're an absolute beginner wanting structured, interactive lessons . multiple sources say it works well for that.

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Exercism versus Codecademy
CompareExercismCodecademy
VerdictWorth itDepends
Best forDevs practicing a new languageAbsolute beginners learning to code
Who it's not forTotal beginners needing guided from-zero lessonsExperienced devs . Reddit critics find exercises too basic
PrivacyNo product breach found; minor CVEs affect the CLI tool, and no dedicated security page surfaced.⁸No major public breaches found in reviewed sources; Open Bug Bounty lists reported vulnerabilities marked patched.16
Support qualityVolunteer mentors; shortages reported in some languagesTrustpilot cites customer service and billing complaints.
Public sentimentUsers love it as a free practice tool but repeatedly say it's for practicing, not learning to code from scratch.³Beginners often praise the structured interactive lessons, while detractors call Pro overpriced, shallow, and backed by weak support.11
Biggest gotcha2024 restructure over finances . free product's long-term runway is uncertain.²Trustpilot users complain about subscription billing and customer service responsiveness11

Pick Exercism when

  • Devs practicing a new language
  • Self-taught coders wanting free mentor feedback
  • Career switchers sharpening existing skills
  • Fans of local-first, open-source tools

When Exercism is not a fit

  • Total beginners needing guided from-zero lessons
  • Companies wanting team training features . no Teams product yet
  • Interview-prep grinders (LeetCode fits better)
  • Buyers needing SLAs, support guarantees, or SSO

Pick Codecademy when

  • Absolute beginners learning to code
  • Self-paced career-path learners
  • Students (discounted Pro plan)
  • Teams upskilling non-engineers

When Codecademy is not a fit

  • Experienced devs . Reddit critics find exercises too basic
  • Anyone needing mentorship or job guarantees . it's self-paced
  • Buyers allergic to auto-renewing subscriptions
  • Young kids . purpose-built platforms exist

Sources

  1. Exercism homepage . 100% free, 83 languagesexercism.org
    official
  2. 2M users but no money in the bank . Sept 2024 restructureexercism.org
    official
  3. Exercism.io isn't for learning to code, but for practicingreddit.com
    review
  4. Exercism is great and free . Redditreddit.com
    review
  5. 2M users but no money in the bank . Hacker Newsnews.ycombinator.com
    news
  6. Exercism desperately needs Rust mentorsusers.rust-lang.org
    review
  7. Exercism Teams... Coming soon?forum.exercism.org
    review
  8. CVE-2025-61723 exercism: Quadratic complexitybugzilla.redhat.com
    security
  9. Pricing | Codecademycodecademy.com
    official
  10. Price of Codecademy - Help Centerhelp.codecademy.com
    official
  11. Codecademy Reviews | Trustpilottrustpilot.com
    review
  12. Codecademy Reviews | G2g2.com
    review
  13. Codecademy Reviews - 2.3/5 | SmartCustomersmartcustomer.com
    review
  14. Is Codecademy Pro worth it? | Redditreddit.com
    review
  15. Am I wasting my time with Codecademy? | Redditreddit.com
    review
  16. codecademy.com vulnerabilities | Open Bug Bountyopenbugbounty.org
    security