When comparing Treehouse Swift course vs exercism.org, the Slant community recommends exercism.org for most people. In the question“What are the best online resources to learn swift development?” exercism.org is ranked 1st while Treehouse Swift course is ranked 4th. The most important reason people chose exercism.org is:
Rather than merely test for code correctness, Exercism uses peer review to improve general programming techniques. Users are encouraged to comment on others' solutions, and refine their own based on feedback.
Specs
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Pros
Pro Learning track
Treehouse offers an iOS Development With Swift track. Tracks are great as they provide guidance, so you know what courses to take and in what order.
Pro Build an iPhone app as you learn
Building an interesting real-world project makes for a fun way to learn how to apply what you've learned.
Pro Human review and feedback
Rather than merely test for code correctness, Exercism uses peer review to improve general programming techniques. Users are encouraged to comment on others' solutions, and refine their own based on feedback.
Pro Practice with production tools
Unlike many code practice websites, Exercism requires the user to develop and test entirely offline, submitting only the finished code. This promotes familiarity with essential tools and workflow, not just the bare language.
Cons
Con Credit card required to sign up for the free trial
Treehouse offers a free 14-day trial, but requires a credit card to sign up.
Con Custom commandline client
Exercism requires using a CLI utility to fetch and submit exercises. This is inconvenient compared to web-only alternatives, and poses an additional barrier to entry for some users.