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Exercism VS Substack

Compare Exercism VS Substack and see what are their differences

Exercism

Download and solve practice problems in over 30 different languages.

Exercism Landing page
Rating
0 reviews
Pricing
Open source
Alternatives Is it good?
Substack

With Substack, anyone can start a publication that combines a personal website, blog, and email newsletter or podcast. It's quick and simple.

Substack Landing page
Rating
0 reviews
Alternatives Is it good?
ScholarSail
AI study tools that generate mindmaps, spaced-repetition flashcards, and 3D memory palaces from your notes. Built-in rich text editor, Pomodoro timer, and colored noise. sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Exercism should be more popular than Substack. It has been mentioned 318 times since March 2021.

social mentions
318 vs 105
Online Learning popularity
100% vs 0%

Base details

Website, pricing, platforms and company facts side by side.

Exercism
Substack
Website exercism.org substack.com
Pricing
Open source
—
Company — Startup from the United States
Listed in
Online Learning Online Education Online Courses Programming +1
Creators Blogging Paid Newsletters CMS +1

Features and specs

What each product offers, as listed by its team.

Exercism 7 features
Substack 6 features
  • Free Access
    Exercism provides free access to a wide range of coding exercises and learning resources, making it accessible to everyone regardless of their financial situation.
  • Mentorship
    Offers personalized mentorship from experienced developers who can provide feedback and guidance on your code submissions.
  • Wide Variety of Languages
    Supports numerous programming languages, which allows users to learn and practice coding in multiple languages.
  • Structured Learning Tracks
    Organizes exercises into structured tracks, guiding learners through progressively challenging problems in a logical order.
  • Community Support
    Has an active community forum where users can discuss problems, share insights, and ask for help.
  • Open Source Contributions
    Encourages contributions to the platform itself, offering an opportunity for users to give back and improve the resources available to others.
  • Focus on Clean Code
    Emphasizes writing clean, well-documented code, which is beneficial for developing best practices.

Possible disadvantages

  • Variable Mentorship Quality
    The quality of mentorship can vary, as it depends on the availability and expertise of volunteer mentors.
  • Learning Curve
    There can be a steep learning curve for beginners who may find some exercises too challenging without sufficient initial guidance.
  • Limited Interactivity
    Exercises are primarily text-based without interactive or visual learning aids, which might be less engaging for some users.
  • Dependence on Volunteers
    The platform relies heavily on volunteer mentors, which can lead to delays in getting feedback and may affect the consistency of support.
  • Interface Complexity
    Some users find the interface and workflow somewhat complex and unintuitive, particularly for those new to the platform.
  • No Real-Time Collaboration
    Lacks real-time collaboration features, meaning users cannot code together or get instant feedback.
  • Focus on Individual Learning
    The platform predominantly focuses on individual learning rather than collaborative projects, which can be a downside for those looking to develop team-working skills.
  • Ease of Use
    Substack offers a user-friendly interface that makes it easy for writers to publish and monetize their newsletters.
  • Built-in Monetization
    Writers can easily charge readers for subscriptions, allowing for straightforward monetization.
  • Direct Audience Connection
    Substack allows writers to build a direct relationship with their audience via email, which can lead to a more engaged readership.
  • Discovery and Community
    Features like staff picks and recommendations help writers get discovered by new readers.
  • No Upfront Costs
    Substack does not charge upfront fees; instead, it takes a percentage of subscription revenues, making it easier to start.
  • Content Ownership
    Writers retain full ownership of their content, giving them more control over their work.

Possible disadvantages

  • Revenue Share
    Substack takes a 10% cut of subscription revenues, which can add up for writers with a large subscriber base.
  • Limited Customization
    The platform has limited customization options compared to building a custom website or using more flexible CMS options.
  • Dependency on Platform
    Relying on Substack means depending on its policies and infrastructure, which could pose risks if the platform changes its terms or features.
  • Competition
    As more writers join Substack, it can become challenging to stand out amidst the growing competition.
  • Email Deliverability
    Writers may face issues with email deliverability, as some newsletters may end up in spam folders.
  • Payment Processing Fees
    Besides Substack's fee, payment processors like Stripe also take a percentage, further reducing net earnings for writers.

Analysis

An editorial look at what each product does well and who it suits.

Exercism
Substack

Overall verdict

  • Yes, Exercism is considered good for learning and improving programming skills.

Why this product is good

  • Exercism offers free access to a wide variety of exercises in over 50 different programming languages, catering to both beginners and experienced programmers.
  • The platform provides a unique mentorship model where volunteers review submitted solutions, offering personalized feedback and guidance.
  • The exercises are well-structured, facilitating both practice and mastery of language-specific concepts and problem-solving skills.
  • Exercism encourages learning through doing, promoting an active learning environment which can be more effective compared to passive learning styles.
  • The platform allows for self-paced learning, enabling users to progress at their own speed and revisit topics as needed.

Recommended for

  • Beginner programmers seeking practical coding exercises to reinforce their learning.
  • Intermediate and advanced developers looking to hone their skills or learn new programming languages.
  • Individuals who appreciate personalized feedback and mentorship to improve their coding practices.
  • Students and educators searching for supplementary resources to support coursework or syllabus requirements.
  • Professionals aiming to practice coding interview problems and enhance their problem-solving abilities.

Overall verdict

  • Substack is a good choice for writers seeking autonomy and a straightforward way to monetize their content. However, it may not be the best fit for those who prefer working within the framework of a larger publication or those unfamiliar with the challenges of building and maintaining a subscriber base.

Why this product is good

  • Substack is a platform that allows writers, journalists, and content creators to publish and monetize their newsletters. It is praised for its ease of use, built-in subscription system, and direct-to-consumer model which enables writers to retain control over their audience and content. The platform has attracted both independent writers and established journalists seeking the freedom to monetize their work without traditional media constraints.

Recommended for

  • Independent writers and journalists
  • Content creators looking to monetize their work
  • Individuals seeking a direct relationship with their audience
  • Those who appreciate simplicity in publishing

Videos

Walkthroughs and reviews on video.

Exercism 3 videos + Add
Substack 5 videos + Add

Learn with Exercism.io

More videos

  • Review - JavaScript Exercise | Learn JavaScript with Exercism | #0 Setup
  • Review - exercism.io 01 hello-world

Monetizing Podcasts and Newsletters - Chris Best of Substack and Jonathan Gill of Backtracks

More videos

  • Review - E1016 Substack CEO Chris Best empowers writers via email newsletter platform, raised $15M from a16z
  • Review - Why EVERYONE should be on Substack | What it is, How it Works, $$$
  • Review - Beehiiv vs Substack (2024) - Which is Better?
  • Review - My Experience with SUBSTACK: An Honest Review of Substack

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Exercism
Substack
100% 100%
Online Learning
0% 0%
0% 0%
Blogging
100% 100%
100% 100%
Online Education
0% 0%
0% 0%
CMS
100% 100%

User comments

Share your experience with using Exercism and Substack. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Exercism no reviews yet
Substack no reviews yet

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Exercism 318 mentions
Substack 105 mentions
  • AI made me lazy. I didn’t notice until it was too late.
    Exercism.org structured deliberate practice, no AI required. - Source: dev.to / 5 months ago
  • Free Python Resources
    Providing free coding exercises and mentorship, Exercism helps developers practice and improve their programming skills step by step. Their Python Track offers a series of exercises that guide learners from beginner to more advanced levels. - Source: dev.to / 8 months ago
  • Collaboration Circles for Developers (2026)
    Exercism is a code practice + mentoring platform in 74 languages. Why it can work: although it is not exclusively focused on groups of five, its mentoring and peer review model allows forming mini-circles where participants give each... - Source: dev.to / 10 months ago

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  • Benchmarking Qwen3.8 27B quantizations: 4-bit holds up, 1-bit collapses
    For anyone that would like to see more quantizations tested, I can highly recommend paying a few bucks for oobabooga's testing, which is published on his Substack: https://substack.com/@oobabooga. - Source: Hacker News / 6 days ago
  • Discovery of a new OpenAI agent message board
    Reminds me of this meme: https://substack.com/@tomasbjartur/note/c-323840878?r=6cjtqn. - Source: Hacker News / 10 days ago
  • How accurate have Ed Zitron's AI skeptic predictions been?
    Valid criticisms of AI - safety critics who think AI can take over the world like Yud (I find this the least credible but still valid) - Bernie type of critics who think AI can cause widespread job losses - Ruxandra Teslo who thinks AI... - Source: Hacker News / 13 days ago

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