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CodeCrafters VS ReactionTests

Compare CodeCrafters VS ReactionTests and see what are their differences

CodeCrafters

Programming exercises for experienced engineers.

Rating
0 reviews
Pricing
Open source
Alternatives Is it good?
ReactionTests

Test your visual reaction time for free. Click when the screen turns green, complete five rounds, and track your average and consistency on your device.

Rating
0 reviews
Alternatives Is it good?
FlexiQuiz
FlexiQuiz is a powerful online test generator that enables you to create engaging online quizzes, tests, or exams in minutes. Choose from 100's of features to create a customized quiz that meets your objectives for business, education, or fun. 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, CodeCrafters seems to be more popular. It has been mentioned 11 times since March 2021.

social mentions
11 vs 0
Education popularity
100% vs 0%
alternatives listed
82 vs 8

Base details

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

CodeCrafters
ReactionTests
Website codecrafters.io reactiontests.org
Pricing
Open source Official pricing
—
Listed in
Crypto Cryptocurrencies Tech Education +1
Reaction Buttons WhatsApp Online Tests Mouse Tools +1

Videos

Walkthroughs and reviews on video.

CodeCrafters 2 videos + Add
ReactionTests 0 videos + Add

Learn to Build Real Software With CodeCrafters

More videos

  • - Mechanical Sympathy and Learning with CodeCrafters

No ReactionTests videos yet. You could help us improve this page by suggesting one.

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
CodeCrafters
ReactionTests
100% 100%
Education
0% 0%
0% 0%
Online Tests
100% 100%
100% 100%
Online Learning
0% 0%
0% 0%
Reaction Buttons
100% 100%

User comments

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

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Social recommendations and mentions

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

CodeCrafters 11 mentions
ReactionTests 0 mentions
  • I tried building a shell in Rust
    Sometime ago, I decided to embark on a new endeavor, I was curious about how shell works, and came across the the codecrafters.io build your own shell challenge, and thought this is a good opportunity for me to learn shell, as well as... - Source: dev.to / 17 days ago
  • We Planted 180 Bugs in Copies of Real Open-Source Backends. Fix Your First One in About 20 Minutes
    Submitting with git push also exists at CodeCrafters, for code you write from scratch. - Source: dev.to / 27 days ago
  • Ask HN: What skills do you want to develop or improve in 2026?
    I had a lot of with Code Crafters. It's a paid platform, but they give you a basic walk through of different technologies, with full test suites. For example, you implement some basic Redis. It doesn't spoon feed you what to do, but... - Source: Hacker News / 10 months ago

View more

Tracking ReactionTests since Sep 2026.

Alternatives to CodeCrafters and ReactionTests

When comparing CodeCrafters and ReactionTests, you can also consider the following products.

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