CodeCrafters (YC S22)
Programming exercises for experienced engineers.
Guess World Flags
Master world flags with fun and interactive learning
Updated February 2026
| CodeCrafters (YC S22) | Guess World Flags | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 14 | 1 |
| Pros | 15 | 0 |
| FactScore™ | 58.8 | 15.1 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in CodeCrafters (YC S22) — Pros
Build your own X tutorials Hands-on learning Intermediate and advanced level DIY learning approach Practical projects Beginner friendly Community learning potential Guided coding exercises Real-world applicability Use of familiar tools AI-assisted explanations Developer onboarding Realtime feedback Step by step guide Workflow integrationBoth tools — Pros
—Only in Guess World Flags — Pros
No unique pros listedOnly in CodeCrafters (YC S22) — Cons
Lack of product-focused challengesBoth tools — Cons
—Only in Guess World Flags — Cons
—Details
| CodeCrafters (YC S22) | Guess World Flags | |
|---|---|---|
| Categories | Engineering & Development, Online learning | Online learning, Games |
| Platforms | Web | Web · iOS |
| Became Popular | February 27, 2020 | June 3, 2024 |
| Website | codecrafters.io | apple.co |
Who Should Pick Which?
Choose CodeCrafters (YC S22) if...
- Build your own X tutorials
- Hands-on learning
- Intermediate and advanced level
Choose Guess World Flags if...
- No unique pros listed
With a FactScore™ of 58.8 vs 15.1, CodeCrafters (YC S22) leads in community reception. CodeCrafters (YC S22) uniquely offers Build your own X tutorials and Hands-on learning, while Guess World Flags stands out for No unique pros listed.
What Users Say
CodeCrafters (YC S22)
Codecrafters is so well done - it the only dev learning platform I was excited to use. Absolutely loved building my own version of redis one morning when I couldn't sleep or trying to build my own ...
Congrats on the launch! I have been working through CodeCrafters with my friends during my time at Recurse Center, programming for the joy of programming. Incredibly fun way to learn to build funda...
CodeCrafters lets you learn in such a practical way that you don't normally see on learning platforms. It's nice to be able to explore concepts and understand how the technologies we use everyday w...
Guess World Flags
A brilliant application! It's great fun, the interface in the form of mini challenges is really cool, and it's a pleasure to brush up on geography! 😉
Related Comparisons
Frequently Asked Questions
Which is better, CodeCrafters (YC S22) or Guess World Flags?
Based on FactScore™, CodeCrafters (YC S22) leads with a score of 58.8 vs 15.1. CodeCrafters (YC S22) has a higher rating of 5.0★ compared to 5.0★.
What are the pros of CodeCrafters (YC S22) compared to Guess World Flags?
CodeCrafters (YC S22) uniquely offers: Build your own X tutorials, Hands-on learning, Intermediate and advanced level, DIY learning approach, Practical projects.
What are the pros of Guess World Flags compared to CodeCrafters (YC S22)?
Guess World Flags uniquely offers: No unique pros listed.
Is CodeCrafters (YC S22) better rated than Guess World Flags?
CodeCrafters (YC S22) is rated 5.0★ from 14 reviews. Guess World Flags is rated 5.0★ from 1 reviews.
What is the FactScore™ of CodeCrafters (YC S22) and Guess World Flags?
FactScore™ weighs rating and review volume together. CodeCrafters (YC S22) scores 58.8 and Guess World Flags scores 15.1.
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