
Scrimba
Data Protocol
GoIT LMS
Codelita
CodeCrafters
Codecademy
Divize
The most fun way to learn to code.

my personality test
Soultrace.app
Mental Age Quiz
LifeScore Test
16personalities
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MyPersonality.net
Discover your mental age with our free scientific test. 12 questions for personality analysis.

Which is more popular?
Based on our record, Codédex seems to be more popular. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | codedex.io | mentalage.org |
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What each product offers, as listed by its team.


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


No analysis of Codédex yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Codédex and MentalAge.org.
MentalAge.org's answer:
A science‑informed, privacy‑first quiz that turns psychological concepts into a fun, 3‑minute experience with instant, shareable insights. It’s mobile‑first, multilingual, and designed for accuracy rather than clickbait.
MentalAge.org's answer:
Clear methodology, no sign‑up required, fast loading, and transparent scoring. Results are easy to understand, ad‑light, and accessible on any device.
MentalAge.org's answer:
Curious individuals 16+ who enjoy self‑reflection and light psychology; students and educators who need an engaging classroom activity; creators looking for interactive content for their communities.
MentalAge.org's answer:
I built it after being frustrated by slow, ad‑heavy quizzes. The goal was a playful yet credible test that respects users’ time and privacy while offering a polished, modern UX.
MentalAge.org's answer:
Next.js App Router with React Server Components, TypeScript, Tailwind CSS, Radix UI and shadcn/ui, internationalization (i18n), and deployment on Vercel. Images are optimized (WebP, lazy loading) and analytics are lightweight.
MentalAge.org's answer:
We don’t publish customer names to protect privacy, but major user groups include: Students and school clubs Online creators and community managers Wellness and lifestyle communities Tech meetups and social groups
Share your experience with using Codédex and MentalAge.org. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


I'm a new coder too. What helps me is finding a good place to learn the most basic principles and having 2-5 things I want to do. I started with codedex.io , learning Python and HTML and then took their courses and moved on looking for... Source: over 3 years ago
I think you should focus on HTML, CSS, and JS, starting with HTML. I just started HTML on a website called codedex.io. Pretty cool so far but I feel like I'm getting into a brand new thing haha. Source: over 3 years ago
I've been learning Python on a website called codedex.io for about 6 months. It's been great for me so far. I just started on Classes and Objects. Give them a try, you might like them. Source: almost 4 years ago
Tracking MentalAge.org since Sep 2025.
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