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Codédex VS Math Says Yes

Compare Codédex VS Math Says Yes and see what are their differences

Codédex

The most fun way to learn to code.

Rating
0 reviews
Pricing
Open source
Alternatives Is it good?
Math Says Yes

Short, sourced, interactive statistics facts about probability, risk, and the tricks hiding in everyday numbers.

Rating
0 reviews
Pricing
Free
Alternatives Is it good?
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Which is more popular?

Based on our record, Codédex seems to be more popular. It has been mentioned 5 times since March 2021.

social mentions
5 vs 0
Education popularity
96% vs 4%
alternatives listed
228 vs 4

Base details

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

Codédex
Math Says Yes
Website codedex.io mathsaysyes.com
Pricing
Open source
Free
Platforms —
iOS Web Android
Company — Startup from Germany · 2026
Listed in
Edtech Learn To Code Technology Education Tech +2
Education Mathematics Statistics

About Codédex and Math Says Yes

In their own words, as submitted to SaaSHub.

Codédex
Math Says Yes

No description of Codédex yet.

Statistics keeps being right when instinct says no. Put 23 people in a room and the odds that two share a birthday are about 50%. Math Says Yes collects facts like that and walks through the reasoning until each one makes sense. The format is a scrollable feed of cards. Most cards ask a quick...

Read more about Math Says Yes

Features and specs

What each product offers, as listed by its team.

Codédex 4 features
Math Says Yes 9 features
  • User-Friendly Interface
    Codédex offers a clean and intuitive interface that makes it easy for both beginners and advanced users to navigate and utilize the platform effectively.
  • Comprehensive Resources
    The platform provides a wide range of coding resources and tutorials, covering various programming languages and technologies, which are beneficial for learners at different levels.
  • Interactive Learning
    Codédex incorporates interactive coding exercises that enhance the learning experience by allowing users to practice and apply what they’ve learned in real-time.
  • Community and Support
    The platform fosters a strong community where users can interact, seek help, and share knowledge, complemented by responsive customer support.

Possible disadvantages

  • Limited Free Content
    While Codédex does offer some free resources, the majority of its more advanced tutorials and features require a paid subscription, which might not be accessible for everyone.
  • Occasional Technical Issues
    Some users have reported experiencing technical glitches or downtime, which can hinder the learning process if not addressed promptly.
  • Inconsistent Content Updates
    The frequency of content updates and new course additions can be inconsistent, potentially leaving learners waiting for new material in their areas of interest.
  • Overwhelming for Beginners
    Due to the extensive amount of resources available, beginners might find the platform overwhelming and struggle to know where to start.
  • Fact feed
    Scrollable cards with counterintuitive results from statistics and probability, each with its source.
  • Guess first
    Cards start with a quick question, so you commit to a hunch before the reveal.
  • Interactive demos
    Change the inputs on a chart or slider and watch the outcome move.
  • Daily challenge
    Five rounds a day, your gut against the actual odds.
  • Topics and search
    Browse by theme: probability, sampling, averages, and randomness.
  • Glossary
    Plain-word definitions for the terms textbooks assume you already know.
  • Save and track
    Bookmark cards and mark the ones that finally clicked.
  • No account needed
    Reading is open to everyone. Signing in only adds sync and streaks.
  • Web and native apps
    Works in the browser, and there's an app on both stores.

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
Codédex
Math Says Yes
96% 96%
Education
4% 4%
100% 100%
Online Learning
0% 0%
0% 0%
Statistics
100% 100%
100% 100%
Tech
0% 0%

Questions & Answers

As answered by people managing Codédex and Math Says Yes.

Why should a person choose your product over its competitors?

Math Says Yes's answer:

Most learning platforms ask for a commitment: create an account, pick a track, work through lessons. Math Says Yes is built for a two-minute gap — open it, meet one surprising fact about probability or risk, understand why it's true, close it. Nothing is behind a paywall or a signup wall, every fact is sourced rather than asserted, and the interactive demos let you test a claim yourself instead of taking our word for it. It isn't a curriculum like Brilliant or Khan Academy; it's the thing that makes people curious enough to go looking for one. The daily five-question challenge gives you a reason to come back without a syllabus.

What makes your product unique?

Math Says Yes's answer:

Math Says Yes turns counterintuitive statistics into something you scroll. Nearly every card asks you to guess before it reveals the answer, so you commit to a hunch first and then find out why your instinct was off — that moment of being wrong is what makes the fact stick. Explanations are short and in plain language, every claim cites its source, and many cards include an interactive chart or slider so you can change the numbers and watch the result move. Reading is free and needs no account; signing in only adds progress sync and streaks.

How would you describe the primary audience of your product?

Math Says Yes's answer:

Three overlapping groups. Curious adults who enjoy numbers but don't want a course — the popular-science reading crowd who like having an intuition overturned. Students in secondary school and early university taking statistics or probability who want the ideas to click before an exam. And teachers, who use a card as a lesson starter: put the fact on the board, let the class vote, then walk through the demo together. The data-literacy cards on misleading charts and survivorship bias also fit media-literacy lessons.

User comments

Share your experience with using Codédex and Math Says Yes. 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.

Codédex 5 mentions
Math Says Yes 0 mentions
  • Looking for a bit of coding advice!
    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
  • self learning towards a web dev career
    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
  • A beginner in python
    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: over 3 years ago

View more

Tracking Math Says Yes since Jul 2026.

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