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Products that do what Count Race does

What’s your CountIQ? Real-time competitive mental math. 🧠

  1. 1IM

    Hey, maker here. After launching a daily word search game, I randomly thought of this math game while driving. Finally got around to making it and I think it turned out pretty cool. It’s a math search game that’s meant to help you practice your quick addition, subtraction, multiplication, and division skills. I’m hoping it’ll help people (even those like me who aren’t big on math) learn and increase their speeds. (There are also some settings you can enable to make the game harder) If you try it out, please let me know if you found it fun, if you have anything you’d like me to add, or if you…

    2024 · worchle.com

  2. 2IM

    Hello HN, last week, I stumbled over an old project of mine called Click The Number. I built it about six years ago to compare my clicking and reaction speed with that of my friends. The idea is simple – just click on the numbers in orders as fast as possible. I couldn't resist and rebuilt a lot of parts again, making them a bit nicer. I updated the design and added some features like a personal high score. It lets you keep track of your own best time (which makes it ever so _slightly_ more addictive). I'm curious what you think about it, and if you have any ideas where I could take it. Have…

    2022 · projects.marcnitzsche.de

  3. 3

    Dive deeper into race data

    2025

  4. 4
    Dot IQ75

    A game to improve your math intuition

    2019

  5. 5

    Personalized race day live tracking for runners 🏃‍♀️

    2019

  6. 6

    6 minute brain exercise app

    Jun 2026 · mathletiq.com

  7. 7
    Sum 2.073

    How fast can you add?

    2019

  8. 8

    Duolingo for mental math - daily brain training for adults.

    Feb 2026

  9. 9LD

    Hey HN, About twenty years ago, while I was in college, I first stumbled upon James Propp's Self-Referential Aptitude Test [1] and absolutely loved it. Ever since then, I've had this idea of turning that concept into a daily game, and I've finally built it: https://www.logiquiz.com/ The game interface checks each question against the answers you've given, so it doesn't spoil anything by giving away the answers. There are five different tests each day, from very easy to very hard. I'd love to hear what you think! [1]: https://faculty.uml.edu/jpropp/srat-Q.txt

    2025 · logiquiz.com

  10. 10

    Conquer the numbers. Level up your mental math speed.

    Jun 2026 · targetmath.thevshub.in

  11. 11

    Mental math battles that make kids faster every day

    Apr 2026 · learnmath.anng.dev

  12. 12IM
  13. 13

    Boost math skills with fun speed challenges

    26d ago · play.google.com

  14. 14

    Challenge real opponents in 1v1 games

    Jun 2026 · brainduel-one.vercel.app

  15. 15

    A daily 6-minute brain benchmark you race with friends

    Jul 2026 · playneurosprint.vercel.app

  16. 16

    Competitve mental math, solo or online

    Dec 2025

  17. 17

    High-speed math challenge. Beat the clock with combos!

    27d ago · neon-math.beaconstrike.com

  18. 18

    Every correct answer makes you faster

    Jun 2026 · apps.apple.com

  19. 19IM

    I just launched my first-ever mobile app. It’s called STEPRACERS, a game where you compete with friends by tracking your steps. The idea came from someone close to me who completely changed their life by focusing on their health. Every night, they’d send me their step count - a small, daily ritual that became a powerful reminder of progress. So I turned it into a game. It’s fun. It’s simple. And it might just push you to hit your 10k steps a day.

    2025 · stepracers.com

  20. 20SR

    Racemetric is a simple athletic race registration and credit card processing app. It's all written in Haskell (Snap, Heist) and JS on top of PostgreSQL. The idea is for race organizers to accept credit card registration payments within minutes instead of having to talk to sales people, get a merchant account, build a custom web page, etc. As a runner and rower, I'd like to have all my race results in one place and one format. Of course I'm looking for customers as well as any feedback you have to give! Feel free to contact me directly at [email protected]. This Show HN grew out of another…

    2014 · racemetric.com

  21. 21

    Fast mental math game with no distractions

    Jan 2026

  22. 22IM

    Got tired of my debates with my friend's ending in "I'm right bc I said so" so I made a platform where you can debate with your friend's(or a bot, recently added feature) about whatever you want, and after the debate is done a LLM judges who's more sound in logic. Gain points and climb the leaderboard! Feedback and criticism would be appreciated(there's a discord in there if you wanna talk more in depth) p.s.: I decided to use google acc sign in since it makes the whole thing easier to manage(live chatroom feature, etc.). I don't actually do anything with your emails

    2025 · crs-prod-rankeddebate-l4dnggfaca-nn.a.run.app

  23. 23

    Real-time sports quiz battles Globally

    Jan 2026

  24. 24

    Mental math training app with/without soroban, flash numbers

    Mar 2026

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