Dev tools · alternatives · 2026

24 alternatives to Numlex

A notepad based calculator

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Numlex launched in 2024; newer entries below may have overtaken it.

1. 1IM
   I made a web-based notepad with a built in unit calculator▲488

   Hi HN It also supports percentages, dates and variables. I've been working on this alone for a few years now, so would love to get some feedback.

   2022 · numpad.io · its alternatives →

2. 2
   Numla▲1

   Smart math notes

   Dec 2025 · numla.app · its alternatives →

3. 3
   Numbr▲289

   An elegant calculator for the web

   2021 · its alternatives →

4. 4
   Numle▲69

   Fun math numbers game app with mechanics similar to Wordle

   2022 · its alternatives →

5. 5
   Numi▲588

   A beautiful calculator app for Mac

   2015 · its alternatives →

6. 6CA
   CalcuLaTeX, a pretty-printing calculator language▲230

   2021 · mkhan45.github.io · its alternatives →

7. 7
   Paperspade▲211

   Type math easily through just English text!

   2017 · its alternatives →

8. 8
   Numleet▲63

   Math game that challenges you to find correct equation in 1m

   2022 · its alternatives →

9. 9
   Calculator Notepad▲75

   A free-form calculator for Chrome

   2022 · its alternatives →

10. 10
    Numeracy 2.0▲421

    Write less SQL, faster

    2018 · its alternatives →

11. 11
    NumPad▲118

    A powerful text editor and calculator for the web

    2022 · its alternatives →

12. 12TN
    Trilium Notes – Scriptable note-taking application▲328

    2019 · github.com · its alternatives →

13. 13
    figr.app▲94

    Realtime, multi-user notepad calculator

    2022 · its alternatives →

14. 14OS
    Open source non-linear notepad app▲222

    2018 · getmicropad.com · its alternatives →

15. 15
    Numeracy▲203

    A SQL pad that gives you x-ray vision for your data

    2017 · its alternatives →

16. 16
    Soulver 3 for Mac▲194

    A smart notepad with a built in calculator

    2019 · its alternatives →

17. 17FA
    Figr.app – a multi-user, notepad style calculator (desktop app)▲275

    Hi all, just posting an update to my previous Show HN, where I announced a side-project I worked on which was a (web version) of a multi-user, notepad style calculator: https://news.ycombinator.com/item?id=31817997 After a couple of user requests (and having a good think about it) I decided to migrate the web UI to create a Mac and Windows desktop app. After using it a little bit, I feel this is a much better experience than the webapp, and reduces a lot of the friction if I wanted to run a few small calculations. You can find the download links below:…

    2022 · figr.app · its alternatives →

18. 18
    NumWorks▲196

    The graphing calculator that makes learning math easier.

    2017 · its alternatives →

19. 19
    NumPad▲6

    A powerful text editor and calculator for the web

    2025 · numpad.io · its alternatives →

20. 20
    CalcMate▲88

    calculate numbers, dates, units within notes

    2023 · its alternatives →

21. 21
    Notation▲190

    The notepad that is always just one keystroke away 📝

    2019 · its alternatives →

22. 22
    TCal▲58

    Notepad calculator app

    2022 · its alternatives →

23. 23MA
    Mathup – A simple MathML authoring tool▲32

    2020 · runarberg.github.io · its alternatives →

24. 24CO
    Calc-o-pad, a notepad with calculator (mobile first webapp)▲8

    2022 · calc-o-pad.thejunkland.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →