Life & fun · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Memorize 39 Digits of Pi launched in 2015; newer entries below may have overtaken it.

1. 1
   Pi Memorizer▲68

   Prove how well you know the digits of Pi!

   2016 · piday.xyz · its alternatives →

2. 2
   Pi Digits Challenge▲129

   It's Pi day! How many digits do you remember?

   2025 · pi-challenge.replit.app · its alternatives →

3. 3
   The Memory Palace - Numbers▲63

   Remembering the numbers that represented lives in the draft

   2016 · thememorypalace.us · its alternatives →

4. 4IM
   I made a minimalist spaced repetition tool▲140

   2020 · memordo.com · its alternatives →

5. 5
   Memorize Pi for Dummies

   Pi Memory for People Who Can’t Memorize Stuff

   Jan 2026 · apps.apple.com · its alternatives →

6. 6ME
   Memorize every colleague’s name with spaced repetition▲6

   2018 · namorize-1.appspot.com · its alternatives →

7. 7
   Pixnary▲53

   A visual way of learning words

   2015 · pixnary.com · its alternatives →

8. 8
   Yank▲40

   Build flashcards at the speed of light

   2025 · yank.studio · its alternatives →

9. 9HH
   Huffgram helps you memorize data▲9

   2019 · huffgram.com · its alternatives →

10. 10
    MemoMath▲5

    Train your math and memory skills in a fun way

    2015 · play.google.com · its alternatives →

11. 11TS
    The Surprisal Calculator WM±7▲6

    2025 · surprisal.onrender.com · its alternatives →

12. 12RL
    RebilderU – Learn with a near perfect memory▲7

    2014 · rebilderu.com · its alternatives →

13. 13FL
    Fast, Local, Linked Notes▲7

    2020 · jottt.xyz · its alternatives →

14. 14IS
    Information Silo Calculator▲9

    2017 · datasilos.org · its alternatives →

15. 15BC
    Binary Counting▲8

    2022 · bits.kodare.com · its alternatives →

16. 16
    I made an app to help memorize music notation and the guitar fretboard▲8

    2024 · learnfrets.com · its alternatives →

17. 17
    Memorang▲6

    Memory games and flashcards for serious learners

    2016 · memorang.com · its alternatives →

18. 18
    I made a tool that lets you collect large amounts of human inputs fast▲5

    2024 · app.rapidata.ai · its alternatives →

19. 19EN
    Every number in a tiny GPT, from one forward pass to one step of RLHF▲8

    16d ago · llm.manogya.dev · its alternatives →

20. 20IM
    I made a faster way to pick 30k+ Unicodes▲6

    2022 · getmumu.com · its alternatives →

21. 21
    Rememberize - Flashcards▲5

    The memory assistant and flashcard tool

    2016 · play.google.com · its alternatives →

22. 22
    Ezmonic▲5

    Memorize long numbers with ease.

    2020 · its alternatives →

23. 23BA
    Baseconv: a (very) tiny number conversion utility▲5

    2016 · baseconv.ddns.net · its alternatives →

24. 24
    Mathpix▲12

    OCR for solving hand-written math equations

    2016 · mathpix.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 →