Life & fun · alternatives · 2026
24 alternatives to How to mentally calculate the day of the week for any date
This website teaches a mental math technique for calculating the day of the week for any date without a calendar or memorization. Users learn two core concepts and practice to develop the skill of determining weekdays… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1
Mentally calculating the day-of-the-week for any date in history sounds like an impossible task for a normal person, but the algorithm is actually pretty simple to learn. Although there are tutorials for this elsewhere online, and little quizzes available, there didn't seem to be anything well optimised with multiple practice modes etc. I originally created a basic version of this just for myself, but a small group of friends and family found it interesting and gave suggestions such as the daily game. Multi-lingual support is a bit rudimentary at the moment, it will only translate the month…
2023 · benjoffe.com · its alternatives →
- 2
Build your mental math skills with free online practice, step-by-step strategies, and a daily challenge. Start a quick round with Mental Math Pro.
2024 · mentalmathpro.com · its alternatives →
- 3
5 Mins Maths▲110Train 5 minutes of mental math every day, fully customizable
2019 · apps.apple.com · its alternatives →
- 4
Become a human calculator in 14 lessons
2024 · mentalmathpro.com · its alternatives →
- 5
The perfect companion for kids learning mental arithmetic
2019 · apps.apple.com · its alternatives →
- 6
- 7
- 8
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 · its alternatives →
- 9
Mental fitness in less than 5 min every Monday.
2022 · diamandis.com · its alternatives →
- 10
- 11
Calcular▲81Mental maths done right, with speech-to-text and AI
2020 · apps.apple.com · its alternatives →
- 12
Daily ▲6Mental math training app with/without soroban, flash numbers
Mar 2026 · exiiit.com · its alternatives →
- 13
- 14
- 15
Timekeeping companion, stay in sync with date & time
2023 · play.google.com · its alternatives →
- 16
Become a mental math genius in no time!
2022 · apps.apple.com · its alternatives →
- 17
It's a new and modern take on mental math training
2018 · play.google.com · its alternatives →
- 18
Numerlo▲3Duolingo for mental math - daily brain training for adults.
Feb 2026 · apps.apple.com · its alternatives →
- 19IB
2025 · weeklong.life · its alternatives →
- 20
- 21
Free online timed math drills for kids (Class 1-5)
Feb 2026 · mentalmath.cc · its alternatives →
- 22
- 23
No BS. Simple calculator for day-to-day use
2025 · chromewebstore.google.com · its alternatives →
- 24
Your mental math trainer - play solo or against friends!
2025 · apps.apple.com · its alternatives →
Also compare
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 →