Work · alternatives · 2026

24 alternatives to Calculator Notepad

A free-form calculator for Chrome

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Calculator Notepad launched in 2022; newer entries below may have overtaken it.

1
Calculator Notepad▲5
A free-form calculator extension for Google Chrome
2022 · chromewebstore.google.com · its alternatives →
2
Note Pad Calculator▲67
Web Notepad that supports calculations
2015 · its alternatives →
3
Numbr▲289
An elegant calculator for the web
2021 · numbr.dev · its alternatives →
4
TCal▲58
Notepad calculator app
2022 · apps.apple.com · its alternatives →
5
Calculator inside Chrome Browser▲6
Really simple, but sometimes really useful...
2017 · chromewebstore.google.com · its alternatives →
6
Soulver 3 for Mac▲194
A smart notepad with a built in calculator
2019 · soulver.app · its alternatives →
7AD
All desktop software calculators are wrong, so I had to build my own▲286
A new calculator software cannot really bring attention (https://chachatelier.fr/chalk/) However, I wrote a full article explaining why I had to build something "new" that does not behave like usual desktop calculator softwares : TL;DR All "small" calculator softwares I know share the same design flaws. And the GUI is not the only stumbling block in their poor efficiency. Handling correctly numerical approximations - expected or not - is crucial to trust the results. It is usually not done in lightweight tools. It should. So I prove that if I could do it, OS manufacturers…
2022 · its alternatives →
8
Chrome Extension Calculator▲9
Never leave your browser to make a quick calculation
2024 · chromewebstore.google.com · its alternatives →
9
CalcMate▲88
calculate numbers, dates, units within notes
2023 · accounts.google.com · its alternatives →
10
iPad Calculator▲188
Revolutionizing calculations on iPad – smarter, faster, best
2024 · apple.com · its alternatives →
11
Numbr – notepad plus calculator (Chrome extension)▲8
Numbr is a smart calculator combined with a notepad. You can use notes with numbers alongside each other.
2022 · numbr.dev · its alternatives →
12
FusionCalc (Memo Calculator) for Chrome▲119
Calculator Extension with Memo Feature
2024 · chromewebstore.google.com · its alternatives →
13
Notepad Calculator – create and share back of the envelope calculations▲7
For jotting down and sharing quick calculations. Type free-form text and see the results of any calculations appear in the margin.
2015 · notepadcalculator.com · its alternatives →
14
Webacus▲106
Swiss-army knife for developers
2022 · webacus.dev · its alternatives →
15NS
Notepad Style Online Calculator▲6
2020 · type-calc.herokuapp.com · its alternatives →
16
Simpleator▲62
A simple calculator for complicated math
2019 · simpleator.com · its alternatives →
17
Quick spreadsheet▲78
Calculations and notes inside your browser tab
2021 · chromewebstore.google.com · its alternatives →
18
CalcNote▲4
The notepad calculator
2019 · play.google.com · its alternatives →
19
calC▲5
A beautiful calculator and converter for Google Chrome
2016 · chromewebstore.google.com · its alternatives →
20
CommonCalculator▲6
Web Based Calculators
2020 · commoncalculator.com · its alternatives →
21
Calc-o-pad, a notepad with calculator (mobile first webapp)▲8
A new Flutter project.
2022 · calc-o-pad.thejunkland.com · its alternatives →
22
acalculator.online▲18
Free and reliable calculators
2025 · acalculator.online · its alternatives →
23
The notepad that thinks in numbers▲5
Smart math notes
Dec 2025 · numla.app · its alternatives →
24
Day2Day Calculator▲12
No BS. Simple calculator for day-to-day use
2025 · chromewebstore.google.com · its alternatives →

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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 →