Work · alternatives · 2026
24 alternatives to Calcu
Yet another basic calculator
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Calcu launched in 2020; newer entries below may have overtaken it.
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- 5AD
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 →
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A free-form calculator for Chrome
2022 · chromewebstore.google.com · its alternatives →
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GitHub▲5Minimal calculator built with core web technologies
Jan 2026 · github.com · its alternatives →
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Maker Calc▲91Measurement calculator for people who build with their hands
2023 · makercalc.com · its alternatives →
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- 12IG
I’ve always found that online calculators tend to have bad UIs, especially on mobile. Most of the calculator websites I’ve come across use outdated and inconvenient ways of inputting data, or they format the results in confusing ways. I’ve noticed that fraction calculators (especially mixed fractions) are terrible to use, even on desktop. I haven’t built one of those yet, but it’s something I’m planning to tackle soon. This is a project I’ve always wanted to work on, but I’m relatively new to this space. So far, I’ve created a collection of simple calculators focused on math and finance. I’d…
2025 · its alternatives →
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Really simple, but sometimes really useful...
2017 · chromewebstore.google.com · its alternatives →
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The best digital calculators from around the web
2018 · calculatorindex.com · its alternatives →
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Crunch numbers using functional programming!
2025 · rohanphanse.github.io · its alternatives →
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Make numbers and basic arithmetic as easy as 0,1,2,3
2016 · its alternatives →
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calculator, math, education, percentages, learning, students
2025 · apps.apple.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 →