
SpeedCrunch
Numi App
Soulver
fxSolver
NumWorks
OpenCalc
WolframAlpha
Qalculate! is a multiplatform multi-purpose desktop calculator.

Healthcare AI
Healy
Put together your health app with our HIPAA compliant AI builder and prefab healthcare components. Our components help build, launch and iterate your health app 10x faster than traditional app development

Which is more popular?
Based on our record, Qalculate! seems to be more popular. It has been mentioned 35 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | qalculate.github.io | specode.ai |
| Pricing | ||
| Company | — | 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Qalculate! yet.
After years of developing health apps for Fortune 500 hospitals and YC startups, we noticed a pattern: founders and organizations requested similar core features, essential for telehealth delivery but time-consuming to build from scratch. We decided it was time to stop reinventing the wheel....
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Qalculate! is recommended for students, engineers, scientists, and anyone who requires a robust computing tool for everyday calculations, unit conversions, and advanced mathematical functions. It's also ideal for users who appreciate open-source software and those looking for a customizable and comprehensive calculator.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
DSP Raspberry Pi 4 Qalculate! Install
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How often each product is chosen within a category, 0–100% relative to the other.


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Recommendations tracked on public social media and blogs since March 2021.


Qalculate is my favourite REPL-like calculator, although it unfortunately lacks an iOS app. It feels similar to using an HP 48-series calculator. Numbat is similar, but more... - Source: Hacker News / 10 months ago
Https://qalculate.github.io can do this also for as long as I've used it (only a couple years to be fair). I've got it on my phone, my laptop, even my server with the qalc command. Super convenient, supports everything from unit... - Source: Hacker News / over 1 year ago
Interesting project. I use command line Qalculate [1] for this (has a very similar feature set to Frink AFAICT) and Pint [2] for scripting. I feel like unit-aware calculators are hugely underused by physical engineers, it's the same idea... - Source: Hacker News / over 1 year ago
Tracking Specode since Feb 2026.
When comparing Qalculate! and Specode, you can also consider the following products.

SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .
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Next-level insights in healthcare AI, where they needed most
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Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.
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fxSolver is an free online math solver, equation library, graphing calculator and science/engineering problem helper. To get started, add some formulas, fill in any input variables and press "Solve."
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