Commerce · alternatives · 2026
24 alternatives to Dencho
The tape calculator you can edit — fix a line, it recomputes
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
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I launched NumPad v1 on here a few years ago, and back then it wasn't much more than a thin CodeMirror wrapper around the calculator engine I'd written. Now I've rewritten it as a PWA that supports multiple documents, persists them to IndexedDB, and has a syncing service for paying customers. Syncing is handled by Automerge[1] under the hood, which should make it relatively easy to get document sharing working too. [1] https://automerge.org/
2022 · numpad.io · its alternatives →
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Hi all, just posting an update to my previous Show HN, where I announced a side-project I worked on which was a (web version) of a multi-user, notepad style calculator: https://news.ycombinator.com/item?id=31817997 After a couple of user requests (and having a good think about it) I decided to migrate the web UI to create a Mac and Windows desktop app. After using it a little bit, I feel this is a much better experience than the webapp, and reduces a lot of the friction if I wanted to run a few small calculations. You can find the download links below:…
2022 · figr.app · its alternatives →
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- 6AD
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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CalcMate▲88calculate numbers, dates, units within notes
2023 · accounts.google.com · its alternatives →
- 9
Smart tape calculator for clear, editable math history
2025 · apps.apple.com · its alternatives →
- 10
A free-form calculator for Chrome
2022 · chromewebstore.google.com · its alternatives →
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Numby▲83A natural language calculator for your terminal and macOS
Nov 2025 · numby.vivy.app · its alternatives →
- 14
The ultimate tip calculator with split function
2021 · tipcalc.net · its alternatives →
- 15
Awesome gesture-based calculator. Beautifully designed.
2014 · rechner-app.com · its alternatives →
- 16
Build website calculators with no code, just spreadsheets
2024 · calculatorstudio.co · its alternatives →
- 17
Optimize the cutting layout for any sheet material.
Jun 2026 · smartees.tech · its alternatives →
- 18
Calculate on Home Screen (iOS 17 Interactive Widget)
2023 · desktop-calculator.com · its alternatives →
- 19
A shareable, list-based calculator. No login required.
Aug 2026 · simple-sheet-iota.vercel.app · its alternatives →
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40+ calculators and unit converters for everyday use
2018 · apps.apple.com · its alternatives →
- 21
A fast, accurate tool for calculating cash change.
Jul 2026 · play.google.com · its alternatives →
- 22
All-in-one calculator: scientific, unit, currency & more
2025 · apps.apple.com · its alternatives →
- 23
Improve oral arithmetic ability; file - > PDF.
2021 · apps.apple.com · its alternatives →
- 24
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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 →