GrapheneOS
LineageOS
Android
e.foundation /e/
postmarketOS
Ubuntu Touch
DivestOS
Privacy-focused operating system for smartphones based on Android and microG

calculator.net
AllToolsLab
Omni Calculator
BestToolsKit
Smartly Calculators
Muxtly
geteasetools.com
500+ free online calculators and tools for finance, health, math, conversions, and more.

Which is more popular?
Based on our record, CalyxOS seems to be more popular. It has been mentioned 191 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
COS
CalyxOS
|
|
|
|---|---|---|
| Website | calyxos.org | alltools.dev |
| Pricing | — | |
| Company | — | Startup from Bulgaria · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of CalyxOS yet.
AllTools.dev is a modern, fast, free online toolkit built for people who need quick, accurate calculators and converters without signing up, creating an account, or wading through cluttered interfaces. The platform offers 500+ tools across finance (mortgage calculators, loan amortization,...
What each product offers, as listed by its team.

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

Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
CalyxOS Review: The Private & Secure Android ROM For Everyone!
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using CalyxOS and AllTools.dev. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

It ships with Signal for encrypted messaging; Tor browser to access the web without any tracking; a free and trusted VPN from the Calyx Institute; the open-source Aurora Store, a Play Store alternative, and more....
We have no reviews of AllTools.dev yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.

I use pixel 3 with https://calyxos.org/ as a home phone to play music, record videos, pictures etc. Calyxos is still providing extended support for 4a, but microG doesn't work as well compared to sandboxed google play services on... - Source: Hacker News / almost 2 years ago
For example https://androidauthority.com/grapheneos-3287030/ > "Even if you stomach the Pixel-only requirement" I have not and will not stomach that at all, nope! https://grapheneos.org/faq#supported-devices Nope! I wasn't paying... - Source: Hacker News / over 2 years ago
I'm sure you did your research. I'm writing for other readers who are interested. There are a few alternatives, more can be found but this is a selection of the most prominent offerings. /e/OS: https://e.foundation/e-os/ GrapheneOS:... - Source: Hacker News / almost 3 years ago
Tracking AllTools.dev since May 2026.
When comparing CalyxOS and AllTools.dev, you can also consider the following products.

GrapheneOS is an open source privacy and security focused mobile OS with Android app compatibility.
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Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with related in-depth information.
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Operating system for smartphones and tablet computers, based on the Android
Compare LineageOS to CalyxOS or AllTools.dev:

AllToolsLab offers 50+ free online tools including PDF tools, calculators, converters and text utilities.
Compare AllToolsLab to CalyxOS or AllTools.dev:

Android is an open source mobile operating system initially released by Google in 2008 and has since become of the most widely used operating systems on any platform.
Compare Android to CalyxOS or AllTools.dev:

Helping you make rational decisions, one calculation at a time.
Compare Omni Calculator to CalyxOS or AllTools.dev: