Answers to the most common questions about Polyapps.
Polyapps FAQ
Polyapps is a macOS launcher that lets you open several Firefox profiles (and Gecko-family browsers) side by side, each with its own color, icon and name in the Dock.
No. Polyapps collects no data, has no account and never accesses the internet. Everything stays local on your Mac.
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Firefox, Thunderbird, LibreWolf, Waterfox, Floorp, Zen, Mullvad, Pale Moon, Basilisk and SeaMonkey. Apps that aren't installed are flagged with a download link.
Polyapps creates a lightweight copy of the browser with a colored icon. After an update this copy is rebuilt, so a firewall like LuLu may ask for confirmation, which you can accept.
No. The copies use APFS cloning: they take almost 0 bytes until the original browser is modified.
Last updated — 09/07/2026
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