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However, as with all other iOS web browsers, the iOS version uses the WebKit layout engine instead of Gecko due to platform requirements.
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It is also available for Android and iOS. Its unofficial ports are available for various Unix and Unix-like operating systems, including FreeBSD, OpenBSD, NetBSD, illumos, and Solaris Unix. Firefox is available for Windows 7 and later versions, macOS, and Linux. In November 2017, Firefox began incorporating new technology under the code name Quantum to promote parallelism and a more intuitive user interface. It uses the Gecko rendering engine to display web pages, which implements current and anticipated web standards. Mozilla Firefox, or simply Firefox, is a free and open-source web browser developed by the Mozilla Foundation and its subsidiary, the Mozilla Corporation.
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