First, Chrome's rendering engine is Blink. Chromium is not a rendering engine, it's the open-source version of Chrome. Second, third-party browsers use their o

First, Chrome's rendering engine is Blink. Chromium is not a rendering engine, it's the open-source version of Chrome. Second, third-party browsers use their own rendering engines (Gecko, Blink) on MacOS, while iOS only allows WebKit.