2024 was the release of iOS 17.4, when Apple allowed third party browsers to use their own engine instead of WebKit/Safari as a layer beneath. So it could very well be that Firefox Mobile and Chrome Mobile on iOS don’t get registered as iOS Device in this survey due to their user agent.
2024 was the release of iOS 17.4, when Apple allowed third party browsers to use their own engine instead of WebKit/Safari as a layer beneath. So it could very well be that Firefox Mobile and Chrome Mobile on iOS don’t get registered as iOS Device in this survey due to their user agent.
No browser uses a different engine yet (presumably because Apple only allows them to offer this in the EU, under draconian conditions).