"No shady privacy policies or back doors for advertisers" proclaims the Firefox homepage, but that's no longer true in Firefox 128.
Less than a month after acquiring the AdTech company Anonym, Mozilla has added special software co-authored by Meta and built for the advertising industry directly to the latest release
Try out Voyager or one of the other iOS apps. I use it on an iPhone that’s older than yours (13 pro) and it’s always smooth and responsive.