I use Chrome / Chromium with uBlock Origin, and am basically ad free. uBlock Origin works great on Firefox too, and I'm a Firefox user on Android solely because

I use Chrome / Chromium with uBlock Origin, and am basically ad free. uBlock Origin works great on Firefox too, and I'm a Firefox user on Android solely because this extension exists, and Chrome for Android refuses to run extensions. Heck, even Microsoft Edge can run ad blockers now. There's no shortage of options if ads are the primary thing keeping you away from competitors.