If you are keen on personal privacy, you might have come across Brave Browser. Brave is a Chromium-based browser that promises to deliver privacy with built-in ad-blocking and content-blocking protection. It also offers several quality-of-life features and services, like a VPN and Tor access. I mean, it’s even listed on the reputable PrivacyTools website. Why am I telling you to steer clear of this browser, then?
This one is open source.
Adguard is an massive contributor in the adblock scene.
Many of their products are free (Adguard Home, DNS, etc.). Even this one has a free version. They want to make money as a company and on iOS you gotta pay the Apple tax.