As of 2026, AdGuard Pro and the standard AdGuard for iOS are functionally very similar, with both providing advanced DNS filtering and Safari protection. The "Pro" version is typically a one-time purchase on the App Store.
Allows users to choose their own DNS servers to block ads, trackers, and malicious sites.
AdGuard Pro is a specialized ad blocker for iOS that utilizes local VPN technology to block ads in Safari, other browsers, and apps, while providing DNS filtering to protect privacy.
between that 2021 version and the current 2026 version? AdGuard Pro — Adblock for iOS | Overview
If you are trying to install or update a specific version from 2021, ?
