It is important to understand that iOS is a fairly closed operational system and ad blocking functionality beyond Safari is severely limited. The first thing you need to do is to enable DNS protection and choose AdGuard DNS server: AdGuard SettingsDNS protectionToggle the switch to ONDNS serverAdGuard DNS.
If it didn't help, do the following:
Open the same website in Safari. Since Apple allows content blocking only in Safari, we can block ads way more efficiently in this browser.
Or please do contact support@adguard.com, we will provide you with further instructions on what can be done.

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+1 844 907 4466
UK: 0808 178 7234
De: +44 20 3974 2348
AdGuard download has started Click the button indicated by the arrow to start the installation. Select "Open" and click "OK", then wait for the file to be downloaded. In the opened window, drag the AdGuard icon to the "Applications" folder. Thank you for choosing AdGuard! Select "Open" and click "OK", then wait for the file to be downloaded. In the opened window, click "Install". Thank you for choosing AdGuard! Install AdGuard for mobile devices as well