If you absolutely cannot pay, use Adguard DNS + a browser with built-in ad blocking (Brave, Firefox + uBlock Origin). It's not as powerful as Premium, but it's 100% free and safe.
The Premium version provides device-wide protection that the free version lacks.
License Valid. Premium Activated.
: AdGuard offers free licenses for developers of filters/userscripts and special programs for schools and colleges.
often receive free license keys in exchange for testing new features and providing feedback. Official Giveaways : AdGuard frequently holds contests and giveaways on their Official Blog Reddit community AdGuard Free vs. Premium for Android AdGuard Free vs. Premium - Is It Worth Upgrading in 2026? Adguard Premium License Key Free For Android
Because keys are verified server-side, publicly shared "free" keys rarely work for long, as they quickly exceed their activation limits and get blacklisted by AdGuard. The Hidden Dangers of Online "Free Keys" and Cracks
Cybercriminals inject malicious code into these APKs. By installing a cracked version of Adguard—an app that requests VPN and system-wide permissions—you are essentially handing the keys to your digital kingdom to hackers. These modified apps can: If you absolutely cannot pay, use Adguard DNS
Beyond the security risks, using cracked software and unlicensed license keys is a form of software piracy, which is illegal and violates the software license agreement. This practice directly harms developers, as they "rely heavily on purchasing software for meeting operational costs, research, product developments etc".
. In exchange for helping test new versions and reporting bugs, the company may provide active contributors with free premium access. AdGuard DNS (30-Day Trial) License Valid