A traditional ad blocker works at the browser level. While it can block more types of ads, it is also limited to the browser and it takes more CPU and battery to do the same thing. NextDNS works a level below, and thus work for all applications running on your devices, like games, etc. Even apps with with no ads sometime have tracking technology that can invade your privacy. Not to mention apps that run malicious operations in your back, like crypominers or trojan horses.

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