Pi-hole is a free, open-source network-level ad blocker that acts as a DNS sinkhole. Installed on a Raspberry Pi or any Linux server, it blocks ads and trackers for all devices on a network without requiring per-device configuration. It is the standard for self-hosted DNS-level ad blocking.
Pi-hole dominates the self-hosted ad blocking space with a large community and extensive documentation. It competes with cloud-based alternatives (NextDNS, AdGuard DNS) that offer similar filtering without self-hosting. Its free, open-source model creates a loyal community but limits commercial revenue.
Pi-hole functionality without self-hosting. Cloud-based with a generous free tier. Works on mobile networks and away from home. The most common Pi-hole alternative for non-technical users.
Self-hosted like Pi-hole but with HTTPS filtering, a more modern web interface, and built-in DNS-over-HTTPS. Increasingly preferred by users who want more than basic DNS blocking.
Free browser extension that blocks ads at the browser level with cosmetic filtering (removes ad placeholders). More precise than DNS blocking but only works in browsers, not system-wide.
Cloud-based DNS filtering with enterprise features: identity-based policies, logging, and WARP integration. Free tier includes basic DNS filtering. More powerful than Pi-hole for organizations but overkill for home use.
Pi-hole requires hardware, setup, and maintenance. NextDNS and AdGuard DNS offer the same result with zero maintenance. Pi-hole's advantage is complete data control — DNS queries never leave the local network. The trade-off is complexity vs. privacy.
Pi-hole is funded by donations and maintained by volunteers. This creates a sustainable but slow-moving project. AdGuard Home, backed by a commercial company, ships features faster. Pi-hole's community is its moat but also its development bottleneck.
DNS-over-HTTPS and DNS-over-TLS are becoming standard. Pi-hole supports these through upstream resolvers but does not natively serve encrypted DNS. AdGuard Home has built-in DoH/DoT support, giving it an edge with users who want encrypted DNS resolution.
Pi-hole competes with NextDNS (cloud-hosted alternative), AdGuard Home (self-hosted with more features), uBlock Origin (browser-level blocking), and Cloudflare Gateway (enterprise DNS). Pi-hole remains the standard for self-hosted network-level ad blocking.
Pi-hole gives complete data control — DNS queries stay on your network. NextDNS is easier to set up and works on mobile networks. Technical users who value privacy prefer Pi-hole. Everyone else benefits from NextDNS's convenience. Many users run both.
No. Pi-hole runs on any Linux system — a VM, Docker container, old laptop, or cloud VPS. A Raspberry Pi is the most common option because it is cheap, silent, and low-power. Any device that can run Linux can run Pi-hole.