AdGuard vs OpenBLD

AdGuard is a family of apps and services for filtering content across desktop and mobile devices. Its tools include custom filter lists, an element picker and cookie-popup blocking. The listed apps cover Windows, Mac, Android, Android TV, iOS, browsers and Linux, while AdGuard Home can extend coverage across a home network when installed on a router. Security features block phishing, malware, dangerous and malicious sites, and inappropriate content. AdGuard Content Blocker and AdGuard DNS are free products; Content Blocker works in Samsung Internet and Yandex Browser, with fewer features than the Android version. Personal licenses cover three devices and Family licenses cover nine. Licenses are available for one year or a lifetime, with annual billing or a one-time payment, but no prices are listed. Trials last 14 days for Windows, Mac, Android and Android TV, and seven days for iOS Premium. Purchases have a 30-day money-back guarantee for requests within 30 days. Support is available by email 24/7.

OpenBLD provides protective DNS to block malware, phishing, tracking and unwanted domains. It supports classic DNS, DNS-over-HTTPS and DNS-over-TLS. The free service can be configured on phones, browsers, computers and routers without installing an agent or additional software. Its ADA profile is adaptive for most users, while RIC applies stricter filtering that may affect some services. OpenBLD Free is presented for personal use, home networks and small offices, and is billed Free forever with about 100,000 DNS queries per day and a limit of 100 requests per second per IP. OpenBLD Plus is aimed at companies, security teams and managed service providers. It adds organization-specific policies, centralized DNS analytics, security events and corporate DNS integrations. Deployment options are Managed Cloud, Dedicated DNS and On-Premise; the On-Premise option keeps DNS traffic, events and analytics within customer infrastructure. The documentation says there is no Service Level Agreement for OpenBLD DNS, while Plus lists SLA options. The service was founded in 2019.