ContentKeeper vs DNSFilter
ContentKeeper
ativion.comDNSFilter
dnsfilter.comSide by side
| Figure | ContentKeeper | DNSFilter |
|---|---|---|
| Price from | — | $1/mo |
| Free plan | — | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | — | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | — | Yes |
| Self-hosted | — | Yes |
| Plans published | 1 | 3 |
| Spec score · Internet Filtering Software | 7.6 (#43) | 9.1 (#4) |
| Founded | 2002 | DNSFilter says it was founded in October 2015 by Ken Carnesi and Brian Gillis. |
| Headquarters | Nottingham, UK | The company lists Washington, District of Columbia as headquarters. |
| Integrations | Ativion describes StudentKeeper filtering services as connecting to ContentKeeper through an appliance link that requires an active subscription. | Integrations include Microsoft Entra, Active Directory, Zapier, ConnectWise, HaloPSA, Datto Autotask, Syncro, Pulseway PSA and Kaseya. |
| Product | ContentKeeper provides web filtering to help schools keep students safe online at school and at home. | DNSFilter provides protective DNS and content filtering for organizations, including threat protection and controls for workplace internet use. |
| Support | Ativion offers a self-service portal for product documentation, FAQs and support requests, and lists a US ContentKeeper support phone number. | DNSFilter describes responsive email support and extensive knowledge-base documentation; premium support add-ons include prioritized handling, enhanced response targets, and Zoom consultations. |
Plans
In their own words
ContentKeeper
ContentKeeper has no write-up on Specifiction yet; its figures are above.
DNSFilter
DNSFilter provides protective DNS and content filtering for organizations managing threats and workplace internet use. It categorizes billions of domains with Webshrinker machine-learning categorization, while AppAware can block more than 100 risky applications. DNSFilter says its real-time threat categorization can identify threats 10 days faster than other threat feeds. Deployments include network configuration, a DNS relay, and roaming clients for Windows, macOS, iOS, Android, and Chrome. Listed controls include DNS encryption such as DNS-over-TLS, custom blocklists, safe search, filtering schedules, and advanced activity reports. Active Directory Sync Tool supports up to 500,000 users and applies policies by user or group. Integrations include Microsoft Entra, Active Directory, Zapier, API access, and an MCP Connector. Data Export supports Amazon S3 and Splunk, with Microsoft Sentinel also named. API access is included in all plans, with rate limits but no overall usage cap. Pricing starts at $1/mo (annual), with a 14-day trial and no free plan.