Compare pricing, deployment, product fit, integrations, and capabilities side by side.
Site owners, developers, and agencies that want inexpensive self-hosted analytics or a white-label analytics service
Important considerations: This is commercial source-available software, not an OSI open-source project. You operate PHP, MySQL, security, storage, backups, and privacy settings; SaaS resale requires the Extended license.
Developers and product teams who want analytics, replay, experimentation, and feature delivery in a single toolchain
Important considerations: Each PostHog product has separate usage metering. Self-hosting is open source but positioned for hobbyist use and requires substantial operational work.
| Attribute | 66analytics | PostHog |
|---|---|---|
| Overview | Commercial self-hosted web analytics software for PHP and MySQL that combines cookieless traffic reports, goals, visitor profiles, session replay, heatmaps, teams, and optional white-label SaaS controls. | A product and web analytics platform for developers that combines usage analytics, session replay, feature flags, experiments, surveys, and data tooling in one stack, with both cloud and self-hosted deployment options. |
| Pricing | One-time licenses: Regular $49 for personal use and Extended $319 for operating a SaaS; source code, future updates, and six months of support are included | Cloud product analytics includes 1M events/month free, then starts at $0.00005 per event; other products have separate usage-based free tiers |
| Deployment | Self-hosted | Self-hosted and hosted options |
| Best for | Site owners, developers, and agencies that want inexpensive self-hosted analytics or a white-label analytics service | Developers and product teams who want analytics, replay, experimentation, and feature delivery in a single toolchain |
| Operator | 66analytics Independent project | PostHog Inc. Independent private company |
| Company base | Distributed organization | Distributed organization |
| Organization scale | 1 team members · operator, as of 13 Aug 2026 | 215 team members · operator, as of 13 Aug 2026 |
| Recent direction | self-hosted expansion Recent official evidence shows a focus on self-hosted expansion. | AI-assisted analysis Recent official evidence shows a focus on AI-assisted analysis. |
| Key features |
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| Important considerations | This is commercial source-available software, not an OSI open-source project. You operate PHP, MySQL, security, storage, backups, and privacy settings; SaaS resale requires the Extended license. | Each PostHog product has separate usage metering. Self-hosting is open source but positioned for hobbyist use and requires substantial operational work. |
| Integrations | REST API, Webhooks, WordPress, Stripe, PayPal | Slack, Zapier, Segment |
| Fact check | We checked this information against official vendor sources on 2026-08-08. | We checked this information against official vendor sources on 2026-08-08. |
This matrix shows capabilities recorded in our catalog. Not listed means we have not confirmed the capability here. Check the linked vendor sources for plan, deployment, and usage limits.
| Attribute | 66analytics | PostHog |
|---|---|---|
| A/B testing | Not listed | Listed |
| AI insights | Not listed | Listed |
| App analytics | Not listed | Listed |
| Audience insights | Listed | Listed |
| Behavior analytics | Listed | Listed |
| CCPA compliant | Listed | Not listed |
| Cohort analysis | Not listed | Listed |
| Cookieless | Listed | Not listed |
| Custom reports | Listed | Listed |
| Data export | Listed | Listed |
| Data ownership | Listed | Listed |
| E-commerce tracking | Not listed | Listed |
| Enterprise | Not listed | Listed |
| Error tracking | Not listed | Listed |
| Event tracking | Listed | Listed |
| Free plan | Not listed | Listed |
| Funnels | Not listed | Listed |
| GDPR compliant | Listed | Listed |
| Goals | Listed | Listed |
| Heatmaps | Listed | Listed |
| Integrations | Listed | Listed |
| Open source | Not listed | Listed |
| Privacy-first | Listed | Not listed |
| Real-time data | Listed | Listed |
| Retention analytics | Not listed | Listed |
| Revenue tracking | Not listed | Listed |
| Self-hosted | Listed | Listed |
| Session recordings | Listed | Listed |
| Surveys | Not listed | Listed |
| User segments | Listed | Listed |