OpenPanel vs Ruler Analytics in 2026: Open-source product analytics vs B2B revenue attribution
One is a $2.50-a-month, self-hostable tool for tracking custom product events. The other is a demo-gated B2B platform starting at £269 a month that connects every marketing touchpoint to closed revenue in your CRM.
OpenPanel
Ruler Analytics- OpenPanel is fully self-serve, sign up and start tracking events immediately from $2.50/month. Ruler Analytics has no self-serve sign-up at all; every plan, starting at £269/month, requires booking a demo before you see pricing or access the product.
- Ruler Analytics closes the loop between marketing touchpoints and offline CRM revenue, phone calls, trade show leads, sales outreach, matching closed deals in Salesforce or HubSpot back to the original marketing source. OpenPanel tracks in-product and on-site events, not offline sales-cycle revenue.
- OpenPanel includes funnels, A/B testing, and revenue tracking at every tier from $2.50/month. Ruler reserves its most powerful measurement layer, marketing mix modelling and its AI Agent, for the Advanced plan at £1,349/month.
- OpenPanel is open-source and self-hostable at any scale. Ruler Analytics is a closed, demo-gated SaaS platform with no self-hosting option and no free tier or trial.
- Ruler integrates with more than 1,000 applications across CRMs, ad platforms, data warehouses, and BI tools including Power BI, Tableau, and Looker Studio. OpenPanel's integration story centers on its own 38 MCP tools for AI-agent access rather than a broad third-party integration catalog.
- OpenPanel exposes 38 Model Context Protocol tools for AI agents to query analytics data directly. Ruler's AI layer, an AI Agent for analysis and media planning, is only available on the £1,349/month Advanced plan.
OpenPanel and Ruler Analytics sit at opposite ends of the analytics market in almost every dimension that matters. OpenPanel is an open-source product and web analytics platform, custom events, funnels, A/B testing, and revenue tracking, priced by monthly event volume from $2.50/month, with the option to self-host. Ruler Analytics is a UK-built marketing measurement platform that connects online and offline touchpoints, including phone calls and trade shows, back to closed-won revenue in your CRM, with multi-touch attribution and marketing mix modelling, priced from £269/month and gated entirely behind a demo call. If you need to instrument a product cheaply and self-serve, OpenPanel is the obvious fit. If you are a B2B marketing team trying to prove which channels actually produced revenue six months after the first click, that is squarely Ruler's job.
The tools at a glance
OpenPanel
Open-source product and web analytics with self-hosting, MCP integration, and Mixpanel-level event depth
OpenPanel is an open-source analytics platform for tracking custom events, user flows, funnels, A/B testing, and revenue, priced by monthly event volume starting at $2.50/month for 5,000 events. Signup is entirely self-serve, and the same codebase can be self-hosted on your own infrastructure for teams that need full data ownership.
All core features are included at every pricing tier, and 38 Model Context Protocol tools let AI agents query OpenPanel data directly, a capability aimed at developer teams building agent-driven workflows on top of their own product analytics.
OpenPanel does not attempt multi-touch attribution across marketing channels, and it has no CRM integration for connecting offline sales-cycle revenue back to the original marketing source. It answers "what did users do in my product or on my site," not "which channel actually closed this deal six months later."
| Feature | 5K events $2.50/mo | 100K events $20/mo | 1.0M events $90/mo | Custom Contact |
|---|---|---|---|---|
| Custom event tracking | ✓ | ✓ | ✓ | ✓ |
| Funnel analysis | ✓ | ✓ | ✓ | ✓ |
| A/B testing | ✓ | ✓ | ✓ | ✓ |
| MCP tools (38) | ✓ | ✓ | ✓ | ✓ |
| Self-hosting option | ✓ | ✓ | ✓ | ✓ |
Ruler Analytics
Unified marketing measurement platform that connects every customer touchpoint, online and offline, to real revenue in your CRM
Ruler Analytics is a UK-based marketing measurement platform built for B2B and lead-generation businesses that need to connect marketing activity to revenue rather than stopping at a form-fill conversion. It pulls offline data, phone calls, trade show leads, CRM opportunity stages, back into marketing reporting so a deal that closes months after the first web visit can still be attributed to the channel that started it.
The platform runs three measurement layers: multi-touch attribution across six models (first click, last click, time decay, linear, position-based, data-driven), marketing mix modelling for channels that never generate a trackable click, and incrementality testing to validate whether observed uplifts are real. It integrates with more than 1,000 applications, including Salesforce, HubSpot, and every major ad platform and BI tool.
Every plan starts at a demo call rather than a self-serve signup, pricing begins at £269/month and scales with traffic volume, and there is no free trial. The most powerful layer, marketing mix modelling and an AI Agent for analysis and media planning, is locked to the Advanced plan at £1,349/month, putting the full feature set well out of reach for small teams.
| Feature | Small From £269/mo | Medium From £449/mo | Large From £899/mo | Advanced From £1,349/mo |
|---|---|---|---|---|
| Multi-touch attribution | ✓ | ✓ | ✓ | ✓ |
| Data-driven and impression attribution | ✗ | ✓ | ✓ | ✓ |
| Marketing mix modelling | ✗ | ✗ | ✗ | ✓ |
| AI Agent (Analyst and Media Planner) | ✗ | ✗ | ✗ | ✓ |
| Dedicated CS manager | ✓ | ✓ | ✓ | ✓ |
Head-to-head feature comparison
| Feature | OpenPanel | Ruler Analytics |
|---|---|---|
| Primary focus | Product and web analytics | B2B marketing revenue attribution |
| Self-serve sign-up | Yes, immediate | No, demo required on every plan |
| Offline / CRM revenue attribution | No | Yes, phone calls, trade shows, CRM deals |
| Multi-touch attribution models | No | Yes, six models |
| Custom event tracking | Yes, all tiers | No, not a product-analytics tool |
| Self-hosting option | Yes, open-source, any tier | No |
| AI agent integration | Yes, 38 MCP tools | Yes, AI Agent (Advanced plan only) |
| Third-party integration count | Limited, first-party focus | 1,000+ apps |
| Free tier or trial | No, from $2.50/mo | No |
| Starting price | $2.50/mo (5K events) | £269/mo (Small) |
Which should you choose?
OpenPanelRuler AnalyticsOpenPanelRuler AnalyticsOpenPanelRuler AnalyticsThese tools barely overlap in practice. OpenPanel is priced and built for a developer to install in an afternoon; Ruler is priced and built for a marketing operations team with a CRM, an ad budget, and a sales cycle long enough that last-click attribution actively lies to them. The gap between $2.50/month and £269/month is not a rounding error, it reflects two entirely different buying processes and two entirely different problems.
Bottom line
Pick OpenPanel if you need to track product usage, funnels, or revenue events cheaply and self-serve, with self-hosting as a real option. Pick Ruler Analytics if you are a B2B or lead-generation business that needs to connect ad spend and content to closed-won CRM revenue across a sales cycle that spans calls, trade shows, and months of nurture, and you have budget for a £269/month-plus platform with mandatory onboarding. Neither tool substitutes for the other: OpenPanel will not tell you which channel closed a deal in Salesforce, and Ruler will not track custom in-app events for a product team.
Frequently asked questions
Can OpenPanel track offline revenue like Ruler Analytics does?
No, OpenPanel tracks first-party product and web events and has no CRM integration or call-tracking layer, so it cannot attribute closed-won deals in Salesforce or HubSpot back to marketing touchpoints the way Ruler Analytics does.
Why does Ruler Analytics require a demo instead of self-serve signup?
Ruler's pricing scales by monthly traffic volume and specific integration requirements, phone tracking, CRM connections, ad platform feeds, so the company gates every plan behind a demo call to scope the setup rather than offering a fixed self-serve price, unlike OpenPanel which you can sign up for immediately.
Is OpenPanel a cheaper alternative to Ruler Analytics for a small B2B team?
Only if you do not need offline CRM attribution, since OpenPanel starts at $2.50/month but has no phone call tracking, no CRM matching, and no marketing mix modelling, all of which are the reasons a B2B team would consider Ruler at £269/month and up in the first place.
Does OpenPanel offer marketing mix modelling like Ruler's Advanced plan?
No, OpenPanel is a product and web analytics tool without any marketing mix modelling or impression-based attribution for channels like TV or out-of-home advertising, which is a feature unique to Ruler's £1,349/month Advanced tier.
Which tool is better for a SaaS company tracking in-app usage rather than marketing attribution?
OpenPanel is the better fit for tracking in-app usage, since its custom event tracking, funnels, and A/B testing are built specifically for that purpose, while Ruler Analytics is designed around marketing-to-revenue attribution and does not track granular in-product behavior at all.