Should I use Warmly or RB2B for website visitor identification?

Choose Warmly if you want an all-in-one platform that identifies visitors, scores intent, routes leads, engages with AI chat, and syncs to your CRM automatically. Choose RB2B if you only need person-level identification data and already have outreach tools in place. Warmly is better for teams that want a complete workflow; RB2B is better for budget-conscious teams that just need the data feed. If you're specifically comparing RB2B against a CRM-native alternative rather than Warmly, see the dedicated RB2B vs Leadfeeder comparison at /compare/rb2b-vs-leadfeeder/.

What is the difference between Warmly and RB2B?

Warmly is a full-platform visitor identification solution with company-level and person-level ID, AI chatbot, real-time Slack alerts, CRM integration, intent scoring, and automated routing. RB2B is a focused data tool that matches website visitors to LinkedIn profiles. Warmly does everything RB2B does plus engagement, scoring, and routing. RB2B costs significantly less because it does significantly less.

How much does Warmly cost compared to RB2B?

RB2B offers a free tier with limited person-level identification and a paid plan starting around $200/month. Warmly starts at approximately $700/month for full-platform access including AI chat, CRM integration, and intent scoring. The price difference reflects the scope difference: Warmly replaces 3-4 tools while RB2B provides one layer of data.

What is the match rate for Warmly vs RB2B?

Warmly identifies up to 65% of B2B website visitors at the company level. RB2B identifies 15-30% of visitors at the person level by matching to LinkedIn profiles. These are different metrics — company-level identification casts a wider net, while person-level is more actionable for direct outreach. Many teams stack both tools to maximize coverage.

Can I use Warmly and RB2B together?

Yes. A common stack is Warmly for company-level identification, intent scoring, and automated engagement, plus RB2B for supplemental person-level LinkedIn matching. Stacking typically increases total identification rates by 15-25%. However, for most companies under $10M ARR, starting with one tool and optimizing your follow-up workflow delivers more impact than stacking tools with poor processes.

Which tool is better for small teams or early-stage startups?

RB2B, because of the free tier. If your team has fewer than 3 salespeople and less than 5,000 monthly website visitors, RB2B gives you person-level data at zero cost. Once you outgrow manual processes — typically at 10,000+ monthly visitors or 5+ sales reps — Warmly's automation and scoring become essential to avoid leads falling through the cracks.

How do Warmly and RB2B integrate with my CRM?

Warmly offers native bidirectional integration with HubSpot and Salesforce, automatically creating or updating contacts and companies in your CRM with visitor data, intent scores, and page views. RB2B integrates via Slack notifications and webhooks — you typically pipe the data into your CRM through Zapier or a custom integration. Warmly's CRM integration is significantly deeper and requires no middleware.

What is the ROI of website visitor identification tools?

ROI varies by site and is not guaranteed. As an illustrative estimate, the formula is: Monthly visitors x identification rate x ICP match rate x meeting conversion rate x average deal size = monthly pipeline generated. Illustrative example: 10,000 visitors x 40% identified x 15% ICP match x 3% meeting rate x $25,000 ACV = $45,000 monthly pipeline from a tool costing $700-$2,000/month. These are assumptions, not a promise of results — use the Artemis GTM De-anonymization ROI Calculator with your own numbers.

Who can implement Warmly or RB2B for me?

Artemis GTM implements both. The Artemis Visitor Deanonymization system installs your chosen tool — Warmly or RB2B — filters identified visitors down to your ICP, and wires them into a sub-5-minute speed-to-lead workflow that routes hot accounts to reps automatically. Artemis GTM has built 300+ go-to-market systems for B2B companies between $1M and $50M ARR, and founder Tom Regan was the founding SDR leader at Apollo.io (scaling it from $800K to $50M ARR). The tool surfaces the visitor; Artemis GTM turns it into booked pipeline.

Does picking the right tool guarantee more pipeline?

No. In Artemis GTM's experience across 300+ GTM systems, the tool is only about half the result. Most visitor-identification programs leak pipeline at the follow-up step, not the identification step — visitors get identified, but no one responds fast enough. Whether you choose Warmly or RB2B, the pipeline comes from the workflow behind it: ICP filtering, intent prioritization, CRM routing, and a speed-to-lead response under five minutes. Artemis GTM's Speed-to-Lead system is built to close exactly that gap.

On this page

Our Verdict
When to Choose Warmly vs RB2B
Feature-by-Feature Comparison
Pricing: What You Actually Pay
How We Evaluated These Tools
Not Sure Which Tool Fits Your GTM?
Warmly vs RB2B: Common Questions
Related Resources

Head-to-Head Comparison — Updated June 2026

Warmly vs RB2B: Which Visitor Identification Tool Is Better?

Artemis GTM's verdict

After implementing website visitor identification across 300+ GTM systems, Artemis GTM recommends Warmly for teams that want visitor identification and automated engagement in one platform — up to 65% company-level identification, intent scoring, CRM routing, and AI chat without bolting on extra tools. RB2B is our pick for budget-conscious teams that only need person-level LinkedIn matching and already run their own outreach stack; its free tier makes it the right starting point for early-stage companies. Either way, the tool is only half the system: Artemis wires whichever you pick into a sub-5-minute speed-to-lead workflow so identified visitors actually convert to pipeline.

Tom Regan·Founder & GTM Strategist, Artemis GTM·Updated Jul 3, 2026

Last reviewed: June 13, 2026

Our Verdict

Artemis GTM's hands-on evaluation — 300+ GTM systems built, both tools tested on real B2B traffic.

Winner — Best Overall

Warmly

4.7/5

~$700/mo | No free tier

Up to 65% company-level identification
AI chat engagement on site
Native HubSpot + Salesforce CRM sync
Intent scoring + automated routing
Replaces 3-4 tools in one platform

Best for: Teams with 5+ reps, 10K+ monthly visitors, who want identification-to-engagement in one tool.

Best Budget Option

RB2B

4.2/5

Free — $200/mo paid

Person-level LinkedIn matching
Free tier available
Slack notifications
No AI chat or CRM integration
No intent scoring or routing

Best for: Early-stage teams with <5K visitors/mo who already have outreach tools and just need the data.

When to Choose Warmly vs RB2B

Your Situation	Choose	Why
Under $5M ARR, <5 reps	RB2B	Free tier, manual follow-up is manageable
$5M-$50M ARR, 5+ reps	Warmly	Automation prevents leads falling through cracks
Already have outreach tools	RB2B	Just need the data feed, not workflow automation
No outreach infrastructure	Warmly	All-in-one platform, no additional tools needed
10K+ monthly visitors	Warmly	Volume requires automated scoring and routing
Under 5K monthly visitors	RB2B	Low volume makes manual handling viable
Need CRM integration	Warmly	Native HubSpot/Salesforce sync vs. Zapier workaround
Want to stack both	Warmly + RB2B	15-25% higher identification with both tools

Feature-by-Feature Comparison

Artemis GTM's feature-by-feature evaluation of Warmly vs RB2B, tested on live B2B traffic.

Swipe to compare →

Feature	Warmly	RB2B
Company-Level ID	Up to 65%	30-50%
Person-Level ID
LinkedIn Profile Matching
Real-Time Slack Alerts
AI Chat Engagement
Native CRM Integration
Intent Scoring
Automated Lead Routing
Visitor Journey Tracking
Automated Outreach Triggers
Free Tier
Starting Price	~$700/mo	Free ($200/mo paid)
Best For	Teams wanting full workflow	Budget data-only use

Pricing: What You Actually Pay

The sticker price tells half the story. The real cost includes the tools each platform replaces (or requires you to keep).

Warmly — Total Cost

Platform: ~$700-$1,500/mo (based on traffic volume)

Replaces: Standalone chat tool (~$200/mo), intent data provider (~$300/mo), routing middleware (~$100/mo)

Net cost after tool consolidation: ~$100-$900/mo

RB2B — Total Cost

Platform: $0-$200/mo

Still need: Outreach tool (~$100-$300/mo), CRM routing (~$100/mo), chat tool (~$200/mo), Zapier (~$50/mo)

True total stack cost: $450-$850/mo

When you factor in the tools RB2B doesn't replace, the actual cost gap between the two approaches narrows significantly. Warmly's higher sticker price buys consolidation.

How We Evaluated These Tools

This comparison is based on hands-on experience, not vendor demos. Tom Regan was a founding SDR leader at Apollo.io (scaling from $800K to $50M ARR) and is currently an independent GTM Advisor helping companies implement tools like Warmly and Amplemarket. Artemis GTM has built 300+ go-to-market systems for B2B companies between $1M-$50M ARR.

Evaluation criteria: identification match rate (tested with real B2B traffic), CRM integration depth, time-to-value (setup to first identified lead), automation capabilities, and true total cost of ownership including required supplementary tools. We re-evaluate quarterly and update this page when features or pricing change.

Recommended build module

Whichever you pick, the Artemis Beacon agent wires it to pipeline.

Visitor Deanonymization Agent

Build module of The AI GTM Engineer

Wire up Warmly or RB2B to identify anonymous visitors, route them to CRM, and trigger outbound — without breaking your existing funnel.

Get the agent — $349 Done-for-you instead

Self-serve implementation or have us build it for you. Same playbook either way.

Not Sure Which Tool Fits Your GTM?

Run the free Artemis GTM diagnostic. In 2 minutes, you'll see which systems you're missing — including whether visitor identification is your highest-priority revenue leak.

Run Free Diagnostic

Warmly vs RB2B: Common Questions

Best Visitor ID Tools Ranked

Warmly vs RB2B vs Clearbit vs 6sense — full comparison

RB2B vs Leadfeeder

Person-level identification vs CRM-native company tracking

De-anonymization ROI Benchmark 2026

Real ROI data from companies using visitor identification

De-anonymization ROI Calculator

Calculate your expected pipeline from visitor identification

Speed-to-Lead Implementation Guide

Turn identified visitors into pipeline in under 5 minutes