With 97% of B2B website visitors remaining anonymous according to recent industry data, businesses need powerful identification tools to convert traffic into revenue. While RB2B pioneered person-level visitor identification, its US-only person-level limitation and data accuracy challenges have companies seeking alternatives that offer better coverage, accuracy, and ROI.

Key Takeaways

• OpenSend leads with 25-35% visitor identification rates and clients receiving 4-20x ROI within 30-90 days
• Warmly offers global coverage and real-time engagement capabilities that RB2B lacks
• Clearbit Reveal provides enterprise-grade company intelligence with HubSpot backing
• Dealfront excels in European markets with GDPR-compliant identification
• Factors.ai achieves 75% visitor identification through AI-powered analytics
• Visitor Queue delivers exceptional value at $39/month for budget-conscious teams

1. OpenSend - Superior accuracy and revenue generation

OpenSend transforms anonymous website visitors into high-value leads through proprietary AI technology that delivers measurably better results than RB2B. The platform identifies 25-35% of anonymous visitors tracking real human traffic, not bots.

The technology operates through a sophisticated partnership network tracking events across US-based sites. When visitors interact with partner sites, OpenSend's deep-pixel tracking captures and converts hashed email data into actionable contact information, pushing leads directly to your CRM in real-time. This owned-data approach eliminates the accuracy issues plaguing licensed databases.

Proven revenue impact and ROI

OpenSend clients consistently report exceptional returns:

• Benchmade generated $85,000 in placed orders withing 30 days,  achieving 12x ROI
• iRESTORE captured $98,000+ revenue in their first month with 6.4x overall ROI
• Superior email deliverability and open rates averaging 50-65%, compared to typical B2B campaigns at 15%

The platform's transparent pricing structure starts with a $1 trial, then scales from $500/month for smaller sites to $2,000/month for high-traffic properties. Unlike RB2B's credit limitations, OpenSend includes generous email quotas with additional contacts at just $0.21-0.25 each.

Advanced features beyond basic identification

OpenSend's visitor tracking capabilities extend far beyond simple identification:

• Revenue attribution tracking integrated with Shopify and Klaviyo
• AI-powered lead scoring that adapts based on CRM results
• Multi-channel campaign capabilities including email, SMS, and direct mail through OpenSend Postal

G2 reviews validate OpenSend's superiority with scores of 9.7 for lead building versus RB2B's 8.3, and 9.9 for support quality compared to RB2B's 8.9. The platform integrates seamlessly with major email service providers, e-commerce platforms, and CRM systems, making implementation straightforward for teams already using tools like HubSpot or Salesforce.

2. Warmly AI - Real-time engagement and global reach

Warmly AI elevates visitor identification beyond RB2B's capabilities by combining 65% company identification and 15% person-level identification with automated engagement features. The platform's signal-based revenue orchestration enables:

• Live video chat for real-time interactions
• AI chatbots for automated engagement
• Automated email sequences for nurturing leads

Unlike RB2B's person-level US restriction, Warmly operates globally across the US, Canada, Australia, and EU markets. Bot traffic filtering prevents credit waste on non-human visitors, a common complaint among RB2B users.

Pricing structure:

• $900/month or $10,000/year for the Data Agent plan
• $14,600/year for the Outbound Agent plan (billed annually)
• $20,000 for their Inbound Agent plan (billed annually)

3. Clearbit Reveal - Enterprise-grade company intelligence

Now part of HubSpot's Breeze Intelligence suite following a $150 million acquisition, Clearbit Reveal offers comprehensive company-level identification with 100+ data attributes per visitor. The platform identifies website traffic at the company level through advanced IP mapping and machine learning algorithms.

Clearbit's strength lies in enterprise-grade data quality:

• 94% email deliverability accuracy
• 250+ data sources covering 50+ million companies globally
• Four-stage verification process
• 30-day data refresh cycle

Pricing through HubSpot's Breeze Intelligence starts at $10 for 1,000 credits, scaling to approximately $1,000 for 10,000 credits. After June 2025, Breeze credits transitioned to HubSpot Credits (10 HubSpot credits = 1 enrichment). While more expensive than RB2B, Clearbit provides deeper firmographic, technographic, and demographic intelligence essential for complex B2B sales processes.

4. Dealfront - European market leader with integrated sales intelligence

Dealfront, formed from the merger of Leadfeeder and Echobot, dominates European B2B visitor identification with GDPR-compliant tracking and company database access. The platform's five integrated products cover:

• Visitor identification
• Prospecting
• Company intelligence
• CRM enrichment
• B2B advertising

The Leadfeeder component pricing:

• Free tier identifying up to 100 companies monthly with 7-day data retention
• €99/month (billed annually) for tracking up to 50 companies
• Unlimited data storage on paid plans

Dealfront's strength lies in European data accuracy and multi-language AI processing European business nuances, critical for companies needing global coverage beyond RB2B's capabilities. With ISO 27001 and ISO 27701 certifications plus data hosting in Europe, Dealfront provides enterprise compliance that RB2B lacks.

5. Factors.ai - Highest identification rates with advanced analytics

Factors.ai identifies your website’s visitors through its proprietary waterfall model, combining data from:

• 6sense partnership
• Clearbit
• Demandbase
• Snitcher

This multi-source approach dramatically outperforms RB2B's reported 40-45% person-level identification rates on US traffic.

The platform specializes in:

• Attribution modeling and ROI measurement
• 365-day data retention for comprehensive analysis
• Complete customer journey mapping
• Multi-touch attribution across all channels
• AI-powered account segmentation

With four pricing tiers including a free plan for 200 companies identified, Factors.ai targets mid-market to enterprise companies requiring sophisticated analytics beyond basic visitor identification.

6. Visitor Queue - Budget-friendly solution for small businesses

Visitor Queue delivers exceptional value starting at just $39/month for identifying 100 companies, making advanced visitor identification accessible to small businesses priced out of premium solutions.

The platform provides:

• Company-level identification
• Key personnel LinkedIn profiles
• Automated lead scoring
• Website personalization features

All plans include:

• Unlimited users and websites
• No long-term contracts
• 14-day free trial
• Month-to-month flexibility

These features address common complaints about RB2B's significant pricing jump from free to paid tiers and reduce risk for budget-conscious teams testing visitor identification tools.

How these alternatives address RB2B's limitations

RB2B's person-level identification is US-only, though it can provide company-level identification internationally when enabled. This geographic restriction for individual visitor data limits its value for global businesses, while platforms like Warmly and Dealfront provide comprehensive person and company-level coverage worldwide. While RB2B achieves 40-45% person-level identification on US traffic, data accuracy issues reported by users remain a concern, contrasting with OpenSend's reliable identification rates and Clearbit's 94% email deliverability.

Common RB2B limitations that alternatives solve:

• Credit system burning through allocations on non-ICP traffic
• Bot filtering to prevent wasted credits
• Better ICP targeting for qualified leads
• Unlimited identification within fair use policies
• Extensive native integrations versus webhook requirements
• Dedicated support teams for implementation

For businesses exploring how visitor identification works, OpenSend's transparent approach and proven results offer a compelling alternative to RB2B's limitations. The platform's focus on health and wellness companies demonstrates specialized expertise in high-value verticals.

Choosing the right RB2B alternative for your business

Companies generating less than $10 million annually should consider Visitor Queue's affordable entry point or OpenSend's proven ROI for smaller businesses. Mid-market organizations benefit from Warmly's automated orchestration or Factors.ai's advanced analytics, while enterprises require Clearbit's data depth or Dealfront's compliance certifications.

Geographic focus matters significantly:

• US-focused companies can maximize OpenSend's domestic data quality
• International businesses need Warmly's global coverage or Dealfront's European expertise
• Marketing teams prioritizing attribution should evaluate Factors.ai
• Sales teams wanting immediate engagement choose Warmly's real-time chat capabilities

The latest research shows that companies using advanced visitor identification tools see 3-5x improvement in lead quality and 2-4x increase in conversion rates. OpenSend's clients consistently exceed these benchmarks, with some achieving 20x ROI within their first quarter.

Implementation considerations and best practices

Successful migration from RB2B starts with defining clear identification goals and ICP parameters. Most alternatives offer free trials or low-cost entry points, enabling parallel testing before full commitment. Focus initially on high-intent pages like pricing or demo pages where visitor identification delivers maximum value.

Integration complexity varies significantly:

• OpenSend and Visitor Queue offer simple JavaScript installation
• Enterprise platforms like Clearbit require more extensive setup
• Consider your team's technical capabilities and available support resources

Monitor key metrics including:

• Identification rates
• Data accuracy
• Lead quality
• Pipeline contribution

Industry benchmarks suggest expecting 3-4% of identified visitors to convert into qualified opportunities, though results vary by industry and sales process effectiveness.

Ready to see the OpenSend advantage? Schedule a demo and learn how our platform can turn anonymous visitors into revenue-driving customers.

FAQs on RB2B Alternatives

Q: What makes OpenSend better than RB2B for visitor identification?

A: OpenSend delivers superior performance across multiple dimensions: 25-35% identification rates with higher accuracy on matched visitors, proven 4-20x ROI within 30-90 days, and proprietary owned data ensuring long-term reliability. The platform's deep-pixel tracking technology and comprehensive integration ecosystem provide capabilities RB2B cannot match.

Q: Can these alternatives identify individual visitors like RB2B claims?

A: RB2B identifies 40-45% of US visitors at the person level but is limited to US traffic for individual identification. Warmly identifies 15% of individual visitors globally, and OpenSend provides contact-level data for 25-35% of US visitors. Clearbit and Dealfront focus on company-level identification for privacy compliance. The key difference lies in data quality—alternatives prioritize accurate, actionable data over questionable person-level matches.

Q: Which alternative offers the best ROI for small businesses?

A: Visitor Queue at $39/month provides immediate value for budget-conscious teams, while OpenSend's $1 trial and proven revenue generation offer superior long-term ROI. Both platforms include unlimited users and a straightforward setup, eliminating barriers that prevent small businesses from leveraging visitor identification.

Q: How do pricing models compare across alternatives?

A: Pricing varies from Visitor Queue's $39/month to enterprise solutions with custom pricing. OpenSend's performance-based model, charging per email delivered, aligns costs with value. Warmly and Dealfront offer free tiers for testing, while Factors.ai and Clearbit target larger budgets with advanced capabilities.

Q: What integration options exist beyond basic CRM connections?

A: Modern alternatives provide extensive ecosystems, including marketing automation platforms, email service providers, advertising platforms, and communication tools. OpenSend's SDK and webhook capabilities enable custom integrations, while platforms like Warmly include native sales engagement features, eliminating the need for separate tools.