ZoomInfo vs. RB2B: Which should you choose?

About ZoomInfo

ZoomInfo brings you a massive B2B contact database — we're talking hundreds of millions of contacts — packed with company intel and tech usage data. You get sales, marketing, and recruiting modules that plug right into your CRM and other tools. The catch? You're looking at around $15k annually to get started with enterprise-focused pricing. It covers North American contacts well, identifies your website visitors, and serves up organizational charts plus news insights about your target companies.

RB2B takes a different approach — it identifies US website visitors in real-time and delivers the names, emails, and LinkedIn profiles of people from visiting companies. This intel hits your Slack or CRM systems instantly. You're looking at $149-249 per month with a limited free tier. It only works for US traffic to sidestep privacy law headaches, and focuses on speed rather than maintaining a massive contact database.

About RB2B

RB2B de-anonymizes your U.S. website visitors in real time — revealing their contact details (names, emails, LinkedIn profiles) through instant Slack alerts and CRM integrations. It transforms anonymous website traffic into actionable leads instantly. The tradeoff? It only works for U.S. visitors and runs around $149-249 per month after a limited free tier.

What do users say?

Users describe ZoomInfo as a contact database with mixed results — while some praise its extensive contact information and ability to generate significant revenue, many express serious concerns about the company's business practices and data quality. The platform gets hammered for expensive pricing that lacks transparency, inaccurate contact information where phone numbers often lead to reception desks rather than actual decision-makers, and particularly aggressive sales tactics including difficult-to-cancel auto-renewals. Users frequently recommend alternatives like Apollo.io, citing ZoomInfo's poor customer service, technical issues (browser crashes), and questionable value proposition despite its large database.

RB2B user reviews aren't readily available in traditional review platforms yet — which isn't uncommon for newer, specialized tools in the contact identification space. Most feedback comes through direct customer testimonials and case studies rather than aggregated review sites.

Comparison

ZoomInfo

ZoomInfo delivers extensive B2B contact databases with hundreds of millions of contacts, comprehensive integrations, and multi-platform capabilities spanning sales, marketing, and recruiting functions. The downside? High enterprise-level pricing starting around $15k annually and complex interfaces that can overwhelm your team.

RB2B

RB2B provides real-time website visitor identification with instant lead alerts to Slack — focusing exclusively on U.S. traffic for simplified compliance. You get affordable pricing starting at $149/month, but it's limited to U.S.-only coverage and lacks the comprehensive contact database that enterprise teams often require.

ZoomInfo serves enterprise organizations that need comprehensive contact databases and can justify significant budget investments for broad prospecting capabilities. Its strength lies in providing extensive contact information across multiple regions and industries — making it ideal for large sales teams conducting outbound campaigns at scale.

RB2B targets smaller to mid-sized companies focused on the U.S. market that prioritize immediate action on website visitors over broad prospecting capabilities. Its real-time alerting system makes it particularly valuable for teams that want to capitalize quickly on demonstrated intent.

Both tools support contact-based marketing, though ZoomInfo provides more comprehensive capabilities for building targeted contact lists across various segments and geographies. RB2B's contact identification is limited to website visitors — which restricts proactive outreach campaigns. For marketers requiring robust contact-based marketing capabilities like building lookalike audiences, conducting market research, or executing broad-based campaigns, ZoomInfo's extensive database provides the foundation necessary for sophisticated targeting and segmentation strategies that RB2B simply can't match.

Do you need account-based marketing, or something else?

Here's what's flipping ABM on its head: your funnel isn't about anonymous accounts. It's about the decision-makers and influencers within those accounts.

That's what makes contact-based marketing (CBM) a breakthrough. Instead of focusing on broad account intent signals, contact-based marketing pinpoints the EXACT people engaging with your content in real-time — even when they don't convert.

How does this solve the traditional tension of intent-based marketing? It clears up the ambiguity.

With contact-level data, you can reveal high-priority leads by identifying the individuals behind key touchpoints. Deliver hyper-targeted ads based on specific contact behaviors. And bridge the gap between marketing and sales alignment with actionable, lead-level insights.