RB2B vs 7 Alternatives: Side-by-Side Comparison

Here is the short version. Prices come from each vendor’s pricing page and at least one third-party tracker, checked in October 2026. Where trackers disagreed, I say so in the notes below.

How I Evaluated These Tools

I did not run all seven tools side by side for this update, and I won’t pretend I did. My hands-on time is with RB2B, which I cover in my full RB2B review. For the rest, I read each vendor’s pricing page, then checked it against at least two independent trackers and noted every disagreement.

That cross-check turned up a few quirks worth knowing before you buy:

• RB2B’s pricing matrix lists additional domains as “$99/mo (up to 5)”. The wording doesn’t say whether $99 covers all five or each one. Ask support before adding a second site.
• Leadinfo charges on two axes: a plan fee plus a tier based on unique companies identified each month. The headline €49 is only the volume part.
• Factors.ai prices circulating online ($99 and $149 a month) don’t match its current model, where only the free tier is self-serve.
• Clearbit no longer exists as a standalone product. An earlier version of this post listed it that way, and that was out of date.

I score each tool on five things: identification level (company or person), published pricing, contract terms, CRM and Slack delivery, and how well it handles non-US traffic.

The 7 Best RB2B Alternatives, Reviewed

1. Leadfeeder: Best Company-Level Alternative With Published Pricing

Company-level visitor identification with a free tier to test your match rate.

Leadfeeder started as a Google Analytics add-on and merged with Echobot in 2022 to form Dealfront. Two comparison sites report that Dealfront went back to the Leadfeeder name on March 24, 2026, with dealfront.com now redirecting. Directory listings still mix the two names, so don’t be thrown by it.

It tells you which companies visited and which pages they read. It does not give you the person. If your reps are happy to find the right contact at the account themselves, that’s fine. If you want a name and a LinkedIn URL in Slack, RB2B does more.

The free tier is the reason to start here. One tracker lists up to 100 identified companies a month, and I’d use it exactly like RB2B’s free plan: as a match-rate test on your own site before you pay anything. Paid plans run from about 99 a month on annual billing, and reviewers report post-merger increases of 20 to 40 percent for legacy customers. Get the price in writing.

2. Warmly: Best for Person-Level ID Plus On-Site Chat

Person and company identification with AI chat, aimed at SDR-led SaaS teams.

Warmly is the closest like-for-like rival to RB2B on person-level data. The vendor claims roughly 15 percent of visitors identified at person level and about 65 percent at company level, which is its own number, not an audited one. The free plan covers 500 visitors a month, and paid plans reportedly start around $10,000 a year on 12-month agreements.

The big news: HubSpot announced it would acquire Warmly on June 30, 2026. Warmly says existing contracts, pricing and integrations stay unchanged for now. Longer term, expect the product to lean toward HubSpot. If you run Salesforce, that’s a risk worth weighing before signing a year-long deal.

3. Leadinfo: Best for European Agencies

Company-level identification priced by the number of companies you identify.

Leadinfo is a Rotterdam-based tool built around GDPR-friendly company identification. Its pricing page says roughly 30 percent of visitors resolve to a company, which is a vendor figure. In January 2026 it acquired Visitor Queue, the Canadian visitor identification company, as part of a push into North America.

Because you pay for unique companies identified, costs rise as your site grows, and hitting a cap hides further leads until you upgrade. It’s also a poor fit for consumer traffic, since identification depends on corporate IP addresses. Remote workers mostly go unrecognized.

4. Albacross: Best Budget Option for EU Visitor ID

Swedish company-level identification with bundled email and phone credits.

Albacross lists a Starter plan at €59 a month on annual billing (€84 monthly) covering up to 100 identified companies. One tracker reports Professional at €149 and Organisation at €375 on annual billing. Treat those as directional and confirm on the pricing page.

The catch is credits. The cheap tier shows you who visited, but pulling contact details burns through email and phone credits, and one comparison reports that overage pricing isn’t published. Fine for testing, less so for an outbound motion.

5. ZoomInfo WebSights: Best for Enterprise Sales Teams

A huge B2B database with visitor identification sold as an add-on.

ZoomInfo is a data platform first. WebSights, its visitor identification module, is company-level and is usually sold as a separate add-on. ZoomInfo publishes no list price. Third-party contract data puts entry near $14,995 a year, with a median around $33,500 across roughly 1,500 tracked purchases, per Vendr.

My earlier draft called this person-level. That was wrong: WebSights tells you the company. And contracts are annual with auto-renewal, so read the renewal clause and ask for a cap on annual increases in writing.

6. HubSpot Breeze Intelligence (Formerly Clearbit): Best If You Already Use HubSpot

What Clearbit became after HubSpot folded it into its own platform.

HubSpot announced the Clearbit acquisition in November 2023 and relaunched the product as Breeze Intelligence. The free Clearbit tools, including Connect, the TAM calculator and the weekly visitor report, were sunset on April 30, 2025, and the free Logo API followed on December 1, 2025. Standalone Clearbit signups are closed.

Pricing runs on HubSpot Credits, listed at $9 per 1,000 credits on annual billing, and HubSpot doesn’t publish a clean flat price for Breeze itself. Visitor reveal is reportedly tied to higher HubSpot Marketing tiers. If your CRM is Salesforce or Pipedrive, skip this one.

7. Factors.ai: Best for ABM and Attribution

Account identification plus multi-touch attribution and LinkedIn ad analytics.

Factors.ai is less a visitor ID tool and more an account intelligence platform. The free tier reportedly covers about 200 identified companies a month and 5,000 tracked users. Paid tiers are quote-based, annual contracts. The vendor claims a 75 percent plus company match rate, which I’d test on your own traffic before believing.

It identifies companies, not people. You’ll still need another way to reach the human behind the visit. It makes sense when your question is “which campaigns drive pipeline,” not “who should I email today.”

Which Tool Fits Your Situation?

If you skimmed the reviews, use this as the shortcut.

When RB2B Is Still the Better Choice

Most of the alternatives above stop at the company. RB2B’s draw is the person: name, LinkedIn URL, and on Pro and above a business email. For a small US-focused B2B site, nothing else on this list gets you there for $149 a month.

Know the limits. RB2B’s own pricing matrix shows 15 to 20 percent contact-level coverage on Starter and Pro, and 35 to 45 percent on Pro+, and contact-level identification is US only. Company-level works globally. Overage runs $0.45 per resolution on Starter and $0.25 on Pro and Pro+, and plans are month-to-month with no annual option as of January 2026. I break down every tier in my RB2B pricing guide.

Identification is only half the job. Once a lead lands in Slack, you still have to act on it. RB2B can push visitors to HeyReach for LinkedIn outreach through webhooks, and its Zapier and webhook options on Pro let you route leads through Make or build your own flow, like the n8n email triage agent I wrote up.

Here’s the cost math I’d run before paying. Pro at $149 for 600 resolutions works out to roughly $0.25 per resolution, which matches its overage rate. Starter at $79 for 300 is about $0.26, but overage jumps to $0.45. So if you expect to blow past your allowance every month, Pro is cheaper per lead than Starter even though the sticker price is higher.

Before You Buy: Match Rates, VPNs and Privacy

No tool on this list identifies everyone. IP-based matching works well for office networks and poorly for remote workers, mobile connections and VPN users. I haven’t found an independent, audited benchmark of match rates for this category, so every percentage above is a vendor claim.

Here is the two-week test I’d run on any tool before paying:

• Install the tracking script on your highest-intent pages first: pricing, demo and contact.
• Count identified companies or people against total sessions to get your own match rate.
• Check ten identified leads by hand against LinkedIn to see how many are real, relevant buyers.
• Exclude your own team, bots and existing customers so they don’t eat your allowance.
• Confirm how overage, extra domains and renewals are billed before you upgrade.

The fix is simple. Install a free tier on your real site for two weeks and count what comes back. A tool that resolves 20 percent of a tiny B2B audience can beat one that resolves 60 percent of the wrong traffic.

Privacy matters too. Naming an individual visitor raises consent and notice questions that vary by region, and GDPR and US state privacy laws treat them differently. I’m not a lawyer, so run your plan past one before you turn on person-level tracking.

And remember that none of these tools create traffic. If your content isn’t pulling in B2B buyers, there’s nothing to identify. My look at AI vs human content writing covers what tends to bring the right readers in.

FAQ

What is the best RB2B alternative?

It depends on your traffic. Leadfeeder is the safest company-level option, Leadinfo and Albacross suit European sites, Warmly is the closest person-level rival, and HubSpot users should look at Breeze Intelligence.

Is there a free RB2B alternative?

Yes. Leadfeeder, Warmly and Factors.ai all have free tiers. Warmly’s covers 500 visitors a month, Factors.ai’s about 200 companies, and Leadfeeder’s up to 100 companies, according to trackers.

Is Clearbit still available?

Not as a standalone product. HubSpot folded Clearbit into Breeze Intelligence, which now works only inside HubSpot, and standalone signups are closed.

Does Leadfeeder identify individual people?

No. Leadfeeder is company-level, so you see the organization and the pages it viewed, not the individual.

How much does ZoomInfo cost?

ZoomInfo publishes no price list. Third-party data reports entry near $14,995 a year and a median contract around $33,500, always on an annual term.

Is RB2B only for US visitors?

Person-level identification is US only. Company-level identification works globally, so RB2B is weaker for European traffic.

Conclusion

If your traffic is mostly US and you want a named person, start with RB2B’s free plan and see what comes back. If your visitors are European, test Leadinfo, Albacross or Leadfeeder instead. Save Warmly, ZoomInfo and Factors.ai for when you have a sales team and budget to match.

Whatever you choose, test on a free tier first. A two-week trial on your own traffic tells you more than any comparison post, including this one.