Head to head

Common Room vs RB2B

Same facts, side by side: starting price, free tier, MCP, API and what each one is actually built for.

Common Room

$2,500/mo

Customer intelligence that unifies community, product, CRM, and web signals. Essential is $2,500/mo billed annually.

Where Common Room fits

  • GTM teams with community and product signal
  • HubSpot, Salesforce, or Outreach shops
  • Companies that outgrew website-only visitor ID
  • Buyers who want MCP on a customer-intel graph

RB2B

$79/mo Free tier Free trial

Person-level US website visitor identification. Free company-level plan; Starter is $79/mo; 7-day Pro trial.

Where RB2B fits

  • US inbound teams who want to know which person is on the site
  • HubSpot or Salesforce shops
  • Clay and Instantly users turning visits into outbound
  • Buyers who will start free at company-level

At a glance

DetailCommon RoomRB2B
Starting price$2,500/mo$79/mo
Free tier–No✓Yes
Free trialNot on recordYes
MCP server✓Yes–No
Public API✓Yes–No
Listed underLead generation, Visitor IDEmail finders, Lead generation, Visitor ID

Where they pull apart

Common Room

Stands out: Person-level buyer intelligence across community plus product plus CRM (RoomieAI and MCP included on Essential), not a $49 visitor-ID pixel.

Watch out: $2,500/mo is 5 seats and 100k contacts on Essential. This is a GTM platform, not a recruiting pixel.

Not the right fit for

  • SMB recruiting teams
  • Buyers who need $49 company ID
  • People who only want a careers-site pixel

RB2B

Stands out: US person-level visitor ID with a forever-free company-level rung, with HubSpot, Salesforce, Slack, Clay, and Zapier named.

Watch out: Person-level starts at Starter $79. Pro is $149 and Pro+ $199. This is US-centric; do not expect EU personal identification.

Not the right fit for

  • EU GDPR-first visitor ID
  • Teams that only need account-level (Albacross/Snitcher)
  • People who need a sequencer

Pros and cons

Common Room

  • Public $2,500/mo Essential
  • Community plus product plus CRM signals
  • Named GTM connectors plus MCP
  • Five-figure annual commitment
  • Wrong product for TA-only visitor ID
  • No free trial advertised

RB2B

  • Forever-free company-level plus $79 person-level Starter
  • 7-day trial
  • HubSpot, Salesforce, Slack, Clay, Zapier named
  • US person-level, not a global GDPR product
  • Not a sequencer
  • Paid rungs escalate quickly

What each one costs

Common Room

$2,500/mo

Essential is listed at $2,500/mo billed annually (5 seats, up to 100k contacts, RoomieAI and Prospector credits). Advanced and Enterprise are custom with higher seats, contacts, and credits. MCP and core CRM/SEP/Slack integrations are included on every plan. No public free trial noted.

Checked 8 Sep 2026

RB2B

$79/mo

Checked 7 Sep 2026

Common questions

Is Common Room cheaper than RB2B?
RB2B starts lower, at $79/mo against $2,500/mo for Common Room. That is the entry plan on each side, so the real number depends on seats and the tier you land on.
Can you try Common Room or RB2B for free?
RB2B carries a free tier on our listing. RB2B offers a free trial.
Does Common Room or RB2B have an MCP server?
Common Room ships a first party MCP server, so an AI assistant can work the product directly.

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Editorial listings, never paid rankings. Prices checked 8 Sep 2026. Confirm current terms on the vendor site. Spot an error?