RB2B shows which people visit your website. Ocean shows which accounts fit your best customers, including the ones that never visit.
Used by teams at
RB2BIdentifying who is on your website, in Slack, in real time.
RB2B identifies US website visitors at the person level, matches them to LinkedIn profiles and pushes real-time alerts to Slack. It answers who is on your site right now. Its parent company, Retention.com, also runs MoltSets, a contact-data API.
Finding the accounts that should be visiting but aren’t, ranked from your own deals.
Ocean is contextual intelligence for go-to-market. It reads what every company actually does from its own website, learns what good looks like from your closed-won and closed-lost deals, and ranks your whole market against it, with the reason behind each score. The ranked accounts arrive in your CRM, your rep queue or your AI agents.
What buyers weigh, grouped by the job each part does. A green check marks the stronger side.
| Topic | Ocean.io logo Ocean | RB2B |
|---|---|---|
| Finding the right accounts | ||
| Lookalikes from your closed-won deals | Ocean is stronger here. Core of the product. Segments and models learned from your won and lost CRM deals. | Hot Leads filters visitors by ICP rules you set. |
| Accounts that haven’t visited | Ocean is stronger here. Ranks the whole market, including accounts that never visit your site. | Only the people who visit your site. |
| The reason behind each account | Ocean is stronger here. Segment, score, tier and matched signals on every account and every export. | The pages a visitor viewed. |
| Contacts and data | ||
| Website visitor identification | Not offered. | RB2B is stronger here. Person-level identification in the US, with company-level identification worldwide. |
| Contacts | Verified emails and direct phones from a waterfall across 16+ data sources. Charged only when a contact is found, and exports are free. | Business emails on Pro and up. |
| Real-time alerts | Scores and segments in your CRM. | RB2B is stronger here. Real-time Slack alerts when a matching visitor lands. |
| Workflow and pricing | ||
| AI agents and MCP | MCP server, public API and a chat agent on the same data and lookalike engine. | A Profiles API for pulling identified visitors, and MoltSets for contact data. |
| Pricing | Ocean is stronger here. Two ways to buy: a flat-rate plan with credits included, or a custom plan built around your deals and credit volume. | A free plan, then $79, from $149 and from $199 a month. |
Reviewers like how fast it is to set up. The complaints are about US-only coverage and credits.
4.5 out of 5
RB2B’s average on G2
The rating is from G2, from 284 reviews. The themes come from review write-ups.
RB2B publishes its prices, and they’re low and month to month.
RB2B’s parent, Retention.com, runs MoltSets, a contact-data API for Clay and Claude Code, in public beta since October 2026. The RB2B family now competes for enrichment budget as well as visitor ID.
A flat-rate plan with credits included, or a custom plan built around your deals.
Contacts are charged only when one is found. Exports are free.
See Ocean pricingVisitors tell you who showed up. Ocean tells you who should.
Choose RB2B if Ocean.io logo Use both ifFive steps. Most teams keep RB2B for visitors and add Ocean for the rest of the market.
Find your plan, your resolution use and your billing date. Credits don’t roll over.
Export your identified visitors, and note the ICP rules behind your Hot Leads.
Connect HubSpot, Salesforce, Pipedrive or Attio. Ocean reads your closed-won and closed-lost deals to learn what a good account looks like.
Ocean proposes segments and scores, with the reason on each. Correct anything that doesn’t match how you sell.
Scores, segments and matched signals go back to your CRM, or into Apollo, Instantly or Lemlist sequences.
The right alternative depends on what you use RB2B for. Here’s what each is built for and where Ocean starts.
DataMoonBuilt for Teams that start from website visitors and intent topics, then activate them across channels.
Where Ocean starts Ocean starts from which accounts fit your best customers, then lets intent decide when.
UntitledBuilt for Consumer brands and agencies that identify visitors and activate audiences across ads and CTV.
Where Ocean starts Ocean is built for B2B account fit, learned from your own closed-won deals.
LeadfeederBuilt for European teams that identify the companies visiting their website and score them for fit.
Where Ocean starts Ocean ranks the accounts that haven’t visited yet, from your own wins.
6senseBuilt for Enterprise teams that predict in-market accounts and run ads, sales alerts and AI email around them.
Where Ocean starts Ocean shows which accounts look like your wins and why, without a multi-year enterprise contract.
DemandbaseBuilt for Enterprise ABM programs that combine account data, intent and advertising.
Where Ocean starts Ocean ranks accounts from your own wins and sells no intent or advertising.
Short answers on RB2B’s cost, what it identifies, how Ocean compares and how teams use both.
There’s a free plan with 150 monthly resolutions, then Starter at $79 a month, Pro from $149 and Pro+ from $199.
Yes, with 150 monthly resolutions. Since January 22, 2026, the free plan resolves companies, not people.
Person-level identification is US-only. Company-level identification covers more of the world through a Demandbase partnership.
Its Hot Leads filter visitors by ICP rules you set. It only sees the people who visit your site. Ocean ranks the whole market against your won and lost deals.
Yes. Keep RB2B for visitors, and use Ocean to cover the accounts that haven’t visited yet.
Ocean reads what each company does from its own website, learns from your closed-won and closed-lost deals, and returns ranked matches with the reason on each one.
Connect your CRM so Ocean reads your won and lost deals, review the segments and scores it proposes, then compare your visitors with the ranked accounts.
