PredictLeads vs RB2B
An independent, review-free comparison compiled by the SaaSTracker editorial team. Both products are profiled in full, and neither can pay for placement here.
The short answer
Both sides assessedPredictLeads compared with RB2B
RB2B watches your own website and tells you which person showed up; PredictLeads watches the outside world and tells you what companies are doing. Neither can do the other's job. For a small United States focused team, RB2B is the faster path to a conversation, while PredictLeads is the better foundation if you are building triggered outbound against accounts that have never visited you.
RB2B compared with PredictLeads
PredictLeads supplies external company signals such as job openings, funding, technology detections, and news through an API, with nothing about your own website. RB2B supplies first-party identification of your own traffic and nothing about the outside world. They are complements rather than competitors, and a strong small-team stack often runs both: RB2B for who showed up, PredictLeads for what is happening at the accounts you care about.
Choose PredictLeads if
Technical go-to-market teams and developers building their own signal engine, Clay users who want dated source-linked signals inside their tables, and product teams embedding company intelligence into their own application, all of whom want data rather than another dashboard.
Choose RB2B if
United States focused small businesses and startups with meaningful inbound traffic who want to know which specific human is evaluating them, teams that already live in Slack and will act on an alert within minutes, and founders who want to run a warm outbound motion off their own site without buying an enterprise ABM platform.
Side by side
13 attributes| Attribute | PredictLeads | RB2B |
|---|---|---|
| Category | Signals | Visitor ID |
| Starting price | $0 for the first 100 API calls per month, then a $40 monthly minimum (free plan available) | $0 (Free), then $79 per month (Starter) (free plan available) |
| Pricing model | Self-serve pay as you go metered by API call, with volume-tiered per-credit rates and a monthly minimum, plus a quoted Enterprise flat-file plan. | Self-serve monthly subscription metered by identification resolutions, with published overage rates and a per-domain add-on. |
| Free plan | Up to 100 free API calls per month, self-serve, with no card required to start building against the API. | Free includes 150 monthly resolutions with company-level identification pushed to Slack, but no person-level identification, no email addresses, and no integrations beyond Slack. |
| Free trial | A free tier rather than a time-limited trial, available at sign-up | 7-day full-featured trial on the Pro plan |
| Best for | Technical go-to-market teams and developers building their own signal engine, Clay users who want dated source-linked signals inside their tables, and product teams embedding company intelligence into their own application, all of whom want data rather than another dashboard. | United States focused small businesses and startups with meaningful inbound traffic who want to know which specific human is evaluating them, teams that already live in Slack and will act on an alert within minutes, and founders who want to run a warm outbound motion off their own site without buying an enterprise ABM platform. |
| Setup time | An hour to a first API response, since the free tier requires no card and the endpoints are conventional REST. Getting to a production motion where signals create tasks is a genuine engineering project of one to three weeks, or an afternoon if you are consuming it inside Clay. | Under thirty minutes. Paste the pixel through a tag manager, connect Slack, and identifications start arriving with the next wave of traffic. The genuinely useful work is the filtering configuration afterwards. |
| Learning curve | Low for a developer and high for everyone else. The API is straightforward and the documentation covers the datasets clearly, but the hard part is not technical: deciding which combinations of signals actually mean something for your business is judgement work that the product deliberately leaves to you. | Very low as software, moderate as a process. The tool is a feed; the skill is deciding what to do with a name and how quickly. Teams that treat identifications as a to-do list rather than a curiosity feed get value, and the rest churn. |
| Platforms | REST API, Real-time webhooks, Flat files via AWS S3, Google Cloud Storage, and SFTP, MCP endpoint for AI agents | JavaScript pixel for any website, Web application, Slack and Microsoft Teams apps, Webhooks |
| Compliance | Data is sourced from public company web pages, news, and filings rather than personal data brokers, European operating base subject to GDPR | SOC 2 Type II, CCPA and CPRA compliant with a public individual opt-out |
| Founded | 2015 | 2023 |
| Headquarters | Ljubljana, Slovenia | Austin, Texas, United States |
| Ownership | Venture-backed, lightly funded | Bootstrapped |
Strengths and limitations
PredictLeads
Strengths
- Every record carries a primary source URL, which is the single most useful quality property in signal data and something most vendors cannot offer.
- Published crawl cadences rather than vague freshness claims: news as often as every eight minutes, job data at least every 36 hours, company sites daily on average.
- Coverage genuinely at scale, including 120 million companies, 270 million historical job records since 2016, and 1.4 billion technology detections.
- Data is crawled first-party rather than licensed from brokers, so errors are fixable at source and the provenance chain is short.
Limitations
- There is no application. No dashboard, no alerts, no inbox, and nothing that tells a salesperson what to do this morning without you building it.
- Company-level only. Nothing about individual people, so champion job changes and person-level intent are outside the product entirely.
- No first-party signals at all: PredictLeads cannot see your website traffic, your product usage, or your email engagement.
- No scoring or prioritisation. Deciding that a funding round plus five engineering hires means an account is in market is logic you write and maintain.
RB2B
Strengths
- Person-level identification with a name and a LinkedIn profile, which is categorically more actionable than the company-level identification every other tool at this price provides.
- Real-time Slack delivery, often while the visitor is still on the site, which turns a signal into a same-hour conversation rather than a weekly report.
- Pricing that a small business can actually buy: free to start, $79 to $199 a month, month to month, no implementation fee, and published overage rates.
- Bootstrapped and profitable with no investor timeline forcing a move upmarket, which is a genuine stability argument in a category where funded competitors get acquired and shut down.
Limitations
- Person-level identification is United States only, with IP ringfencing preventing overseas resolution, which rules the product out for most European and Asia-Pacific focused businesses.
- Match rates are a share of traffic, not all of it, and that share varies enormously by audience, so the same plan delivers wildly different value to two different companies.
- The product ends at the identification. There is no intent scoring model, no account research, no sequencing, and no sending; you supply everything downstream.
- It generates a stream of false positives by construction: job seekers, competitors, existing customers, and analysts all trigger identifications and consume resolutions.
Pricing compared
PredictLeads
Self-serve pay as you go metered by API call, with volume-tiered per-credit rates and a monthly minimum, plus a quoted Enterprise flat-file plan.
- Free$0
- Pay as you go, 101 to 5,000 calls$40 minimum plus $0.04 per credit
- Pay as you go, 5,001 to 100,000 calls$0.02 falling to $0.01 per credit
- Pay as you go, above 100,000 calls$0.004 falling to $0.002 per credit
- EnterpriseCustom
For a team that can write code or drive a Clay table, PredictLeads is the cheapest credible signal data on the market by a wide margin. A hundred free calls a month to prototype, a $40 floor to go live, and per-call rates that fall to fractions of a cent at scale, against a category where packaged platforms start at thousands of dollars a month for signals they source from providers like this one. The value collapses entirely if you cannot build: there is no interface, no alerting, and no scoring, so a non-technical buyer will spend $40 and get nothing. Judged as a data purchase rather than a software purchase, the coverage numbers, the published crawl cadences, and the source URL on every record make this unusually good value.
RB2B
Self-serve monthly subscription metered by identification resolutions, with published overage rates and a per-domain add-on.
- Free$0
- Starter$79
- Pro$149
- Pro Plus$199
For a United States focused business, RB2B is the highest-leverage $149 in this category. Person-level identification with a business email address, pushed to Slack in real time, is a capability that ABM platforms charge tens of thousands a year for, and RB2B sells it month to month with a published overage rate. The value depends entirely on two variables you can measure in a week: how much of your traffic is American, and what share of it resolves. If both numbers are good, nothing else here competes on capability per dollar. If your traffic is European, the product degrades to company-level identification and cheaper alternatives do that job just as well.
Editorial verdict on each
PredictLeads
PredictLeads is what you buy when you have decided to build the signal engine yourself. The coverage is real, the crawl cadences are published rather than implied, and the primary source URL on every record is a quality property almost nobody else in this category offers. Pricing starts free, floors at $40 a month, and falls to fractions of a cent per call, which makes it dramatically cheaper than any packaged platform running on comparable data. The catch is unambiguous and you should not talk yourself past it: there is no dashboard, no alert, and no scoring, so the value only exists if you or your Clay table can turn API responses into something a person acts on. Technical go-to-market teams should treat this as a default component of their stack. Everyone else should buy a tool with an interface and let it worry about where the data came from.
Read the full PredictLeads profileRB2B
MomentumRB2B is the cheapest way to find out which specific human is on your website, and for a United States focused small business that is a genuinely unfair advantage for $149 a month. The pixel takes minutes, the alert lands in Slack while the person is still reading, and the pricing is month to month with published overage instead of an annual ABM contract. Two things decide whether it works for you, and both are measurable in a week: how American your traffic is, and how much of it resolves. Run the free tier, then the seven-day Pro trial, and look at the actual match rate before you commit. If your buyers are European, walk away and buy a company-level tool built for that market. And whatever your geography, understand that RB2B hands you a name and stops; the scoring, the judgement, and the message are still your job.
Read the full RB2B profilePredictLeads profile last reviewed 2026-08-22; RB2B last reviewed 2026-08-22. Pricing is compiled from public sources and can change without notice. See our methodology.