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Apollo.io Tracker among Y Combinator companies

Apollo.io Tracker was detected on 172 of 5,386 crawled Y Combinator company websites, a share of 3.2%.

5,386 of 6,133 Y Combinator domains returned a usable record and form the denominator. 5,242 were counted from a rendered homepage crawl on 4 September 2026, 144 from a plain fetch only, and 747 returned no usable record. Company list: Y Combinator company directory. <5 means fewer than 5 crawled domains in that group. Rank 1 of the 5 Visitor Identification and ABM tools published for this group.

Software used by Y Combinator companies · Visitor Identification and ABM across all groups · Apollo.io Tracker across every group and the wider sample

Apollo.io Tracker runs on these Y Combinator companies

• Clear
• Go1
• Simetrik
• CareRev
• Luciq (formerly Instabug)
• Qventus
• inFeedo AI
• Bitmovin
• Zerocater
• lapzo
• Workpay
• Validere
• WorkRamp
• NanoNets
• Prodigal
• Shogun
• Ridecell
• Prembly (formerly Identitypass)
• DirectShifts
• Anakin

20 of 172, ordered by team size, largest first.

<a href="https://installmap.com/groups/yc/apollo-tracker"><img src="https://installmap.com/badges/yc/apollo-tracker.svg" alt="Apollo.io Tracker is the most detected Visitor Identification tool among Y Combinator companies: 172 of 5,386 crawled YC companies (3.2%)"></a>

[![Apollo.io Tracker is the most detected Visitor Identification tool among Y Combinator companies: 172 of 5,386 crawled YC companies (3.2%)](https://installmap.com/badges/yc/apollo-tracker.svg)](https://installmap.com/groups/yc/apollo-tracker)

Other Visitor Identification and ABM tools in this group

• RB2B 2.9%
• Vector 2.3%
• ZoomInfo WebSights 1.4%
• Warmly 1.3%
• Unify 1.2%
• Dealfront Leadfeeder 1.2%
• Snitcher 1.1%
• Leadsy 1.0%