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MarTech Vendor · B2B SaaS Provider · vs · B2B SaaS Provider · MarTech Vendor

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Apollo.io vs Double

Structured technology and market comparison · 2026

Direct Feature Comparison

Apollo.io · vs · Double
Market Cluster / Sector
Apollo.ioMarTech Vendor · B2B SaaS Provider
DoubleB2B SaaS Provider · MarTech Vendor
Platform Focus
Apollo.io

B2B sales intelligence and engagement platform for go-to-market teams.

Double

AI SaaS for lead research, enrichment and qualification.

Company Size
Apollo.io1,001–5,000 employees
DoubleUnknown
Headquarters
Apollo.ioUS
DoubleUS
Year Founded
Apollo.io2015
Double2022
Dossier & Alternatives

Analyze all overlapping signals and tech stacks for Apollo.io and Double

Compare mutual enterprise clients, monetization models, live market signals, and partner networks directly in the interactive Knowledge Graph.

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Comparison Analysis

What is the main difference between Apollo.io and Double?

When comparing Apollo.io and Double, both platforms operate within the Customer Data & Clean Room Platform (CDP/DCR), B2B SaaS Provider, and MarTech Vendor ecosystem. Apollo.io is positioned as B2B sales intelligence and engagement platform for go-to-market teams, whereas Double focuses on AI SaaS for lead research, enrichment and qualification. Decision-makers evaluate both solutions when orchestrating their commercial monetization and technology stack.

What are the top alternatives to Apollo.io and Double?

When evaluating Apollo.io and Double, enterprise buyers also consider other platforms in Customer Data & Clean Room Platform (CDP/DCR), B2B SaaS Provider, and MarTech Vendor. You can discover the full competitive landscape and evaluate other alternatives by viewing their respective footprint profiles on Polaris7.

How do the corporate scale, structure, and headquarters of Apollo.io and Double compare?

Apollo.io is headquartered in US (founded in 2015) with 1,001–5,000 employees. Double is based in US (founded in 2022) with Unknown. Complete ownership, subsidiary trees, and corporate affiliations are documented across Polaris7.

Compare their exact ecosystem overlaps.

Explore all deep relationships in Polaris7. Discover exactly which mutual clients, integrated technologies, and overlapping partners Apollo.io and Double share across the market ecosystem.

Start for freeApollo.io ProfileDouble Profile