Apollo.io

Leading#4 in SaaShigh confidence
Combining prospecting and outreach in one tool with a 275M+ contact database.
Our read

Why it ranks #4

One of the most frequently included sales-engagement platforms in major cold-email roundups, with a very large G2 review footprint and a proprietary B2B database that pure senders do not match.

Here is the catch

contact data accuracy varies by region and segment
credit rules and plan entitlements are complex
less specialized deliverability control than cold-email-only tools

Does this well

combines prospect data and outreach in one system
large database and strong filtering
broad CRM and sales-tool integrations

Pricing

Checked by hand on 2026-07-23. Prices in this category change often — if this looks wrong, it probably is.

Key features

B2B contact and company databaseemail and call sequencesintent and account scoringCRM enrichment and workflow automation
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