B2B sales platform combining a contact/company database with outreach automation and deal-tracking tools.
RecommendedLast reviewed July 11, 2026
Apollo pairs a contact and company database, 230M+ contacts and 30M+ companies by its own count, with the tools to reach them. You search or build a list, pull verified emails and phone numbers, then run multichannel sequences with automated follow-ups. There's a Chrome extension for prospecting on LinkedIn and elsewhere, plus a built-in dialer for cold calls. Nothing exotic. It's the standard find-verify-sequence loop, just bundled into one login.
The CRM layer is real but thin: pipeline boards and deal alerts exist, but Apollo positions itself as syncing into Salesforce or HubSpot rather than replacing them, so most teams keep a dedicated CRM as the system of record. Usage is credit-based, not just seat-based, so revealing a contact or exporting a list draws from a shared pool. Worth knowing before you plan a big list-building push.
Think of it as prospecting-plus-sequencing with a CRM bolted on, not the other way around.
The tools we'd run next to Apollo.io, and what each pairing covers.
Apollo's free Starter plan works with no credit card, capped at low monthly credits and Gmail-only email sending. Trials add 50 general credits and 5 mobile credits before reverting to Starter limits after the trial ends. Paid plans add Outlook and Office 365 sending plus higher record-selection limits and larger credit pools, and extra credits can be purchased anytime. So-called Unlimited plans are not truly unlimited: a Fair Use Policy caps non-paying accounts at 10,000 credits per month, and caps paying accounts at the lesser of spend divided by $0.025 or one million credits per year. Budget for credit consumption, not just the subscription price, since list-building and exports drive the real cost.
Pick Cognism when EU/UK phone-verified data quality and GDPR compliance matter more than an all-in-one platform.
Pick Dealfront for Europe-focused intent and firmographic data with a stronger regional compliance framing.
Pick Ocean.io when you want account-based market mapping and lookalikes over a broad contact database.
Apollo offers a Starter plan with no credit card required, though it limits monthly credits and only connects Gmail for sending. Trial periods (separate from the free plan) add 50 general credits and 5 mobile credits temporarily. Once a trial ends, the account reverts to Starter's baseline limits unless you upgrade to a paid plan.
Credits get consumed by actions like revealing verified contact or company details and exporting records outside Apollo. Non-paying accounts on Unlimited-style plans are capped at 10,000 credits per account per month under Apollo's Fair Use Policy. Paying accounts get more headroom: the lesser of annual spend divided by $0.025, or one million credits per year. Extra credits can be purchased anytime.
Not fully. Apollo includes pipeline boards, deal alerts, and conversation tracking, but its own site positions these as syncing with Salesforce and HubSpot rather than replacing them. Teams already running a dedicated CRM typically keep it as the system of record and use Apollo for prospecting, enrichment, and sequencing, syncing qualified contacts and activity back in.
Yes. Apollo publishes API documentation covering search, enrichment, and sequence actions, so teams can pull contact and company data or trigger outreach programmatically instead of working only through the UI. Most users still run day-to-day prospecting and sequencing through the web app, with the API reserved for custom integrations and data pipelines.
Non-paying Starter accounts are restricted to Gmail connections for sending sequences. Paid plans add Microsoft Office and other email providers, so teams standardized on Outlook or Office 365 need at least the entry paid tier before Apollo can send through their existing mailboxes.
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