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Apollo.io is a free-to-start AI-powered sales intelligence and outreach platform combining a 210M+ contact database, AI email writing, automated sequences, a built-in dialer, and CRM integrations — used by over 500,000 companies to find, engage, and convert B2B leads at scale.
Apollo.io (apollo.io) is an AI-powered sales intelligence and engagement platform used by over 500,000 companies worldwide, from early-stage startups to enterprise sales organizations. Founded in 2015, Apollo combines a massive B2B contact database (210M+ contacts, 35M+ companies) with built-in sequencing, AI email writing, a sales dialer, and CRM enrichment — all in one platform. It is one of the most comprehensive free-to-start sales intelligence tools available, with a genuinely useful free plan that includes database access, basic sequencing, and limited AI credits.
Apollo operates on a unified credit system: credits are the currency for accessing contact data. Email lookups cost 1 credit, phone number reveals cost 8 credits, and AI research tasks cost 1 credit per run. This means the advertised per-user price is only part of the total cost — teams doing heavy phone prospecting often spend significantly more than the base plan rate once credit overages kick in.
Apollo.io acts as a full-stack sales intelligence and outreach agent. Users search the contact database using advanced filters (role, company size, industry, technology stack, buying intent signals, geography) to build targeted prospect lists. AI then assists with email personalization, suggesting tailored opening lines and value propositions based on prospect profile data. Automated sequences send emails on schedule, pause when prospects reply, and surface phone and task reminders to reps. The AI lead scoring engine ranks prospects by likelihood to convert based on firmographic and behavioural data. On Professional and Organization plans, call recordings are transcribed and summarized by AI, giving managers visibility into conversation quality without manual review. CRM enrichment runs automatically, keeping Salesforce, HubSpot, and Pipedrive records up to date with verified contact data.
Apollo uses a credit-based system. Email credits are effectively unlimited (subject to fair-use policy). Mobile number reveals and export actions consume credits that vary by plan tier. Monthly billing is available on all plans; annual billing saves 18–25% depending on plan. Organization plan requires a minimum of 3 users.
| Plan | Monthly | Annual (per user/mo) | What's included |
|---|---|---|---|
| Free | Free | Free | Access to 210M+ contact database, basic search filters, 5 mobile credits/month, 10 export credits/month, unlimited email credits (fair use), up to 2 active sequences, 1 buying intent topic, 50 AI credits/month. No CRM integration, no dialer, no A/B testing. |
| Basic | $65/mo | $49/mo Save 25% | Advanced search filters, 75 mobile credits/month, 1,000 export credits/month, unlimited sequences, A/B testing, buying intent data (6 topics), CRM integrations (Salesforce, HubSpot, Pipedrive), 1,000 AI credits/month. No dialer, no AI lead scoring. |
| Professional | $99/mo | $79/mo Save 20% | Everything in Basic plus: 100 mobile credits/month, 2,000 export credits/month, AI email writing, AI lead scoring, sales dialer with call recording and AI transcription (4,000 mins/month), advanced automation, pre-built dashboards, goals tracking, 2,000 AI credits/month. |
| Organization | $149/mo | $119/mo Save 20% | Everything in Professional plus: 200 mobile credits/month, 4,000 export credits/month, international dialer, 8,000 dialer minutes/month, unlimited customizable reports, advanced API access, Single Sign-On (SSO), advanced security controls. Minimum 3 users required. |
All prices per user per month. Organization plan requires a minimum of 3 seats. Credits expire at end of billing period; overage credits cost $0.20 each (250-credit minimum purchase). Real-world email data accuracy reported at 65–75% — supplementary verification may be needed. Always verify current rates at apollo.io/pricing.
Apollo.io suits a wide range of B2B sales teams — from solo founders exploring outbound for the first time (free plan) to enterprise sales organizations needing deep account intelligence, CRM enrichment, and AI-assisted call analysis (Organization plan). It is particularly strong for teams that want a database, sequencing tool, and dialer in one platform rather than paying separately for a data provider (ZoomInfo, Lusha) plus an outreach tool (Outreach, SalesLoft). The free plan is one of the most generous in the category and is worth testing before committing to any paid tier. The main caveats are the credit system complexity, which makes budgeting difficult for teams doing heavy phone prospecting, and data accuracy that some users find lower than premium-tier data providers like ZoomInfo. Teams focused purely on phone prospecting may also find a dedicated outbound dialer more effective for high-call-volume workflows.
Apollo.io is an AI-powered sales intelligence and engagement platform with a 210M+ contact database, automated email sequencing, AI email writing, a built-in sales dialer, CRM enrichment, and buying intent data — all in one tool. It is used by over 500,000 companies to identify B2B prospects, automate outreach, and track pipeline activity. Apollo is notable for offering a genuinely functional free plan that includes full database access and basic sequencing with no credit card required.
Yes. Apollo.io has a permanent free plan that includes access to the full 210M+ contact database, basic search filters, 5 mobile credits per month, 10 export credits per month, unlimited email credits (subject to fair-use limits), up to 2 active sequences, and 50 AI credits per month. No credit card is required. The free plan is limited on mobile credits and does not include CRM integration, A/B testing, the sales dialer, or AI lead scoring. Paid plans start at $65/user/month (monthly) or $49/user/month (annual).
Apollo.io has four plans. Free is $0. Basic is $65/user/month (monthly) or $49/user/month (annual). Professional is $99/user/month (monthly) or $79/user/month (annual), and adds the sales dialer, AI email writing, and AI lead scoring. Organization is $149/user/month (monthly) or $119/user/month (annual) with a minimum of 3 users, and adds SSO, international dialing, advanced security, and customizable reporting. Credits expire monthly; overage credits cost $0.20 each with a 250-credit minimum purchase.
Apollo's AI features include AI email writing for generating personalized subject lines and body copy based on prospect profile data (Professional plan and above); AI lead scoring that ranks prospects by conversion likelihood using firmographic and behavioural signals (Professional plan and above); AI call transcription and summarization for recorded sales calls (Professional plan and above); AI research credits for generating deeper prospect and account intelligence; and buying intent data that surfaces companies actively researching relevant topics (Basic plan and above). The free plan includes 50 AI credits per month for limited research tasks.
Apollo.io's data accuracy is generally reported at 65–75% for email addresses based on user reviews on G2 and Trustpilot, with email bounce rates of 15–25% cited by some active users. This is lower than premium data providers like ZoomInfo or Lusha, which typically report higher verified accuracy at a correspondingly higher price. For most outbound teams, Apollo's data quality is sufficient when combined with email list verification before sending. Teams running high-volume phone prospecting may find mobile number accuracy more variable and may benefit from cross-referencing with a supplementary data source.
Source: aitoolscoop.com — AI Tools & Agents Directory. Data verified May 2026.
| Plan | Monthly | Annual (billed yearly) |
|---|---|---|
| Starter | $65/mo | $49/mo Save 25% |
Free plan available (database access, 2 sequences, no credit card). Paid plans from $65/user/mo (monthly) or $49/user/mo (annual). Organization plan min 3 users. Credit overages $0.20/credit.
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