Apollo.io Review, Pricing & Alternatives (2026)

Apollo.io is a sales intelligence and go-to-market platform made by ZenLeads, Inc., doing business as Apollo.io. Founded in 2015, it released its first product in 2016 and says it reached $150 million in annual recurring revenue in May 2025. Apollo also reports more than 500,000 companies using the platform and more than 50,000 weekly active users in 2025. Its 2023 Series D raised $100 million at a reported $1.6 billion valuation. The product combines a business contact database with prospect search, enrichment, sequencing, calling, pipeline support, analytics, and AI features. That combination places Apollo closer to a sales operating system than a standalone lead database, serving founders, sales teams, marketers, and revenue operations groups.

Apollo’s workflow usually begins with finding people or companies through filters, then selecting records for enrichment, lists, sequences, or exports. Email campaigns are available on every account. Free users can connect Gmail, while paid users can connect Microsoft Office and other providers. Teams can create sequences, manage pipeline activity, record calls, prepare for conversations, and review AI-generated insights. The AI Assistant accepts natural-language requests, uses Apollo data and saved messaging context, and can find decision-makers, research accounts, build sequences, export lists, and report on performance. Scheduled agents can run some outbound tasks in the background. Permissions still govern available actions, and Apollo advises reviewing generated messages, matches, and credit estimates before execution.

Apollo says it uses proprietary machine-learning models, third-party AI providers, and an integration layer for customer-selected tools. Its August 2026 AI policy names OpenAI, Anthropic, Gemini, Perplexity, Assembly AI, and Exa among providers used for selected features. Apollo says internal models run on its infrastructure and may use Customer Data and proprietary data as training inputs. Its October 2025 agentic platform announcement introduced AI Assistant, AI Projects, agentic outbound, inbound, deals, and data enrichment. Apollo said more than 10,000 users joined the AI Assistant beta within five days. Documentation updated October 14, 2026 adds personal memory, scheduled agents, and support for connecting a customer’s own large language model key.

Apollo uses per-seat plans plus credits for consumption-based actions. Free costs $0 per month and remains available without a time limit, with five AI Assistant chats per billing cycle and ten messages per chat. Basic costs $49 per seat monthly when billed annually, Professional costs $79, and Organization costs $119 with a three-seat minimum, according to its October 2026 pricing page. Apollo’s official plan naming uses Custom rather than Organization for teams needing custom volumes, single sign-on, advanced security, dedicated support, or complex integrations. Paid credits are pooled, granted at the billing-cycle start, and do not roll over. Add-on credits are recurring until removed, and monthly billing costs more than annual billing.

Apollo’s main limitation is pricing and usage complexity: the final amount depends on seats, billing frequency, credits, add-ons, and selected features. Basic includes one mailbox, 250 daily emails, five team workflows, and 1,000 records per selection, while Professional raises several limits and adds AI and call features. Standard plans are for internal business use, so powering external products, sharing data with customers, or reselling it requires a separate agreement. Apollo competes with ZoomInfo, Cognism, Outreach, Salesloft, and HubSpot Sales Hub. It combines data and enrichment more closely than Outreach or Salesloft, and adds execution tools beyond ZoomInfo or Cognism. Choose Apollo if one team needs prospect intelligence, outbound execution, enrichment, and AI actions together.