Best free Apollo.io alternatives

Looking for a free alternative to Apollo.io? Here are 9 sales & customer intelligence worth trying — 5 with a free tier. Apollo.io itself is free tier + paid.

ToolApollo.io (you searched)ClayUnifySalesforce Agentforce
Pricingfreemiumfreemiumfreemiumfreemium
Best forFree Starter plan with unlimited contact emails (10,000 credits/mo fair-use)AI-powered data enrichment and prospectingCredit-based AI GTM platform combining intent signals, enrichment and outreachBuild/deploy autonomous agents natively across Salesforce Sales/Service/Marketing Cloud
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Apollo.io alternatives — straight answers

What is the best free alternative to Apollo.io?

Clay is the closest free alternative to Apollo.io: same Sales & Customer Intelligence sub-category, and it is free tier + paid. AI-powered data enrichment and prospecting

Are there free Apollo.io alternatives?

Yes — 5 of the 9 alternatives listed here are free or freemium: Clay, Unify, Salesforce Agentforce, HubSpot Breeze, Zendesk AI. The other 4 are trial or paid.

Is Apollo.io free?

Apollo.io is free tier + paid. There is a free tier you can work in, with paid plans above it.

How were these Apollo.io alternatives chosen?

They are the other tools in Sales & Customer Intelligence, then the rest of Data Analysis & Business, ordered free tiers first and capped at 9. There is no sponsorship and no paid placement in that ordering — only the pricing tier decides.

Clay

Sales & Customer Intelligence
freemium

✦ WhyA Apollo.io alternative — AI-powered data enrichment and prospecting.

  • AI-powered data enrichment and prospecting
  • 100+ data providers in one table
  • Claygent researches accounts for you
  • Free plan

Unify

Sales & Customer Intelligence
freemium

✦ WhyA Apollo.io alternative — Credit-based AI GTM platform combining intent signals, enrichment and outreach.

  • Credit-based AI GTM platform combining intent signals, enrichment and outreach
  • Genuine free plan: 100 credits/seat/month, up to 3 seats
  • Read-only Salesforce/HubSpot sync on Pro tier

Salesforce Agentforce

Sales & Customer Intelligence
freemium

✦ WhyA Apollo.io alternative — Build/deploy autonomous agents natively across Salesforce Sales/Service/Marketing Cloud.

  • Build/deploy autonomous agents natively across Salesforce Sales/Service/Marketing Cloud
  • Free "Foundations" tier: 200k Flex Credits + Agent Builder on Enterprise Edition+
  • Three parallel pricing models: per-conversation, flex credits, or per-user

HubSpot Breeze

Sales & Customer Intelligence
freemium

✦ WhyA Apollo.io alternative — Suite of AI agents (Customer, Prospecting, Content, Data) built into HubSpot CRM.

  • Suite of AI agents (Customer, Prospecting, Content, Data) built into HubSpot CRM
  • Included credits on every plan tier (500-5,000/mo) plus outcome-based pricing
  • Customer Agent billed per resolved conversation since April 2026

Zendesk AI

Sales & Customer Intelligence
freemium

✦ WhyA Apollo.io alternative — AI Agents resolve up to claimed 80% of complex service issues across channels.

  • AI Agents resolve up to claimed 80% of complex service issues across channels
  • Outcome-based pricing for automated resolutions, not just seats
  • Intelligent Triage auto-classifies tickets; Admin Copilot surfaces ops insights

lemlist

Sales & Customer Intelligence
trial

✦ WhyA Apollo.io alternative — lemAgent AI sources leads, personalizes outreach and drafts replies.

  • lemAgent AI sources leads, personalizes outreach and drafts replies
  • True multichannel: email, LinkedIn, SMS, WhatsApp, calls in one sequence
  • AI call summaries with CRM auto-fill

Smartlead

Sales & Customer Intelligence
trial

✦ WhyA Apollo.io alternative — Unlimited sending mailboxes across all plans.

  • Unlimited sending mailboxes across all plans
  • AI-driven inbox warmup and deliverability optimization (SmartDelivery)
  • Add-on AI voice dialer (SmartDialer)

Gong

Sales & Customer Intelligence

✦ WhyA Apollo.io alternative — Revenue intelligence from call recordings.

  • Revenue intelligence from call recordings
  • Deal risk and coaching insights
  • AI agents for sales workflows
  • Enterprise pricing

Intercom Fin

Sales & Customer Intelligence

✦ WhyA Apollo.io alternative — AI support agent that resolves tickets.

  • AI support agent that resolves tickets
  • Answers from your help content
  • Pay-per-resolution model
  • Human handoff built in

Apollo.io head-to-head