Best free Apollo.io alternatives

Looking for a free alternative to Apollo.io? Here are 9 sales & customer intelligence worth trying — 8 with a free tier. Apollo.io itself is free tier + paid.

ToolApollo.io (you searched)Twenty CRMClayUnify
Pricingfreemiumfreefreemiumfreemium
Best forFree Starter plan with unlimited contact emails (10,000 credits/mo fair-use)Open-source CRM with custom objects, fields and viewsAI-powered data enrichment and prospectingCredit-based AI GTM platform combining intent signals, enrichment and outreach
VisitOpen ↗Open ↗Open ↗Open ↗

Apollo.io alternatives — straight answers

What is the best free alternative to Apollo.io?

Twenty CRM is the closest free alternative to Apollo.io: same Sales & Customer Intelligence sub-category, and it is free. Open-source CRM with custom objects, fields and views

Are there free Apollo.io alternatives?

Yes — 8 of the 9 alternatives listed here are free or freemium: Twenty CRM, Clay, Unify, Salesforce Agentforce, HubSpot Breeze. None of them are paid-only.

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.

Twenty CRM

Sales & Customer Intelligence
freeNew

✦ WhyA Apollo.io alternative — Open-source CRM with custom objects, fields and views.

  • Open-source CRM with custom objects, fields and views
  • AI agents and chat built in
  • Self-host with Docker Compose or use twenty.com cloud
  • 57.7k GitHub stars

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
freemiumLeaving soon

✦ 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

Accio (Alibaba)

Sales & Customer Intelligence
freemiumNew

✦ WhyA Apollo.io alternative — AI agent that finds suppliers, compares products and drafts sourcing steps on Alibaba.com.

  • AI agent that finds suppliers, compares products and drafts sourcing steps on Alibaba.com
  • Free plan with optional paid upgrades
  • Accio Work adds agentic sourcing tasks
  • Mobile apps on iOS and Android

Attio

Sales & Customer Intelligence
freemiumNew

✦ WhyA Apollo.io alternative — Free plan for up to 3 seats and 50,000 records.

  • Free plan for up to 3 seats and 50,000 records
  • Ask Attio and AI agents with monthly AI credits on the free plan
  • Automatic contact enrichment and email/calendar sync
  • API, webhooks and workflows included

Hunter

Sales & Customer Intelligence
freemiumNew

✦ WhyA Apollo.io alternative — Free plan: 50 credits per month for email finding and verification.

  • Free plan: 50 credits per month for email finding and verification
  • AI Assistant with 10 AI lead searches per month
  • Connect one email account for sequences of up to 500 recipients
  • No credit card required

Apollo.io head-to-head