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Apollo.io vs Unify: Which AI agent is better?

Compare pricing, AI models, integrations, security posture, pros, cons, and buyer fit before choosing the right AI sales / crm agent for your workflow.

Verdict: Apollo.io vs Unify

Pick Apollo.io if you need b2b prospecting with massive contact database. Pick Unify if you need ai-powered sales outreach platform combining signals and personalization.

Cheaper entry

Apollo.io wins on price.

More integrations

Unify integrates with 7 platforms.

Best for B2B prospecting with massive contact database

Apollo.io

Apollo.io provides access to over 275 million contacts and 73 million companies, making it one of the largest B2B prospecting databases available with extensive coverage across industries and geograph...

AI Models
Apollo AIML-based lead scoringNLP for email generation
Key Features
  • 275M+ contacts and 73M+ companies database
  • AI-powered lead scoring with conversion prediction
  • Multi-channel sequences: email, LinkedIn, phone
  • AI email writer with personalization from prospect data
  • Intent signals identifying active buyers
Pricing
Free$0/month
Basic$49/user/month
Professional$79/user/month
Organization$119/user/month
Pros
  • Massive contact database reduces manual prospecting
  • Intent signals provide perfect outreach timing
  • Free tier offers substantial value for small teams
Cons
  • Data accuracy varies across database segments
  • Email credits can run out quickly on lower tiers
Best AI-powered sales outreach platform combining signals and personalization

Unify

Unify is an AI-powered sales outreach platform that combines real-time buying signal detection with automated personalized outreach, built to help B2B sales teams engage prospects at exactly the right...

AI Models
GPT-4oProprietary signal detection modelsCustom intent AI
Key Features
  • Real-time buying signal detection across job postings, funding, and intent data
  • Signal-triggered personalized outreach sequences
  • AI account and contact research with continuous data refresh
  • Multi-channel sequences: email, LinkedIn, phone call tasks
  • Pre-built signal library with custom signal builder
Pricing
Growth$500/month
Professional$1500/month
EnterpriseCustom pricing
Pros
  • Signal-triggered outreach engages prospects at peak buying intent moments
  • Pre-built signal library enables rapid deployment without custom configuration
  • Continuous account data refresh ensures outreach is always grounded in current context
Cons
  • Higher entry price point compared to simpler outreach automation tools
  • Signal quality depends on data provider coverage for specific market segments

Who should buy this

Apollo.io

Best for
  • SDR or BDR running outbound at scale needing contact + email + sequences in one tool
  • Small startup wanting Apollo's 275M+ contact database without ZoomInfo's enterprise contract
  • RevOps team consolidating prospecting + dialer + email + CRM enrichment
Not ideal for
  • Buyers needing only contact data (cheaper to use Apollo's data via API at Organization tier)
  • Enterprises needing strict GDPR data residency (US-hosted only)
Realistic monthly cost

Free Starter forever (limited credits). Solo SDR: ~$59/seat/mo Basic. Pro SDR with intent signals: $79/seat/mo. Mid-market: $119/seat/mo Organization (min 3 seats, API access).

Verified 2026-05-03

Capabilities at a glance

CapabilityApollo.ioUnify
275M+ contact database
Largest in the category
Email sequences + dialer
Buying intent signals
Professional+
Public API
Organization tier
CRM bidirectional sync (Salesforce, HubSpot)
On-prem / self-hosted
Supported Partial Not supported No data

Security & compliance

Standard / controlApollo.ioUnify
SOC 2
Type II
GDPR
SSO / SAML
RBAC
Audit logs
Apollo.io verified at apollo.io

What users say

Apollo.io

Notable customers

Stripe, Notion, Brex, DocuSign

Frequently asked questions

Which is cheaper, Apollo.io or Unify?+

Apollo.io's Basic plan is $49/user/month and Unify's Growth plan is $500/month. Apollo.io is the cheaper entry point.

What AI models do Apollo.io and Unify use?+

Apollo.io runs on Apollo AI, ML-based lead scoring, NLP for email generation. Unify runs on GPT-4o, Proprietary signal detection models, Custom intent AI.

What is the main difference between Apollo.io and Unify?+

Apollo.io is positioned as best for b2b prospecting with massive contact database, while Unify is positioned as best ai-powered sales outreach platform combining signals and personalization. Pick the one whose strength aligns with your primary use case.

Which has better integrations, Apollo.io or Unify?+

Apollo.io integrates with Salesforce, HubSpot, LinkedIn, Gmail and 2 more. Unify integrates with Salesforce, HubSpot, Outreach, Salesloft and 3 more.

What are the main weaknesses of Apollo.io and Unify?+

Apollo.io's main drawback: data accuracy varies across database segments. Unify's main drawback: higher entry price point compared to simpler outreach automation tools.

Are Apollo.io and Unify worth it in 2026?+

Both remain competitive sales / crm options in 2026. Apollo.io stands out for massive contact database reduces manual prospecting. Unify stands out for signal-triggered outreach engages prospects at peak buying intent moments. Choose based on which trade-offs fit your workflow and budget.