Apollo.io vs Proofy: Data Enrichment Tool Comparison

Apollo.io vs Proofy: Data Enrichment Tool Comparison

If you are comparing B2B lead data and contact enrichment tools, Apollo.io and Proofy will likely both appear on your radar. They share some surface-level similarities, but the details reveal important differences in pricing, capability, and target audience.

The Quick Answer

By each vendor's own wording, Apollo.io lists 210m+ contacts database and 30m+ companies, while Proofy lists bulk email verification and single verification in real time. A capability both offer can appear under different names, so read both feature lists below.

Apollo.io offers a lower entry point at $0/mo compared to Proofy at $5/mo.

If your priority is finding accurate contact data for target accounts, both tools target it. The right choice depends on your budget, team size, and the specific capabilities you need most.

Understanding the Core Difference

Apollo.io is All-in-one sales intelligence platform with 210M+ contacts, AI-powered campaigns, and built-in email sequencing.

Proofy is Proofy is an email verification service for bulk list cleaning and real-time single verification through an API, with SMTP, syntax, domain, disposable and accept-all detection. Credits are sold pay-as-you-go or by subscription, never expire, and unknown results are not charged.

The two platforms take different approaches to solving the same core challenge.

Pricing Comparison

FreeApollo.io entry plan

Free

Usage-basedProofy entry plan

Trial pack

Apollo.io Pricing (as of September 2026)

Source: Apollo.io Pricing

Proofy Pricing (as of September 2026)

Source: Proofy Pricing

Pricing Analysis

Apollo.io is more affordable at the entry level ($0/mo vs $5/mo). For teams with tight budgets or those just getting started with B2B lead data and contact enrichment, this price difference matters.

Apollo.io includes a free tier, letting you test the platform before committing financially.

Features Breakdown

Apollo.io lists

• 210M+ contacts database
• 30M+ companies
• AI-powered multichannel campaigns
• Email deliverability guardrails
• Anonymous visitor identification
• Real-time form enrichment
• and 4 more listed below

Proofy lists

• Bulk email verification
• Single verification in real time
• Email verifier API
• Duplicate email remover
• ISP detection
• Disposable and temporary detection
• and 4 more listed below

Apollo.io Key Features

• 210M+ contacts database
• 30M+ companies
• AI-powered multichannel campaigns
• Email deliverability guardrails
• Anonymous visitor identification
• Real-time form enrichment
• Contact and company enrichment
• Advanced filtering
• CRM data cleansing
• Pipeline boards

Proofy Key Features

• Bulk email verification
• Single verification in real time
• Email verifier API
• Duplicate email remover
• ISP detection
• Disposable and temporary detection
• Accept-all detection
• Syntax validation
• SMTP verification
• Mailbox full detection

The two lists below are a diff of each vendor's own feature list by exact wording, so a capability both tools offer can appear on either side under a different name.

Listed only by Apollo.io

• 210M+ contacts database
• 30M+ companies
• AI-powered multichannel campaigns
• Email deliverability guardrails
• Anonymous visitor identification
• Real-time form enrichment
• Contact and company enrichment
• Advanced filtering
• CRM data cleansing
• Pipeline boards

Listed only by Proofy

• Bulk email verification
• Single verification in real time
• Email verifier API
• Duplicate email remover
• ISP detection
• Disposable and temporary detection
• Accept-all detection
• Syntax validation
• SMTP verification
• Mailbox full detection

Integration Ecosystem

Apollo.io Integrations

Apollo.io connects with: Salesforce, HubSpot, Outreach, SalesLoft, Marketo, SendGrid, LinkedIn.

Proofy Integrations

Proofy connects with: .

Integrations listed only by Apollo.io: Salesforce, HubSpot, Outreach, SalesLoft, Marketo, SendGrid, LinkedIn.

Use Case Recommendations

Best Fit for Apollo.io

• Budget-conscious teams looking for an affordable data enrichment tool
• Organizations with complex tech stacks needing broad integration support (7 integrations)
• Teams that want to start free and scale up as needs grow

Best Fit for Proofy

• Budget-conscious teams looking for an affordable data enrichment tool
• Enterprise buyers who prefer custom pricing and dedicated support
• Revenue operations teams building targeted prospect lists
• Marketing teams enriching CRM data for segmentation

Feature Comparison Summary

Getting Started Checklist

1. Define your B2B lead data and contact enrichment requirements and monthly budget
2. Estimate your expected data credits or contact lookups to find the right tier
3. List the integrations your team currently relies on
4. Sign up for free trials or demos of both platforms
5. Run a small test with each tool before making a commitment
6. Evaluate the onboarding experience and support quality

Final Thoughts

Apollo.io and Proofy both serve the B2B lead data and contact enrichment market. Apollo.io offers a more accessible entry point, while Proofy starts at $5/mo. Your decision should weigh pricing against the specific features that matter most for your workflow.

Start with a trial of each to see which platform fits your team's daily process. The best tool is the one your team actually uses consistently.

Pricing and features verified as of September 2026. Visit Apollo.io and Proofy for current information.