Apollo.io vs ContactOut: Cross-Category Comparison
Compare Apollo.io (sales engagement platform) and ContactOut (data enrichment tool) side by side. Understand how these tools fit different stages of your sales workflow.
Apollo.io is a sales engagement platform for multi-channel outreach with a 275M+ contact database, starting at free with paid plans from $49/month. ContactOut is a data enrichment tool focused on finding verified emails and phone numbers from 300M+ profiles via LinkedIn extension, also starting free with paid plans from $49/month. Most teams use both since Apollo handles outreach orchestration while ContactOut specializes in lead sourcing and data enrichment at different workflow stages.
Key takeaways
- Apollo.io provides a 275M+ contact database with multi-channel sequences, built-in dialer, and AI-powered email optimization starting at $49/month for the Basic plan.
- ContactOut offers 300M+ professional profiles with a LinkedIn browser extension and provides 300 exports monthly on the $49/month Email plan.
- Both tools integrate with Salesforce, HubSpot, Gmail, and Zapier, making them compatible within the same tech stack.
- Apollo.io's free plan includes 100 credits per month with unlimited emails under fair use, while ContactOut's free plan allows 5 emails and 5 phone numbers per day.
- The tools serve different workflow stages with minimal feature overlap, making them complementary rather than competitive solutions.
Reviewed and updated February 6, 2026
Apollo.io vs ContactOut: Cross-Category Comparison
Should you invest in a dedicated sales engagement platform like Apollo.io or a data enrichment tool like ContactOut? This is a common question for revenue teams building their outbound infrastructure. The answer depends on where your biggest gaps are.
Why Compare These Two Tools?
Data enrichment tools provide the contact data that sales engagement platforms use for outreach sequences. The question for buyers is often whether an all-in-one platform that includes data can replace a dedicated enrichment tool.
Apollo.io is a sales engagement platform focused on multi-channel sales outreach. All-in-one sales intelligence and engagement platform combining a 275M+ contact database with automated sequences, email outreach, dialer, and AI-powered workflows for prospecting at scale.
ContactOut is a data enrichment tool focused on B2B lead data and contact enrichment. Email and phone finder with 300M+ professional profiles, LinkedIn-focused browser extension, and AI-powered email campaigns.
Where Each Tool Fits in Your Workflow
| Aspect | Apollo.io | ContactOut |
|---|---|---|
| Category | Sales Engagement Platform | Data Enrichment Tool |
| Workflow Stage | Outreach orchestration | Lead sourcing and data |
| Primary Focus | Multi-channel sales outreach | B2B lead data and contact enrichment |
| Starting Price | Free | Free |
| Features Listed | 10 | 9 |
| Integrations | 12 | 8 |
Pricing Comparison
Apollo.io Pricing (as of February 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Free | Free | 100 credits/mo | Unlimited (fair use) |
| Basic | $49/mo | 5,000 credits/mo | Unlimited |
| Professional | $79/mo | 10,000 credits/mo | Unlimited |
| Organization | $119/mo | 15,000 credits/mo | Unlimited |
Source: Apollo.io Pricing
ContactOut Pricing (as of February 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Free | Free | 5 emails/day, 5 phones/day | N/A |
| $49/mo | 300 exports/month | Unlimited emails | |
| Email + Phone | $99/mo | 600 exports/month | Unlimited emails and phones |
| Team / API | Contact Sales | Custom | Custom |
Source: ContactOut Pricing
Pricing Context
These tools serve different purposes, so a direct price comparison requires context. Apollo.io starts at $0/mo for multi-channel sales outreach, while ContactOut starts at $0/mo for B2B lead data and contact enrichment. Many teams end up paying for both since they address different workflow stages.
Feature Highlights
Apollo.io Key Capabilities (Sales Engagement Platform)
- B2B contact and company database (275M+ contacts)
- Multi-channel sequences (email, phone, LinkedIn)
- AI-powered email writing and optimization
- Built-in dialer with call recording
- Automated workflows and engagement rules
- A/B testing for email sequences
- Buying intent signals and job change alerts
- Advanced lead scoring and filtering
- Email deliverability tools and mailbox rotation
- Conversation intelligence (Professional+)
ContactOut Key Capabilities (Data Enrichment Tool)
- 300M+ professional profiles
- Browser extension for LinkedIn
- Email campaigns
- AI email writer
- Data enrichment
- List builder
- Search portal
- Bulk license (700M+ profiles on Team)
- CSV export
Feature Overlap
These tools have minimal feature overlap, which makes sense given their different categories. They are more complementary than competitive.
Integration Ecosystem
Apollo.io Integrations
Apollo.io connects with: Salesforce, HubSpot, Pipedrive, Gmail, Microsoft Outlook, LinkedIn, Zapier, Slack, Sendgrid, Outreach, Salesloft, Webhooks API.
ContactOut Integrations
ContactOut connects with: Salesforce, HubSpot, Greenhouse, Lever, Bullhorn, Zapier, Gmail, Outlook.
Shared Integrations
Both tools integrate with: Salesforce, HubSpot, Gmail, Zapier. This shared ecosystem means they can work together in your tech stack.
When to Choose Apollo.io
- Your biggest gap is in outreach orchestration
- You already have a solid data enrichment tool and need specialized multi-channel sales outreach capabilities
- You want an affordable entry point ($0/mo)
- Your team's primary bottleneck is multi-channel sales outreach
When to Choose ContactOut
- Your biggest gap is in lead sourcing and data
- You already have a sales engagement platform and need better B2B lead data and contact enrichment
- You want an affordable entry point ($0/mo)
- Your team's primary bottleneck is B2B lead data and contact enrichment
Using Both Together
Many sales teams use both a sales engagement platform and a data enrichment tool as part of their complete workflow. Apollo.io handles outreach orchestration while ContactOut covers lead sourcing and data.
Since both tools integrate with Salesforce, HubSpot, Gmail, connecting them in your workflow is straightforward.
Decision Framework
- Map your workflow gaps. Which stage needs the most improvement: outreach orchestration or lead sourcing and data?
- Check your existing stack. Do you already have a tool covering one of these categories?
- Consider your budget. Can you invest in both, or do you need to prioritize one?
- Trial both. Sign up for free trials to evaluate each tool in your actual workflow.
- Measure ROI separately. Track the impact of each tool on its specific workflow stage.
Related Reading
- Best Apollo.io Alternatives in 2026
- Best ContactOut Alternatives in 2026
- Apollo.io vs Outreach: Sales Engagement Platform Comparison
- Apollo.io vs Salesloft: Sales Engagement Platform Comparison
- Apollo.io vs ContactOut: Data Enrichment Tool Comparison
Pricing and features verified as of February 2026. Visit Apollo.io and ContactOut for current information.
Frequently asked questions.
Frequently asked questions- Should I use Apollo.io or ContactOut for my sales team?
- Choose Apollo.io if your primary need is outreach orchestration with multi-channel sequences, dialer, and engagement automation. Choose ContactOut if your main gap is finding and enriching contact data, especially from LinkedIn profiles. Many teams use both tools together since Apollo handles outreach execution while ContactOut specializes in data sourcing at different workflow stages.
- Can Apollo.io and ContactOut work together in the same sales stack?
- Yes, Apollo.io and ContactOut integrate well together through shared connections with Salesforce, HubSpot, Gmail, and Zapier. ContactOut can source and enrich lead data which then feeds into Apollo.io for outreach orchestration. Since they address different workflow stages—lead sourcing versus outreach execution—they complement rather than compete with each other.
- What's the main difference between Apollo.io and ContactOut?
- Apollo.io is a sales engagement platform focused on multi-channel outreach orchestration with sequences, dialer, and automation across email, phone, and LinkedIn. ContactOut is a data enrichment tool focused on finding verified emails and phone numbers from professional profiles, primarily through a LinkedIn browser extension. Apollo executes outreach campaigns while ContactOut sources the contact data.
- How much do Apollo.io and ContactOut cost?
- Both offer free plans. Apollo.io's paid plans start at $49/month for 5,000 credits and unlimited emails, with Professional at $79/month and Organization at $119/month. ContactOut's Email plan costs $49/month for 300 exports, while the Email + Phone plan is $99/month for 600 exports. Both free plans have daily limits but allow teams to test functionality before committing.
About the author.
Tim Carden is CMO / CTO at RevenueFlow, which builds and operates outbound revenue engines for B2B companies. Studied at McGill University.
Tim Carden · CMO / CTO
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