Apollo.io vs Vocus.io: Sales Engagement Platform vs Cold Email Platform Comparison
Compare Apollo.io (sales engagement platform) and Vocus.io (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Apollo.io is a sales engagement platform built for multi-channel outreach across email, phone, and LinkedIn, backed by a 275M+ contact database, starting free. Vocus.io is a cold email platform for Gmail and Google Workspace focused on sending campaigns, tracking opens and clicks, starting at $5/mo. Many teams use both together.
Key takeaways
- Apollo.io offers a free entry plan while Vocus.io's Basic plan starts at $5/mo.
- Apollo.io's database includes 275M+ contacts and supports multi-channel sequences across email, phone, and LinkedIn.
- Vocus.io's paid plans range from $5/mo for Basic up to $80/mo for Growth, with the Growth plan adding external SMTP support.
- Apollo.io integrates with HubSpot, Microsoft Outlook, and LinkedIn, none of which Vocus.io lists as integrations.
- Both platforms share integrations with Salesforce, Pipedrive, Gmail, and Zapier.
Reviewed and updated September 2, 2026
Apollo.io vs Vocus.io: Sales Engagement Platform vs Cold Email Platform Comparison
Apollo.io is a sales engagement platform; Vocus.io is a cold email platform. Whether you need one, the other, or both depends on which part of the workflow you are buying for: multi-channel sales outreach and engagement tracking on one side, cold email outreach on the other. This guide lays out what each vendor publishes.
The Quick Answer
Apollo.io is a sales engagement platform for multi-channel sales outreach and engagement tracking; Vocus.io is a cold email platform for cold email outreach. By each vendor's own wording, Apollo.io lists b2b contact and company database (275m+ contacts) and multi-channel sequences (email, phone, linkedin), and Vocus.io lists email tracking and templates & snippets.
Apollo.io offers a lower entry point at $0/mo compared to Vocus.io at $5/mo.
If your priority is coordinating outreach across email, phone, and social channels, Apollo.io is the one built for it; for sending campaigns that land in the inbox and generate replies, that is Vocus.io. Many teams run one of each.
Understanding the Core Difference
Apollo.io is 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.
Vocus.io is Email outreach platform for Gmail and Google Workspace. Sends personalized mass campaigns with automated follow-ups, tracks opens and link clicks per recipient, shares templates across a team and logs activity to a CRM.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Free
Basic
Apollo.io Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Free | Free | 900 credits per seat per year, granted monthly |
| Basic | $49/mo | 30,000 credits per seat per year, granted upfront |
| Professional | $79/mo | 48,000 credits per seat per year, granted upfront |
| Organization | $119/mo | 72,000 credits per seat per year, granted upfront |
Source: Apollo.io Pricing
Vocus.io Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Basic | $5/mo | 5 Inboxes; 50 Snippets | 50 Followups |
| Starter | $10/mo | 5 Inboxes; 100 Snippets | 100 Followups |
| Professional | $20/mo | 10 Inboxes; 200 Snippets | 500 Followups |
| Growth | $80/mo | 800 snippets | external SMTP support |
Source: Vocus.io 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 multi-channel sales outreach and engagement tracking and cold email outreach, this price difference matters.
Apollo.io includes a free tier, letting you test the platform before committing financially.
Features Breakdown
- 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
- and 4 more listed below
- Email tracking
- Templates & Snippets
- Send Later & Snooze
- Automated Followups
- Salesforce & CRM Integration
- Campaigns
- and 4 more listed below
Apollo.io Key Features
- 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+)
Vocus.io Key Features
- Email tracking
- Templates & Snippets
- Send Later & Snooze
- Automated Followups
- Salesforce & CRM Integration
- Campaigns
- Campaigns w/ Followups
- Campaigns w/ Attachments
- Branded URLs
- Teams
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
- 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+)
Listed only by Vocus.io
- Email tracking
- Templates & Snippets
- Send Later & Snooze
- Automated Followups
- Salesforce & CRM Integration
- Campaigns
- Campaigns w/ Followups
- Campaigns w/ Attachments
- Branded URLs
- Teams
Integration Ecosystem
Apollo.io Integrations
Apollo.io connects with: Salesforce, HubSpot, Pipedrive, Gmail, Microsoft Outlook, LinkedIn, Zapier, Slack, Sendgrid, Outreach, Salesloft, Webhooks API.
Vocus.io Integrations
Vocus.io connects with: Gmail, Google Workspace, Salesforce, Pipedrive, Zapier, Webhooks.
Shared Integrations
Both tools integrate with: Salesforce, Pipedrive, Gmail, Zapier.
Integrations listed only by Apollo.io: HubSpot, Microsoft Outlook, LinkedIn, Slack, Sendgrid, Outreach, Salesloft, Webhooks API.
Integrations listed only by Vocus.io: Google Workspace, Webhooks.
Use Case Recommendations
Best Fit for Apollo.io
- Budget-conscious teams looking for an affordable sales engagement platform
- Organizations with complex tech stacks needing broad integration support (12 integrations)
- Teams that want to start free and scale up as needs grow
Best Fit for Vocus.io
- Budget-conscious teams looking for an affordable cold email platform
- Sales teams running high-volume outbound email campaigns
- Agencies managing multiple client outreach programs
- SDR teams focused on pipeline generation
Feature Comparison Summary
| Feature | Apollo.io | Vocus.io |
|---|---|---|
| Starting Price | Free | $5/mo |
| Top Tier Price | $119/mo | $80/mo |
| Total Features Listed | 10 | 10 |
| Integrations | 12 | 6 |
| Founded | 2015 | N/A |
Getting Started Checklist
- Define your multi-channel sales outreach and engagement tracking and cold email outreach requirements and monthly budget
- Estimate your expected sequences and engagement actions and email sending volume to find the right tier
- List the integrations your team currently relies on
- Sign up for free trials or demos of both platforms
- Run a small test with each tool before making a commitment
- Evaluate the onboarding experience and support quality
Final Thoughts
Apollo.io serves the multi-channel sales outreach and engagement tracking side of an outbound stack and Vocus.io the cold email outreach side. Apollo.io offers a more accessible entry point, while Vocus.io 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 Vocus.io for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Apollo.io and Vocus.io?
- Apollo.io is a sales engagement platform for multi-channel outreach and engagement tracking across email, phone, and LinkedIn, while Vocus.io is a cold email platform focused specifically on email outreach through Gmail and Google Workspace. Apollo.io combines a large contact database with sequences and a dialer, while Vocus.io centers on campaign sending, tracking, and templates.
- Which platform is cheaper to start with, Apollo.io or Vocus.io?
- Apollo.io is cheaper to start with because it offers a free plan, while Vocus.io's lowest tier, Basic, costs $5/mo. This makes Apollo.io more accessible for teams with tight budgets or those testing multi-channel outreach before committing financially.
- Does Apollo.io include a contact database?
- Yes, Apollo.io lists a B2B contact and company database with over 275 million contacts as one of its key features. This is paired with multi-channel sequences covering email, phone, and LinkedIn, which Vocus.io does not list among its features.
- Can Apollo.io and Vocus.io be used together?
- Yes, the article notes that many teams run one of each because they serve different parts of the outreach workflow. Apollo.io handles multi-channel sales engagement while Vocus.io focuses on cold email campaigns, so combining them covers both needs.
- What integrations do Apollo.io and Vocus.io have in common?
- Both Apollo.io and Vocus.io integrate with Salesforce, Pipedrive, Gmail, and Zapier. Apollo.io additionally integrates with HubSpot, Microsoft Outlook, and LinkedIn, which are not listed among Vocus.io's integrations.
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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