THE COMPARISON / A CLOSER LOOK

Seamless.AI vs Apollo

Compare the listed plans, useful capabilities, and practical tradeoffs.

Prices and features reflect editorial records. Check vendor terms before you buy; documentary checks do not imply hands-on testing.

Seamless.AI

🟡Low Code

Sales & Marketing AI

Seamless.AI: AI-powered sales prospecting platform for finding verified business leads and contact information.

SOURCE-CHECK COVERAGE

No scoped source-check record shown. Check current pricing and vendor terms before buying.

Starting Price

$0 Free plan; student promotional plan is $19.99/month; Pro and Enterprise have no exact public dollar price and require contact-sales pricing

Apollo

Sales & Marketing AI

Apollo combines a 265M+ B2B contact database with AI-powered prospecting, multi-channel sequence automation, and revenue analytics to accelerate sales…

SOURCE-CHECK COVERAGE

No scoped source-check record shown. Check current pricing and vendor terms before buying.

Starting Price

$0

Feature Comparison

Focus the table and use arrow keys to scroll when columns extend beyond the screen.

FeatureSeamless.AIApollo
CategorySales & Marketing AISales & Marketing AI
Pricing Plans4 listed plans5 listed plans
Starting Price$0 Free plan; student promotional plan is $19.99/month; Pro and Enterprise have no exact public dollar price and require contact-sales pricing$0
Key Features
  • Feature details unavailable
  • • 265M+ B2B contact database
  • • AI-powered prospect discovery
  • • Multi-channel sequence automation

Seamless.AI - Pros & Cons

Pros

  • ✓Purpose-built for sales prospecting rather than general task management, making it more relevant for teams focused on business lead discovery.
  • ✓Publishes a free 1-user plan with 50 credits, giving buyers a low-friction way to test contact search before a paid rollout.
  • ✓Pro plans start at 10,000 annual credits according to the pricing FAQ, which gives buyers a concrete baseline for credit-based comparison.
  • ✓Supports direct revenue-stack workflows through listed integrations such as Salesforce, HubSpot, Microsoft Dynamics 365, Outreach, Salesloft, Pipedrive, Zoho CRM, Greenhouse, Zapier, and the Chrome Extension.
  • ✓Combines prospecting data with workflow modules such as Connect, Pitch Intelligence, Job Changes, API access, Data Enrichment, Buyer Intent, and Autopilot.
  • ✓Enterprise plan is positioned for larger teams with unlimited users, unlimited exports, custom packages, customer success, and enterprise support.

Cons

  • ✗The Pro and Enterprise plans do not publish exact dollar pricing on the checked pricing page, so buyers must contact sales for quotes.
  • ✗Several advanced modules, including AI Assistant, Data Enrichment, Autopilot, and Buyer Intent Data, are shown as add-ons and their exact public dollar costs are not listed on the checked pricing page.
  • ✗The pricing page confirms credits but does not publish every credit overage cost, renewal rule, or package price.
  • ✗Contact accuracy and verification quality are central to this type of tool, but buyers still need to test results against their own target accounts and territories.
  • ✗Teams with strict data governance or compliance needs should review data sourcing, processing, retention, and permitted outreach use before deployment.

Apollo - Pros & Cons

Pros

  • ✓Massive contact database of 265M+ verified B2B contacts with 65+ filter attributes, reducing the need for a separate data vendor like ZoomInfo or Lusha.
  • ✓All-in-one platform consolidating prospecting, email/phone/LinkedIn sequencing, dialer, meeting scheduler, and analytics, so teams can retire multiple point tools.
  • ✓Genuinely useful free tier with unlimited email credits and basic sequences, making it practical for solo founders and early-stage SDRs to actually test the product.
  • ✓Strong native integrations with Salesforce, HubSpot, Gmail, Outlook, LinkedIn, and Slack, plus a widely-used Chrome extension for prospecting from any webpage.
  • ✓AI features (email writer, deal assistant, power-ups, intent scoring) are bundled into standard plans rather than locked behind expensive add-on SKUs.
  • ✓Per-seat pricing with monthly billing available is significantly cheaper than enterprise competitors, with published rates instead of forced sales calls.

Cons

  • ✗Data accuracy is inconsistent for senior executives, smaller companies, and non-US regions, where bounce rates and outdated titles are noticeably higher than premium providers.
  • ✗Email deliverability can suffer at scale if sequences aren't carefully warmed up and throttled, and Apollo's own sending reputation has drawn spam complaints in some industries.
  • ✗The interface bundles so many features that new users face a steep learning curve, and advanced workflow and enrichment features require meaningful configuration time.
  • ✗Credit and export limits on lower tiers can be restrictive for high-volume outbound teams, pushing real users onto Organization or Unlimited plans faster than expected.
  • ✗Support response times on lower-tier plans are slow, with chat and ticket-only access and no dedicated CSM until higher-paid tiers.

Not sure which to pick?

🎯 Take our quiz →

🔒 Security & Compliance Comparison

Focus the table and use arrow keys to scroll when columns extend beyond the screen.

Security FeatureSeamless.AIApollo
SOC2✅ Yes—
GDPR——
HIPAA——
SSO✅ Yes—
Self-Hosted❌ No—
On-Prem❌ No—
RBAC✅ Yes—
Audit Log——
Open Source❌ No—
API Key Auth✅ Yes—
Encryption at Rest✅ Yes—
Encryption in Transit✅ Yes—
Data Residency——
Data Retention——
🦞

New to AI tools?

Read practical guides for choosing and using AI tools

🔔

Price Alert Interest

Record the tools you want pricing updates for

Selected 2 tools

Registration records your interest; an alert schedule and email delivery are not confirmed.

Get weekly AI agent tool insights

Comparisons, new tool launches, and expert recommendations delivered to your inbox.

No spam. Unsubscribe anytime.

Ready to Choose?

Read the full reviews to make an informed decision