Head-to-Head

Apollo.io vs Seamless.AI

Which is right for your team in 2025?

Apollo.io

All-in-one sales intelligence and engagement platform

★★★★★

4.6(6,842)

Starting price: $49/mo

Free plan: ✅ Yes

Best for: SDR teams

Company size: all

Full Apollo.io review →

Seamless.AI

Real-time AI search engine for B2B contact data

★★★★★

4.2(3,102)

Starting price: $147/mo

Free plan: ✅ Yes

Best for: High-volume outbound

Company size: smb

Full Seamless.AI review →

🏆 Our Verdict

Apollo.io is the better choice if you need SDR teams or outbound-led growth — especially for all companies.

Seamless.AI wins when your priority is High-volume outbound or US-focused prospecting — and is better suited for smb teams.

Full Feature Comparison

Feature	Apollo.io	Seamless.AI
Rating	★★★★★ 4.6	★★★★★ 4.2
Starting Price	$49/mo	$147/mo
Free Plan	✅ Yes	✅ Yes
Free Trial	✅ Yes	❌ No
Best For	SDR teams, outbound-led growth	High-volume outbound, US-focused prospecting
Company Size	all	smb
Top Integrations	Salesforce, HubSpot, Outreach	Salesforce, HubSpot, LinkedIn

Apollo.io — Pros & Cons

✅ Pros

+275M+ contact database
+Built-in email sequences
+Free tier available
+Strong Chrome extension
+CRM integrations

❌ Cons

−Data accuracy varies by region
−UI can feel overwhelming
−Email deliverability requires warmup

Seamless.AI — Pros & Cons

✅ Pros

+Unlimited search on top tiers
+Real-time data building
+AI-powered search
+Free tier available

❌ Cons

−Data accuracy mixed reviews
−Aggressive upsell tactics
−Weaker EMEA coverage

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Who Should Use Apollo.io vs Seamless.AI?

Choose Apollo.io if you...

→SDR teams
→outbound-led growth
→B2B prospecting
→revenue operations

Choose Seamless.AI if you...

→High-volume outbound
→US-focused prospecting
→unlimited search needs

Integration Comparison

Apollo.io Integrations

SalesforceHubSpotOutreachSalesloftSlackGmailOutlook

Seamless.AI Integrations

SalesforceHubSpotLinkedInGmail

Frequently Asked Questions

What is the main difference between Apollo.io and Seamless.AI?▼

Apollo.io is best known for SDR teams and outbound-led growth, while Seamless.AI excels at High-volume outbound and US-focused prospecting. Apollo.io suits all companies more, whereas Seamless.AI is designed for smb teams.

Is Apollo.io better than Seamless.AI?▼

It depends on your needs. Apollo.io is the better choice for SDR teams and outbound-led growth. Seamless.AI is better for High-volume outbound and US-focused prospecting. Apollo.io has a slightly higher average user rating (4.6/5).

Which is cheaper — Apollo.io or Seamless.AI?▼

Apollo.io starts at $49/mo with a free plan. Seamless.AI starts at $147/mo with a free plan. For teams on a tight budget, Apollo.io is typically the more accessible starting point.

Do Apollo.io and Seamless.AI integrate with Salesforce?▼

Apollo.io has a native Salesforce integration. Seamless.AI also integrates natively with Salesforce.

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