Ocean.io vs Seamless.AI: Data Enrichment Tool Comparison

Ocean.io vs Seamless.AI: Data Enrichment Tool Comparison

If you are comparing B2B lead data and contact enrichment tools, Ocean.io and Seamless.AI 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, Ocean.io lists ai-powered lookalike filters and waterfall enrichment (16+ data sources), while Seamless.AI lists real-time b2b contact search engine and email and cell phone lookups. A capability both offer can appear under different names, so read both feature lists below.

Seamless.AI publishes an entry price of $0/mo; Ocean.io uses usage-based pricing, so the two cannot be compared on list price.

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

Ocean.io is B2B prospecting and enrichment platform that returns verified emails and direct phone numbers on one credit system shared across the platform and the API.

Seamless.AI is AI-powered sales lead platform with real-time contact search engine, pitch intelligence, and data enrichment for B2B prospecting.

Both platforms offer chrome extension. Where they diverge is in their approach to pricing tiers and advanced capabilities.

Pricing Comparison

Usage-basedOcean.io entry plan

Subscription (Yearly)

FreeSeamless.AI entry plan

Free

Ocean.io Pricing (as of September 2026)

Source: Ocean.io Pricing

Seamless.AI Pricing (as of September 2026)

Source: Seamless.AI Pricing

Pricing Analysis

One or both platforms use custom or contact-based pricing for some tiers. Reach out to their sales teams for exact quotes based on your usage needs.

Ocean.io offers 4 pricing tiers compared to Seamless.AI's 3, giving you more granularity as you scale.

Seamless.AI includes a free tier, which is helpful for evaluating the platform without upfront cost.

Features Breakdown

Ocean.io lists

• AI-powered lookalike filters
• Waterfall enrichment (16+ data sources)
• Double email verification (incl. catch-alls)
• Direct phone numbers
• Unlimited seats
• Free exports
• and 1 more listed below

Both tools

• Chrome extension

Seamless.AI lists

• Real-time B2B contact search engine
• Email and cell phone lookups
• Pitch intelligence
• Data enrichment
• Buyer intent data (add-on)
• Job changes tracking (add-on)
• and 3 more listed below

Ocean.io Key Features

• AI-powered lookalike filters
• Waterfall enrichment (16+ data sources)
• Double email verification (incl. catch-alls)
• Direct phone numbers
• Chrome extension
• Unlimited seats
• Free exports
• API access

Seamless.AI Key Features

• Real-time B2B contact search engine
• Email and cell phone lookups
• Pitch intelligence
• Data enrichment
• Buyer intent data (add-on)
• Job changes tracking (add-on)
• Autopilot list building (add-on)
• AI writing assistant
• Chrome extension
• Enterprise security and compliance

Shared Capabilities

Both Ocean.io and Seamless.AI include:

• Chrome extension

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 Ocean.io

• AI-powered lookalike filters
• Waterfall enrichment (16+ data sources)
• Double email verification (incl. catch-alls)
• Direct phone numbers
• Unlimited seats
• Free exports
• API access

Listed only by Seamless.AI

• Real-time B2B contact search engine
• Email and cell phone lookups
• Pitch intelligence
• Data enrichment
• Buyer intent data (add-on)
• Job changes tracking (add-on)
• Autopilot list building (add-on)
• AI writing assistant
• Enterprise security and compliance

Integration Ecosystem

Ocean.io Integrations

Ocean.io connects with: HubSpot, Pipedrive, Salesforce, Clay.

Seamless.AI Integrations

Seamless.AI connects with: Salesforce, HubSpot, Outreach, SalesLoft, Pipedrive, Microsoft Dynamics 365, Zapier.

Shared Integrations

Both tools integrate with: HubSpot, Pipedrive, Salesforce.

Integrations listed only by Ocean.io: Clay.

Integrations listed only by Seamless.AI: Outreach, SalesLoft, Microsoft Dynamics 365, Zapier.

Use Case Recommendations

Best Fit for Ocean.io

• Enterprise buyers who prefer custom pricing and dedicated support
• Revenue operations teams building targeted prospect lists
• Marketing teams enriching CRM data for segmentation
• Sales teams researching target accounts

Best Fit for Seamless.AI

• Budget-conscious teams looking for an affordable data enrichment tool
• Teams that need a wide feature set (10 capabilities listed)
• Organizations with complex tech stacks needing broad integration support (7 integrations)
• Teams that want to start free and scale up as needs grow
• Enterprise buyers who prefer custom pricing and dedicated support

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

Ocean.io and Seamless.AI both serve the B2B lead data and contact enrichment market. Seamless.AI publishes an entry price (a free tier), while Ocean.io uses usage-based pricing for its plans, so compare on features and on the quote you receive. 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 Ocean.io and Seamless.AI for current information.