Coresignal vs Ocean.io: Data Enrichment Tool Comparison
Compare Coresignal and Ocean.io side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
Coresignal and Ocean.io both provide B2B data enrichment but differ in structure: Coresignal offers a free tier plus nine pricing plans from $0 to $5000/mo with agentic search and multi-source endpoints, while Ocean.io uses usage-based credit pricing across four plans with waterfall enrichment across 16+ data sources and verified direct phone numbers. Choose based on budget, integrations, and required features.
Key takeaways
- Coresignal offers a free tier with 2,000 credits and a 7 day free trial, while Ocean.io has no free tier and uses usage-based pricing.
- Coresignal has 9 pricing tiers ranging from Free to $5000/mo for 10,000,000 credits, compared to Ocean.io's 4 plans.
- Ocean.io's Subscription (Yearly) plan requires a minimum of 9,000 credits and a maximum of 60,000, valid for 12 months.
- Coresignal integrates with 8 platforms including n8n, Zapier, Databricks, Google Cloud, Amazon S3, Snowflake, and Azure, while Ocean.io integrates with HubSpot, Pipedrive, Salesforce, and Clay.
- Both tools list Clay as a shared integration, but their other integrations do not overlap.
Reviewed and updated September 5, 2026
Coresignal vs Ocean.io: Data Enrichment Tool Comparison
Finding the right data enrichment tool can directly impact your revenue pipeline. Coresignal and Ocean.io both aim to solve the same core problem (finding accurate contact data for target accounts), yet they approach it differently. Let's break down the specifics.
The Quick Answer
By each vendor's own wording, Coresignal lists multi-source endpoints and agentic search api, while Ocean.io lists ai-powered lookalike filters and waterfall enrichment (16+ data sources). A capability both offer can appear under different names, so read both feature lists below.
Coresignal 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
Coresignal is B2B web data provider serving company, employee and job posting records through search and enrichment APIs, a natural language agentic search API, and bulk datasets.
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.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Free tier
Subscription (Yearly)
Coresignal Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Free tier | Free | 2,000 credits, 7 day free trial |
| Mini | $49/mo | 2,500 credits per month |
| Starter | $199/mo | 12,000 credits per month |
| Pro | $499/mo | 35,000 credits per month |
| Growth | $1000/mo | 150,000 credits per month |
| Premium | $1500/mo | 1,000,000 credits per month |
| Scale | $3000/mo | 4,000,000 credits per month |
| Elite | $5000/mo | 10,000,000 credits per month |
| Datasets | Contact Sales | Companies, Employees and Job postings datasets, delivered as JSON or CSV |
Source: Coresignal Pricing
Ocean.io Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Subscription (Yearly) | Usage-based | Minimum 9,000 credits, maximum 60,000; credits valid for 12 months |
| Subscription (Monthly) | Usage-based | Minimum 750 credits, maximum 5,000; credits valid for 6 months |
| Pay as you go | Usage-based | Minimum 1,000 credits, maximum 20,000; credits valid for 3 months |
| Custom plan | Contact Sales | Volume pricing for larger teams with flexible credit allocation |
Source: Ocean.io 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.
Coresignal offers 9 pricing tiers compared to Ocean.io's 4, giving you more granularity as you scale.
Coresignal includes a free tier, letting you test the platform before committing financially.
Features Breakdown
- Multi-source endpoints
- Agentic Search API
- Elasticsearch DSL
- Webhooks
- Search preview
- Contact Enrichment API
- and 2 more listed below
- AI-powered lookalike filters
- Waterfall enrichment (16+ data sources)
- Double email verification (incl. catch-alls)
- Direct phone numbers
- Chrome extension
- Unlimited seats
- and 2 more listed below
Coresignal Key Features
- Multi-source endpoints
- Agentic Search API
- Elasticsearch DSL
- Webhooks
- Search preview
- Contact Enrichment API
- 3-month credit rollover
- Dedicated account manager support
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
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 Coresignal
- Multi-source endpoints
- Agentic Search API
- Elasticsearch DSL
- Webhooks
- Search preview
- Contact Enrichment API
- 3-month credit rollover
- Dedicated account manager support
Listed only by Ocean.io
- 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
Integration Ecosystem
Coresignal Integrations
Coresignal connects with: n8n, Zapier, Clay, Databricks, Google Cloud, Amazon S3, Snowflake, Azure.
Ocean.io Integrations
Ocean.io connects with: HubSpot, Pipedrive, Salesforce, Clay.
Shared Integrations
Both tools integrate with: Clay.
Integrations listed only by Coresignal: n8n, Zapier, Databricks, Google Cloud, Amazon S3, Snowflake, Azure.
Integrations listed only by Ocean.io: HubSpot, Pipedrive, Salesforce.
Use Case Recommendations
Best Fit for Coresignal
- Budget-conscious teams looking for an affordable data enrichment tool
- Organizations with complex tech stacks needing broad integration support (8 integrations)
- Teams that want to start free and scale up as needs grow
- Enterprise buyers who prefer custom pricing and dedicated support
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
Feature Comparison Summary
| Feature | Coresignal | Ocean.io |
|---|---|---|
| Starting Price | Free | Usage-based |
| Top Tier Price | Contact Sales | Contact Sales |
| Total Features Listed | 8 | 8 |
| Integrations | 8 | 4 |
Getting Started Checklist
- Define your B2B lead data and contact enrichment requirements and monthly budget
- Estimate your expected data credits or contact lookups 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
Coresignal and Ocean.io both serve the B2B lead data and contact enrichment market. Coresignal 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 Coresignal and Ocean.io for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Coresignal and Ocean.io?
- Coresignal is a B2B web data provider offering company, employee, and job posting records through search and enrichment APIs, an agentic search API, and bulk datasets. Ocean.io is a B2B prospecting and enrichment platform that returns verified emails and direct phone numbers on a shared credit system across its platform and API.
- Which tool is cheaper, Coresignal or Ocean.io?
- They cannot be directly compared on list price because Coresignal publishes a fixed entry price of $0/mo with tiered plans up to $5000/mo, while Ocean.io uses usage-based pricing across yearly, monthly, and pay-as-you-go subscription options.
- Does Coresignal offer a free plan?
- Yes, Coresignal has a free tier that includes 2,000 credits and a 7 day free trial, letting users test the platform before committing financially. Ocean.io does not offer a free tier and instead relies entirely on usage-based pricing.
- What integrations do Coresignal and Ocean.io support?
- Coresignal connects with n8n, Zapier, Clay, Databricks, Google Cloud, Amazon S3, Snowflake, and Azure. Ocean.io connects with HubSpot, Pipedrive, Salesforce, and Clay. The only integration shared by both tools is Clay.
- Who should choose Coresignal over Ocean.io?
- Coresignal fits budget-conscious teams wanting an affordable enrichment tool, organizations with complex tech stacks needing broad integration support across 8 platforms, teams that want to start free and scale, and enterprise buyers who prefer custom pricing with dedicated support.
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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