Adapt.io vs SignalHire: Data Enrichment Tool Comparison
Compare Adapt.io and SignalHire side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
Adapt.io offers 250M+ business contacts with 50+ data enrichment attributes and a Prospector Chrome extension, while SignalHire provides real-time verified contacts through browser extensions for LinkedIn, Facebook, and Twitter with unlimited team users. Both start at $0/month with free tiers, then $49/month for paid plans. Adapt.io suits teams needing extensive B2B databases and ABM capabilities, while SignalHire fits recruiters and teams prioritizing social platform integration and team collaboration.
Key takeaways
- Adapt.io provides access to 250 million business contacts and 10 million company profiles with data enrichment covering 50+ attributes.
- SignalHire offers unlimited users on all plans including the free tier, while also providing ATS integrations with Greenhouse and Lever.
- Both platforms start at free tiers and charge $49 per month for entry-level paid plans, with custom enterprise pricing available.
- Adapt.io includes 3,000+ technology sector classifications and API access for automated workflows.
- SignalHire integrates with Gmail and Outlook for direct email workflow integration, which Adapt.io does not offer.
Reviewed and updated February 6, 2026
Adapt.io vs SignalHire: Data Enrichment Tool Comparison
Sales teams evaluating B2B lead data and contact enrichment tools often narrow their shortlist to Adapt.io and SignalHire. Both platforms deliver results, but they cater to different workflows and budgets. This comparison covers pricing, features, and integrations so you can pick the right fit.
The Quick Answer
Adapt.io stands out with 250m+ business contacts and 10m+ company profiles. SignalHire differentiates itself through real-time verified contact data and browser extension for linkedin, facebook, twitter.
Both start at the same price point ($0/mo), so the decision comes down to features and workflow fit.
If your priority is finding accurate contact data for target accounts, both tools can deliver. The right choice depends on your budget, team size, and the specific capabilities you need most.
Understanding the Core Difference
Adapt.io is B2B lead intelligence platform with 250M+ contacts, Prospector Chrome extension, and data enrichment with 50+ attributes.
SignalHire is Real-time verified contact finder with browser extension for LinkedIn, Facebook, and Twitter, plus team collaboration features.
Both platforms offer csv export. Where they diverge is in their approach to pricing tiers and advanced capabilities.
Pricing Comparison
Adapt.io Pricing (as of February 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Free | Free | 25 emails/month, 25 enrichment credits | N/A |
| Starter | $49/mo | 500 email credits/month | N/A |
| Basic | $99/mo | 500 email + 500 enrichment credits/month | N/A |
| Custom | Contact Sales | Custom | N/A |
Source: Adapt.io Pricing
SignalHire Pricing (as of February 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Free | Free | 5 credits/month | N/A |
| Emails | $49/mo | 350 email credits/month | N/A |
| Phone Numbers | $49/mo | 100 phone credits/month | N/A |
| Emails + Phones | $49/mo | 100 combined credits/month | N/A |
| Scale | Contact Sales | Custom | N/A |
Source: SignalHire Pricing
Pricing Analysis
Both platforms start at the same $0/mo price point. The decision comes down to which feature set and tier structure works better for your expected usage.
SignalHire offers 5 pricing tiers compared to Adapt.io's 4, giving you more granularity as you scale.
Both platforms offer free tiers, so you can test each one before spending anything.
Features Breakdown
Adapt.io Key Features
- 250M+ business contacts
- 10M+ company profiles
- Prospector Chrome extension
- Data enrichment with 50+ attributes
- Lead builder with advanced filters
- ABM list building
- 3,000+ tech sector classifications
- Saved searches
- CSV export
- API access
SignalHire Key Features
- Real-time verified contact data
- Browser extension for LinkedIn, Facebook, Twitter
- Unlimited users on all plans
- Team management and collaboration
- CSV export
- ATS and CRM integration
- Bulk search capabilities
- Technology tracking
- Company search
Shared Capabilities
Both Adapt.io and SignalHire include:
- CSV export
Unique to Adapt.io
- 250M+ business contacts
- 10M+ company profiles
- Prospector Chrome extension
- Data enrichment with 50+ attributes
- Lead builder with advanced filters
- ABM list building
- 3,000+ tech sector classifications
- Saved searches
- API access
Unique to SignalHire
- Real-time verified contact data
- Browser extension for LinkedIn, Facebook, Twitter
- Unlimited users on all plans
- Team management and collaboration
- ATS and CRM integration
- Bulk search capabilities
- Technology tracking
- Company search
Integration Ecosystem
Adapt.io Integrations
Adapt.io connects with: Salesforce, HubSpot, Zoho CRM, Marketo, Outreach, Zapier.
SignalHire Integrations
SignalHire connects with: Salesforce, HubSpot, Greenhouse, Lever, Zapier, Gmail, Outlook.
Shared Integrations
Both tools integrate with: Salesforce, HubSpot, Zapier.
Adapt.io exclusively offers: Zoho CRM, Marketo, Outreach.
SignalHire exclusively offers: Greenhouse, Lever, Gmail, Outlook.
Use Case Recommendations
Best Fit for Adapt.io
- Budget-conscious teams looking for an affordable data enrichment tool
- Teams that need a wide feature set (10 capabilities listed)
- Teams that want to start free and scale up as needs grow
- Enterprise buyers who prefer custom pricing and dedicated support
Best Fit for SignalHire
- Budget-conscious teams looking for an affordable data enrichment tool
- 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
| Feature | Adapt.io | SignalHire |
|---|---|---|
| Starting Price | Free | Free |
| Top Tier Price | Contact Sales | Contact Sales |
| Total Features Listed | 10 | 9 |
| Integrations | 6 | 7 |
| Founded | 2016 | 2015 |
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
Adapt.io and SignalHire both serve the B2B lead data and contact enrichment market well. Adapt.io offers a more accessible entry point, while SignalHire starts at $0/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.
Related Reading
- Best Adapt.io Alternatives in 2026
- Best SignalHire Alternatives in 2026
- Adapt.io vs Apollo.io: Data Enrichment Tool Comparison
- Adapt.io vs ZoomInfo: Data Enrichment Tool Comparison
- Apollo.io vs SignalHire: Data Enrichment Tool Comparison
Pricing and features verified as of February 2026. Visit Adapt.io and SignalHire for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Adapt.io and SignalHire?
- Adapt.io is a B2B lead intelligence platform with 250M+ contacts focused on data enrichment with 50+ attributes and ABM list building. SignalHire is a real-time verified contact finder with browser extensions for LinkedIn, Facebook, and Twitter, emphasizing team collaboration with unlimited users on all plans. Adapt.io offers deeper company profiling with 10M+ company records, while SignalHire provides stronger social media integration and ATS connections for recruiting workflows.
- How much do Adapt.io and SignalHire cost?
- Both platforms offer free tiers and start paid plans at $49 per month. Adapt.io's free plan includes 25 emails and 25 enrichment credits monthly, while SignalHire provides 5 credits monthly. Adapt.io's $49 Starter plan offers 500 email credits, and its $99 Basic plan adds 500 enrichment credits. SignalHire's $49 plans vary by credit type: 350 email credits, 100 phone credits, or 100 combined credits. Both offer custom enterprise pricing.
- Which integrations do Adapt.io and SignalHire support?
- Both platforms integrate with Salesforce, HubSpot, and Zapier. Adapt.io exclusively connects with Zoho CRM, Marketo, and Outreach, totaling 6 integrations. SignalHire exclusively offers Greenhouse, Lever, Gmail, and Outlook integrations, totaling 7 integrations. SignalHire's ATS integrations make it better suited for recruiting teams, while Adapt.io's marketing automation connections favor sales and marketing workflows.
- Does SignalHire offer unlimited team members?
- Yes, SignalHire provides unlimited users on all plans including the free tier. This makes it cost-effective for larger teams who need multiple people accessing contact data without per-seat charges. Adapt.io's user limits are not specified in their standard pricing tiers, so teams should confirm user allowances when evaluating plans.
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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