Overloop AI vs SignalHire: Sales Engagement Platform vs Data Enrichment Tool Comparison
Compare Overloop AI (sales engagement platform) and SignalHire (data enrichment tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Compare Overloop AI (sales engagement platform) and SignalHire (data enrichment tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Reviewed and updated September 2, 2026
Overloop AI vs SignalHire: Sales Engagement Platform vs Data Enrichment Tool Comparison
Overloop AI (sales engagement platform) and SignalHire (data enrichment tool) sit next to each other in many outbound stacks. They are not substitutes for each other on every job, so this comparison covers pricing, features, and integrations for each and points out where the two meet.
The Quick Answer
Overloop AI is a sales engagement platform for multi-channel sales outreach and engagement tracking; SignalHire is a data enrichment tool for B2B lead data and contact enrichment. By each vendor's own wording, Overloop AI lists ai-powered campaigns and 450m+ prospects database, and SignalHire lists real-time verified contact data and browser extension for linkedin, facebook, twitter.
SignalHire offers a lower entry point at $0/mo compared to Overloop AI at $69/mo.
If your priority is coordinating outreach across email, phone, and social channels, Overloop AI is the one built for it; for finding accurate contact data for target accounts, that is SignalHire. Many teams run one of each.
Understanding the Core Difference
Overloop AI is Sales prospecting platform that finds verified B2B contacts and runs personalized email and social outreach campaigns. Includes a 450M+ B2B contact database, an email finder and verifier, and AI-written campaigns and follow-ups.
SignalHire is Real-time verified contact finder with browser extension for LinkedIn, Facebook, and Twitter, plus team collaboration features.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Starter
Free
Overloop AI Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Starter | $69/mo | 250 credits per month per user | 1 email account per user; 3 campaigns |
| Growth | $99/mo | 500 credits per month per user | 3 email accounts per user; 10 campaigns |
| Enterprise | Contact Sales | 1,000 credits per month per user | Unlimited email accounts; Unlimited campaigns |
Source: Overloop AI Pricing
SignalHire Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Free | Free | 5 or 10* credits | - |
| Emails (1000 credits, billed monthly) | $69/mo | 1000 credits | 1000 credits |
| Phones (435 credits, billed monthly) | $69/mo | 435 credits | - |
Source: SignalHire Pricing
Pricing Analysis
SignalHire offers the lower entry point ($0/mo vs $69/mo). Teams watching their budget will appreciate the savings, especially when starting out.
SignalHire includes a free tier, which is helpful for evaluating the platform without upfront cost.
Features Breakdown
- AI-powered campaigns
- 450M+ prospects database
- Verified Email Addresses
- Smart multichannel campaigns (Email + social)
- AI-powered Outreach Followups
- Email Finder & Verifier
- and 4 more listed below
- 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
- and 3 more listed below
Overloop AI Key Features
- AI-powered campaigns
- 450M+ prospects database
- Verified Email Addresses
- Smart multichannel campaigns (Email + social)
- AI-powered Outreach Followups
- Email Finder & Verifier
- Chrome Extension for LinkedIn
- Conversations Inbox
- Email Warmup
- REST API
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
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 Overloop AI
- AI-powered campaigns
- 450M+ prospects database
- Verified Email Addresses
- Smart multichannel campaigns (Email + social)
- AI-powered Outreach Followups
- Email Finder & Verifier
- Chrome Extension for LinkedIn
- Conversations Inbox
- Email Warmup
- REST API
Listed only by SignalHire
- 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
Integration Ecosystem
Overloop AI Integrations
Overloop AI connects with: HubSpot, Salesforce, Pipedrive, Zapier, Slack, Calendly, Gmail, Outlook.
SignalHire Integrations
SignalHire connects with: Salesforce, HubSpot, Greenhouse, Lever, Zapier, Gmail, Outlook.
Shared Integrations
Both tools integrate with: HubSpot, Salesforce, Zapier, Gmail, Outlook.
Integrations listed only by Overloop AI: Pipedrive, Slack, Calendly.
Integrations listed only by SignalHire: Greenhouse, Lever.
Use Case Recommendations
Best Fit for Overloop AI
- Teams that need a wide feature set (10 capabilities listed)
- Organizations with complex tech stacks needing broad integration support (8 integrations)
- Enterprise buyers who prefer custom pricing and dedicated support
Best Fit for SignalHire
- Budget-conscious teams looking for an affordable data enrichment tool
- Teams that want to start free and scale up as needs grow
- Revenue operations teams building targeted prospect lists
- Marketing teams enriching CRM data for segmentation
Feature Comparison Summary
| Feature | Overloop AI | SignalHire |
|---|---|---|
| Starting Price | $69/mo | Free |
| Top Tier Price | Contact Sales | $69/mo |
| Total Features Listed | 10 | 9 |
| Integrations | 8 | 7 |
| Founded | 2015 | 2015 |
Getting Started Checklist
- Define your multi-channel sales outreach and engagement tracking and B2B lead data and contact enrichment requirements and monthly budget
- Estimate your expected sequences and engagement actions and 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
Overloop AI serves the multi-channel sales outreach and engagement tracking side of an outbound stack and SignalHire the B2B lead data and contact enrichment side. SignalHire offers a more accessible entry point, while Overloop AI starts at $69/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.
Pricing and features verified as of September 2026. Visit Overloop AI and SignalHire for current information.
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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