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.
Overloop AI is a sales engagement platform built for multi-channel outreach campaigns, priced from $69/mo with a 450M+ prospect database. SignalHire is a data enrichment tool focused on verified contact finding, offering a free tier and paid plans at $69/mo. They solve different problems, so many teams use both together rather than choosing one.
Key takeaways
- Overloop AI's Starter plan costs $69/mo and includes 250 credits per user, 1 email account per user, and 3 campaigns.
- SignalHire offers a free plan with 5 or 10 credits, plus paid plans at $69/mo for 1000 email credits or 435 phone credits.
- Overloop AI lists 10 features including AI-powered campaigns, a 450M+ prospects database, and email warmup, none of which appear on SignalHire's list.
- SignalHire lists 9 features including real-time verified contact data, unlimited users on all plans, and ATS and CRM integration, none of which appear on Overloop AI's list.
- Both tools share integrations with HubSpot, Salesforce, Zapier, Gmail, and Outlook, while Overloop AI adds Pipedrive, Slack, and Calendly, and SignalHire adds Greenhouse and Lever.
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.
Frequently asked questions.
Frequently asked questions- What is the main difference between Overloop AI and SignalHire?
- Overloop AI is a sales engagement platform for running multi-channel outreach campaigns and tracking engagement, while SignalHire is a data enrichment tool for finding and verifying B2B contact information. Overloop AI focuses on campaign execution across email and social channels, whereas SignalHire focuses on locating accurate contact data through its browser extension and search tools.
- Which tool is cheaper, Overloop AI or SignalHire?
- SignalHire has the lower entry point with a free plan at $0/mo, compared to Overloop AI's Starter plan at $69/mo. SignalHire's paid tiers, such as the Emails plan with 1000 credits, are also priced at $69/mo, matching Overloop AI's Starter cost but offering a free tier for evaluation first.
- Can I use Overloop AI and SignalHire together?
- Yes, the article notes that many teams run one of each since the tools serve different purposes. Overloop AI handles multi-channel outreach and campaign tracking, while SignalHire supplies verified contact data, so they can complement each other in an outbound stack.
- Does Overloop AI or SignalHire have more integrations?
- Overloop AI lists 8 integrations including HubSpot, Salesforce, Pipedrive, Zapier, Slack, Calendly, Gmail, and Outlook, while SignalHire lists 7 including Salesforce, HubSpot, Greenhouse, Lever, Zapier, Gmail, and Outlook. Both tools share HubSpot, Salesforce, Zapier, Gmail, and Outlook as common integrations.
- Who should choose SignalHire over Overloop AI?
- Budget-conscious teams looking for an affordable data enrichment tool are best suited to SignalHire, according to the article's use case recommendations. Its free tier and lower-cost credit-based plans make it attractive for teams that primarily need contact data rather than full outreach campaign management.
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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