Overloop AI vs Tomba: Sales Engagement Platform vs Data Enrichment Tool Comparison
Compare Overloop AI (sales engagement platform) and Tomba (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 and engagement tracking, starting at $69/mo with a 450M+ prospects database and AI-powered campaigns. Tomba is a data enrichment tool for B2B contact finding and email verification, starting free. Teams needing outreach choose Overloop AI; teams needing contact data choose Tomba, and many use both.
Key takeaways
- Overloop AI's Starter plan costs $69/mo and includes 250 credits per user per month, 1 email account per user, and 3 campaigns.
- Tomba's Free plan offers 75 free searches per month with no credit card required.
- Tomba's Growth plan costs $89/mo and provides 10,000 total credits per month, split between 5,000 finder and search credits and 5,000 free verification credits.
- Overloop AI lists 10 features including AI-powered campaigns and a 450M+ prospects database, while Tomba lists 8 features including native email validation and company data enrichment.
- Both platforms integrate with HubSpot, Pipedrive, and Zapier, while Overloop AI adds Salesforce and Slack and Tomba adds Make, n8n, and Airtable.
Reviewed and updated September 4, 2026
Overloop AI vs Tomba: Sales Engagement Platform vs Data Enrichment Tool Comparison
Overloop AI is a sales engagement platform; Tomba is a data enrichment tool. Whether you need one, the other, or both depends on which part of the workflow you are buying for: multi-channel sales outreach and engagement tracking on one side, B2B lead data and contact enrichment on the other. This guide lays out what each vendor publishes.
The Quick Answer
Overloop AI is a sales engagement platform for multi-channel sales outreach and engagement tracking; Tomba 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 Tomba lists native & exclusive email validation and advanced catch-all verification.
Tomba 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 Tomba. 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.
Tomba is Email finder and verifier with domain search, LinkedIn and author email lookup, phone finding, company enrichment and bulk processing, charged per valid result.
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
Tomba Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Free | Free | 75 free searches per month, no credit card required |
| Growth | $89/mo | 10,000 total credits per month (5,000 finder and search plus 5,000 free verification) at the entry step of a 5,000 to 2,000,000 credit selector |
| Pay as you go | Usage-based | Credits valid for 12 months |
| Enterprise | Contact Sales | Custom data source onboarding, named account manager, custom SLA |
Source: Tomba Pricing
Pricing Analysis
Tomba offers the lower entry point ($0/mo vs $69/mo). Teams watching their budget will appreciate the savings, especially when starting out.
Tomba offers 4 pricing tiers compared to Overloop AI's 3, giving you more granularity as you scale.
Tomba 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
- Native & Exclusive Email Validation
- Advanced Catch-All Verification
- Company Name to Domain Matching
- Company Data Enrichment
- Real-time API
- Browser Extensions
- and 2 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
Tomba Key Features
- Native & Exclusive Email Validation
- Advanced Catch-All Verification
- Company Name to Domain Matching
- Company Data Enrichment
- Real-time API
- Browser Extensions
- Spreadsheet Add-ons
- Official SDKs
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 Tomba
- Native & Exclusive Email Validation
- Advanced Catch-All Verification
- Company Name to Domain Matching
- Company Data Enrichment
- Real-time API
- Browser Extensions
- Spreadsheet Add-ons
- Official SDKs
Integration Ecosystem
Overloop AI Integrations
Overloop AI connects with: HubSpot, Salesforce, Pipedrive, Zapier, Slack, Calendly, Gmail, Outlook.
Tomba Integrations
Tomba connects with: Hubspot, Pipedrive, Zapier, Make, n8n, Airtable, Mailchimp, Claude, Apify, Maltego.
Shared Integrations
Both tools integrate with: HubSpot, Pipedrive, Zapier.
Integrations listed only by Overloop AI: Salesforce, Slack, Calendly, Gmail, Outlook.
Integrations listed only by Tomba: Make, n8n, Airtable, Mailchimp, Claude, Apify, Maltego.
Use Case Recommendations
Best Fit for Overloop AI
- Teams that need a wide feature set (10 capabilities listed)
- Enterprise buyers who prefer custom pricing and dedicated support
- SDR teams running multi-channel outreach sequences
- Sales managers tracking team engagement metrics
Best Fit for Tomba
- Budget-conscious teams looking for an affordable data enrichment tool
- Organizations with complex tech stacks needing broad integration support (10 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 | Overloop AI | Tomba |
|---|---|---|
| Starting Price | $69/mo | Free |
| Top Tier Price | Contact Sales | Contact Sales |
| Total Features Listed | 10 | 8 |
| Integrations | 8 | 10 |
| Founded | 2015 | N/A |
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 Tomba the B2B lead data and contact enrichment side. Tomba 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 Tomba for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Overloop AI and Tomba?
- Overloop AI is a sales engagement platform for multi-channel outreach and engagement tracking, while Tomba is a data enrichment tool for B2B lead data and contact enrichment. Overloop AI focuses on running campaigns across email and social channels, while Tomba focuses on finding and verifying contact data.
- How much do Overloop AI and Tomba cost?
- Overloop AI's Starter plan costs $69/mo, with a Growth plan at $99/mo and an Enterprise tier available on request. Tomba offers a Free plan at $0/mo with 75 searches monthly, a Growth plan at $89/mo with 10,000 credits, a pay as you go option, and a custom Enterprise plan.
- Which tool has more pricing tiers?
- Tomba offers 4 pricing tiers compared to Overloop AI's 3 tiers. This gives Tomba buyers more granularity as they scale their usage, according to the pricing analysis.
- Do Overloop AI and Tomba integrate with the same tools?
- Both tools share integrations with HubSpot, Pipedrive, and Zapier. Beyond that, Overloop AI adds Salesforce, Slack, Calendly, Gmail, and Outlook, while Tomba adds Make, n8n, Airtable, Mailchimp, Claude, Apify, and Maltego.
- Can I use both Overloop AI and Tomba together?
- Yes, the article notes that many teams run one of each. Overloop AI handles multi-channel outreach and engagement tracking while Tomba supplies verified contact data, so pairing them covers both sides of the prospecting and outreach workflow.
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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