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Overloop

450M+ B2B contact database with AI-personalized email plus LinkedIn automation – CASA Tier 2 certified, campaigns require team review before launch.

3.9 Sales & Revenue AI
3.9 Good 3.9

Bottom line: Overloop is a capable sales & revenue ai tool, best known for 450M+ B2B contact database with segmentation. Paid from $69/mo.

Built-in compliance and deliverability controls, not just raw send volume AI-generated cold email is still increasingly recognizable to recipients
Reviewed by Challenging Voice Editorial · Updated Aug 2026 How we rate
PricingFrom $69/mo
Free planNo
CompanyOverloop SRL
PlatformsAPI, Web
Best forSales & Revenue AI
Visits1
Last reviewedAug 2026
UpdatedAug 2026
Ask AI about Overloop ChatGPT Claude Perplexity

Overview

Overloop is a sales engagement and prospecting platform combining a 450 million-plus B2B contact database with AI-generated, individually personalized outreach emails (“written from scratch” per contact rather than templated), multi-channel campaigns spanning email and LinkedIn, email verification and deliverability controls, and direct CRM integration with HubSpot, Salesforce and Pipedrive.

What separates this from a spray-and-pray cold-email tool is the deliberate friction built into the product: CASA Tier 2 certification for handling sensitive data, verification and warm-up controls specifically aimed at deliverability rather than raw volume, and a stated requirement that campaigns go through team review before launch rather than firing automatically. Real recognized clients (AP, Intercom, HubSpot, Shopify) and 500-plus G2 testimonials back that this is an established, accountable platform rather than an anonymous outreach mill.

AI-personalized email at scale is still automated outreach, and recipients increasingly recognize AI-generated cold emails regardless of personalization quality – response rates depend on genuine targeting quality, not just volume. Pricing starts at $69/user/month with credit-capped campaigns, worth modeling against real outreach volume before committing to a tier.

Key features

  • 450M+ B2B contact database with segmentation
  • AI-personalized email generation, written per contact
  • Multi-channel campaigns: email and LinkedIn together
  • Email verification, warm-up and deliverability controls
  • CASA Tier 2 certified, mandatory team review before campaign launch

Screenshots & demo

Overloop screenshot 1

Pricing

Overloop is a paid tool, with plans that start at $69/mo.

  • Pricing modelFree Trial
  • Starting priceFrom $69/mo
  • Free planNo
Visit Overloop

Pricing is provided as a guide. Check the official site for the latest plans.

Is Overloop expensive?

Overloop starts at $69, which is 29% below the Sales & Revenue AI median of $97 a month across the 37 priced tools we list in that category.

The cheapest paid option in Sales & Revenue AI starts at $9 and the most expensive at $39,750.

17% of Sales & Revenue AI tools in the directory offer a free tier, which this one does not.

Compared against every priced listing in Sales & Revenue AI, recalculated as the catalogue changes. Method and the full market breakdown are in our AI tool pricing study.

Pros & cons

Pros

  • Built-in compliance and deliverability controls, not just raw send volume
  • Mandatory review step before campaigns launch
  • Recognized enterprise clients and substantial G2 track record

Cons

  • AI-generated cold email is still increasingly recognizable to recipients
  • $69/user/month minimum is a real cost for small teams
  • Effectiveness still depends on targeting quality, not just personalization

How it compares

ToolRatingFreeFromBest known for
Overloop (this tool)3.9No$69/mo450M+ B2B contact database with segmentation
Clay4.5Yes$167/moData enrichment waterfalling across 50+ external providers
Apollo.io4.5Yes$49/moDatabase of 230M+ contacts and 30M+ companies
Gong4.4No$1,300/moRecords and transcribes calls, video meetings, and email threads automatically

Our verdict

3.9 / 5 3.9

Overloop is a solid sales & revenue ai tool, best known for 450M+ B2B contact database with segmentation. Paid plans start at $69/mo.

What makes it different: Overloop stands out for 450M+ B2B contact database with segmentation.

How we score it
Overall 3.9
Value for money 3.5
Feature depth 4.9
Popularity 3.7
Best for ProfessionalsTeamsCreatorsCurious learners

Frequently asked questions

What is Overloop?
Overloop is a sales & revenue ai tool listed in the Challenging Voice directory. 450M+ B2B contact database with AI-personalized email plus LinkedIn automation – CASA Tier 2 certified, campaigns require team review before launch.
Is Overloop free?
Overloop does not offer a free plan; paid pricing starts at $69 per month.
How much does Overloop cost?
Overloop starts at $69 per month. See the pricing plans above for full details.
What are the best Overloop alternatives?
Popular alternatives to Overloop include Yesware, PreCallIQ, and Nonverbia. Browse them all in the Sales & Revenue AI category.
Is Overloop any good?
Overloop scores 3.9 out of 5 based on our editorial review.

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