✓ Double
AI that researches, enriches, and verifies emails for your sales leads automatically.
Why we recommend them
Double uses GPT-powered web research to answer custom qualifying questions about prospects at scale, replacing manual Googling. It also aggregates 10+ private data sources to find verified emails and LinkedIn profiles, aimed at sales and marketing teams running outbound campaigns.
✓Bulk AI research: ask custom qualifying questions (e.g. compliance, business model) across thousands of leads at once
✓Verified email and LinkedIn discovery, positioned as more comprehensive than Apollo and RocketReach
✓Offers a demo and short product walkthrough video; no public pricing details provided
What we actually verified
7/10 TrustScore—Money-back guarantee verified
—Free trial available
—Reachable customer service
✓No fine-print return conditions
✓No unrealistic claims detected
Vetted 2026-07-21 · How we vet →
Straight referral — we earn nothing from this link.
Common questions about Double
Is Double legit and safe to buy from?
Yes — Double passed the WhatiseBrokering.com vetting checklist (a real way to reach them, realistic claims only) before being listed. We remove companies that stop meeting the standard.
Can I try Double before committing, or get my money back?
We couldn't verify a published free trial or money-back policy for Double during automated vetting, so check their pricing or returns page before you buy. What we did verify: reachable customer service and realistic claims. If your experience doesn't match, report it below and we'll re-review the listing.
How do I reach Double if something goes wrong?
Double publishes a real customer-service contact (phone or email) — that's a listing requirement. If you can't get a response, tell us at [email protected] and we'll review their listing.
Why is Double listed on WhatiseBrokering.com?
We discovered and vetted Double ourselves. They don't pay us anything — they're listed purely because they meet the standard.
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Had a bad experience with Double?
This directory only works if every listing keeps earning its place. If Double didn't live up to the standard — refused a return, unreachable support, misleading claims, anything — tell us. We'll re-review them against our vetting criteria, and if they're not abiding by our rules, we remove the listing. No exceptions, no pay-to-stay.
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