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ListQuay™ vs KX21

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

ListQuay™ compared with KX21
DetailListQuay™ logo ListQuay™KX21 logo KX21
What it doesEmail-checked B2B prospect lists for small agencies and freelancers The Platform People
StageNot given Not given
FoundedNot given Not given
Based inHK US
Pricing modelNot given Not given
PricingFree trial: 15 email-checked leads within 48 hours. Paid packs (one-time): 100-lead pack $129 ($1.29 per lead), 400-lead pack $399 ($1.00 per lead), 1,000-lead pack $499 (about $0.50 per lead). Leads are US-based, excluding CA, OR, TX and VT. Custom quotes available for larger quantities. Kapture: $0.001 per recording, $0.005 per completed form, $15/month for unlimited e-signatures, 2,000 free tokens to start. Komms: $0.08 per minute including phone call, $15/month per phone number, 625 free minutes to start. KontrolX: 50% off current bill, base rate from $2,500/month, no per-lead fe
Key features
  • Email-checked leads with confirmed mail servers
  • Personalisation notes for each lead
  • Written QA report with every order
  • Public business data sourcing
  • 30-day bounce guarantee
  • Delivery within 3 working days
  • Email support only, no sales calls
  • Free 15-lead trial within 48 hours
  • Lead recording and session replay at $0.001 per recording
  • E-signatures with $15/month unlimited access
  • Form building and lead capture with Kapture
  • SIP routing on customer-owned carrier
  • 100+ MCP tools for Claude and AI clients
What makes it different
  • Email verification with bounce guarantee
  • Personalisation notes to help open conversations
  • Written-only support with no sales calls
  • Custom lists built to your target customer, not off-the-shelf
  • Transparent pricing with no vendor markup: phone, storage and data companies bill customers directly
  • 50% savings on lead routing and call tracking compared to current vendors
  • Customer data ownership with no export fees or seat charges
  • Built for AI with 100+ MCP tools for Claude
  • All features available in every plan with usage-based pricing only
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check5 +1 (up) since last check
Trust Flow (Majestic)06
Citation Flow (Majestic)026
Referring domains (Majestic)015

5 details filled in for both companies.

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