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lemlist vs KX21

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

lemlist compared with KX21
Detail lemlistKX21 logo KX21
What it doesThe only platform you need for outbound The Platform People
StageEstablished Not given
FoundedNot given Not given
Based inNot given US
Pricing modelFreemium Not given
PricingEmail plan starting at $55/month (50,000 emails), Multichannel plan at $87/month with unlimited emails and multi-channel messaging, Enterprise with custom pricing. All plans include AI agents, lead database access, and deliverability tools. 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
  • 650M+ lead database with AI-powered search and filters
  • Email finder and phone number verifier
  • Multichannel automation across email, LinkedIn, calls, WhatsApp, and SMS
  • Intent signal agents detect buying intent events
  • AI-powered message personalization and data cleaning
  • Unified inbox for all conversations
  • Deliverability Hub and lemwarm warm-up service
  • lemAgent for automated lead sourcing and sequence building
  • CRM integrations with Salesforce, HubSpot, and others
  • AI voice note generation and call integration
  • 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
  • All-in-one platform combining lead generation, enrichment, and multichannel outreach in one tool
  • AI agents automate entire campaign creation from lead sourcing to personalized messaging
  • Built-in deliverability protection and lemwarm warm-up included in all plans
  • Real-time buying intent detection with signal agents
  • SOC 2 certified with enterprise-grade security
  • 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)78 no change since last check5 +1 (up) since last check
Trust Flow (Majestic)346
Citation Flow (Majestic)5226
Referring domains (Majestic)693915

4 details filled in for both companies.

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