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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

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Clay logo
Clay
✓ verifiedFreemium

A GTM data and automation platform that enriches records from 200+ providers and runs AI agent workflows for outbound sales.

1.5M visits/mo2.0K saves
46K visits/mo
Zapmail logo
Zapmail
✓ verifiedPaid

Automated email infrastructure service that provisions pre-warmed Google/Microsoft mailboxes for cold outreach campaigns.

132K visits/mo
Omnichat AI logo
Omnichat AI
✓ verifiedPaid

AI-powered social CRM unifying WhatsApp, Instagram, Facebook, LINE and WeChat chats for marketing, sales and support automation.

574K visits/mo
Smartlead logo
Smartlead
✓ verifiedFree trial

A cold-email platform for sales teams offering unlimited mailboxes, automated warm-up, lead verification, and deliverability infrastructure.

1.1M visits/mo
Pricing

No public pricing

Free trial available

Flexible Plans: Contact for Pricing
Starter: $39/month (10 Google mailboxes included, extra at $3.50/mailbox)
Growth: $99/month (30 Google mailboxes included, extra at $3.25/mailbox)
Pro: $299/month (100 Google mailboxes included)

No public pricing

Free trial available

Base: $39/month (2,000 contacts, 6,000 sends, 2,000 verified emails)
Pro: $94/month (30,000 contacts, 90,000 sends, 30,000 verified emails)
Smart: $174/month (150,000 sends, 50,000 verified emails)

Free trial available

Core features
  • Data enrichment waterfall (200+ providers)
  • AI research agents (Claygents)
  • Buying signals and intent tracking
  • Native outbound sequencer
  • CRM enrichment and ad audience sync
  • API/CLI and integrations (Salesforce, MCP)
  • Lead Discovery & Enrichment
  • Personalized Outreach
  • Smart Follow-Ups
  • Objection Handling
  • Context Before Every Call
  • AI Outbound
  • AI Inbound
  • AI Chat
  • AI LinkedIn
  • AI RevOps
  • Automated creation of pre-warmed Google/Microsoft mailboxes
  • Automated DNS setup (SPF, DKIM, DMARC, tracking domains)
  • One domain per workspace for deliverability isolation
  • 50+ integrations with cold-outreach tools
  • AI domain name generator and mailbox naming assistant
  • Placement testing and AI-driven deliverability insights
  • API for programmatic mailbox provisioning
  • Unified inbox for WhatsApp, Messenger, Instagram, LINE and WeChat
  • Omni AI generative campaign and message-flow builder
  • Autonomous AI agents for shopping, sales and support
  • Broadcast messaging and customer-journey automation
  • Sales performance tracking and ROI attribution
  • Integrations with Salesforce, HubSpot, Emarsys and Meta Ads
  • Unlimited mailbox connections with automatic warm-up
  • Dedicated sending infrastructure to protect sender reputation
  • Built-in email verification and 3x-verified lead sourcing
  • Unified inbox to manage replies across the whole pipeline
  • Deliverability monitoring with real-time bounce and spam tracking
  • APIs and automation for scaling outbound campaigns
Use cases
  • Building and enriching prospect lists
  • Automating outbound campaigns
  • Keeping CRM data clean
  • Lead scoring and TAM sourcing
  • Automate sales outreach
  • Lead enrichment
  • Customer engagement
  • Streamline lead generation and outreach for technology services
  • Enhance client relationships in financial services
  • Improve efficiency in healthcare with AI managing inquiries and scheduling
  • Boost satisfaction in retail with AI guiding shoppers and recommending products
  • Sales teams scaling cold email outreach without deliverability issues
  • Agencies managing multiple client outreach domains and mailboxes
  • SaaS and AI SDR products needing headless email infrastructure
  • Teams replacing slow manual mailbox warm-up with instant setup
  • Automate marketing campaigns across messaging channels
  • Convert high-intent chat leads into sales
  • Provide 24/7 AI customer support
  • Track salesperson performance online and offline
  • Running large-scale cold email campaigns across many mailboxes
  • Building and verifying outbound prospect lists
  • Protecting domain reputation while sending high volumes of email
  • Consolidating replies from multiple sequences into one inbox
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