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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.

SendBridge logo
SendBridge
✓ verifiedFreemium

AI-assisted bulk email verification that flags invalid, risky, and spam-trap addresses to protect sender reputation and deliverability.

36K visits/mo
Mailchimp logo
Mailchimp
✓ verifiedFreemium

All-in-one email and SMS marketing platform with automations, templates, audience tools, and analytics, aimed at SMBs and ecommerce.

10M 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
Free: $0/mo (100 credits/month)
5,000 credits: $9 one-time ($0.0018/email)
25,000 credits: $29 one-time ($0.0012/email)
100,000 credits: $79 one-time ($0.0008/email)

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
  • Bulk email list upload and cleaning via dashboard
  • Real-time verification API with SDKs for Go, Java, PHP, Python, .NET
  • Deliverability categorization (deliverable/undeliverable/risky/unknown)
  • Free deliverability score tool with SPF/DKIM/DMARC and blacklist checks
  • Pay-as-you-go credits that never expire
  • Downloadable cleaned lists in XLSX/CSV/TXT
  • Email campaign creation and templates
  • SMS marketing
  • Marketing automations and customer journeys
  • AI-assisted content creation tools
  • Audience management and segmentation
  • Reporting and analytics
  • 300+ integrations
  • 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
  • Email marketers cleaning lists before a campaign
  • Cold-email senders protecting domain/sender reputation
  • Developers integrating real-time verification at signup
  • Teams diagnosing why emails land in spam via the free mail tester
  • Sending newsletters and promotions
  • Automating ecommerce marketing flows
  • Managing and segmenting subscriber audiences
  • Generating and qualifying leads
  • 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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