Reply.io vs Warmbox
A factual comparison of features, pricing, and capabilities
Last updated: 2/6/2026
AI-powered sales engagement platform with 1B+ B2B contacts, multichannel sequences, and AI SDR capabilities.
Starting at: $49/month
Pricing Comparison
Prices shown are monthly rates. Annual billing may offer discounts. Visit official websites for current pricing.
Feature Comparison
| Feature | Reply.io | Warmbox |
|---|---|---|
| Unlimited email warmup | ||
| 1 billion B2B contacts database | ||
| Anti-spam & deliverability suite | ||
| LinkedIn automation (add-on) | ||
| SMS and calls (add-on) | ||
| AI personalization | ||
| AI SDR capabilities | ||
| Multi-workspace for agencies | ||
| 14-day free trial | ||
| Automated email warmup with AI-powered interactions | ||
| Customizable warmup recipes and strategies | ||
| Spam score monitoring and blacklist checks | ||
| Real-time analytics and reporting dashboard | ||
| DNS checker (SPF, DKIM, DMARC) | ||
| Multi-inbox support within a single account | ||
| Auto-reply, open, and favorite marking simulation | ||
| Team collaboration with per-plan member limits |
Available
Partial/Limited
Not Available
Integrations
Reply.io
HubSpotSalesforcePipedriveCopper CRMZendesk SellCloseZapierMaken8n
Warmbox
GmailGoogle WorkspaceOutlookMicrosoft 365Yahoo MailAmazon SESSMTPZoho Mail
Information on this page is gathered from official sources and may change. Pricing and features were last verified on 2/6/2026. Please visit the official websites for the most current information.