EmailWarmup.com vs Reply.io: Email Warmup Tool vs Cold Email Platform Comparison
Compare EmailWarmup.com (email warmup tool) and Reply.io (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
EmailWarmup.com is an email warmup tool focused on deliverability and sender reputation, priced from $29/mo, while Reply.io is a cold email and sales engagement platform priced from $59/mo with a 1 billion contact database and multichannel outreach. They serve different jobs: warmup versus campaign sending, and many teams use both together.
Key takeaways
- EmailWarmup.com's entry plan is $29/mo (Pro), while Reply.io's entry plan is $59/mo (Email Volume).
- Reply.io offers four pricing tiers (Email Volume, Multichannel, Agency Core, AI SDR Starter) compared to EmailWarmup.com's two (Pro, Enterprise).
- Reply.io's Email Volume plan includes 1,000 active contacts and unlimited emails, while its AI SDR Starter plan costs $800/mo.
- EmailWarmup.com lists features such as Personalized Warmup, Multiple ESP Warmup, and a Warmup API, while Reply.io lists a 1 billion B2B contacts database and AI SDR capabilities.
- Salesforce is the only integration listed by both EmailWarmup.com and Reply.io.
Reviewed and updated September 2, 2026
EmailWarmup.com vs Reply.io: Email Warmup Tool vs Cold Email Platform Comparison
EmailWarmup.com (email warmup tool) and Reply.io (cold email platform) sit next to each other in many outbound stacks. They are not substitutes for each other on every job, so this comparison covers pricing, features, and integrations for each and points out where the two meet.
The Quick Answer
EmailWarmup.com is an email warmup tool for email domain warming and deliverability; Reply.io is a cold email platform for cold email outreach. By each vendor's own wording, EmailWarmup.com lists personalized warmup and multiple esp warmup (google, outlook, etc.), and Reply.io lists unlimited email warmup and 1 billion b2b contacts database.
EmailWarmup.com offers a lower entry point at $29/mo compared to Reply.io at $59/mo.
If your priority is building sender reputation and improving inbox placement, EmailWarmup.com is the one built for it; for sending campaigns that land in the inbox and generate replies, that is Reply.io. Many teams run one of each.
Understanding the Core Difference
EmailWarmup.com is Email deliverability platform whose core product is personalized email warmup, matching your industry and mirroring your copy while warming professional-to-professional and personal-to-personal mailboxes. It adds unlimited email spam tests, a dedicated deliverability consultant, mailbox provisioning with 24/7 replacement, and a warmup API.
Reply.io is AI-powered sales engagement platform with 1B+ B2B contacts, multichannel sequences, and AI SDR capabilities.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Pro
Email Volume
EmailWarmup.com Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Pro | $29/mo | Per mailbox; For Individuals + Businesses. | Not published; warmup volume is not stated as a per-day figure |
| Enterprise | Contact Sales | For Individuals + Businesses. | Personalized Warmup at Higher Volume |
Source: EmailWarmup.com Pricing
Reply.io Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Email Volume | $59/mo | 1,000 active contacts | Unlimited |
| Multichannel | $99/mo | Unlimited active contacts | Unlimited emails; 10 mailboxes |
| Agency Core | $210/mo | Unlimited clients & users | Unlimited mailboxes |
| AI SDR Starter | $800/mo | 1,000 active contacts | Unlimited mailboxes & warm-ups |
Source: Reply.io Pricing
Pricing Analysis
EmailWarmup.com is more affordable at the entry level ($29/mo vs $59/mo). For teams with tight budgets or those just getting started with email domain warming and deliverability and cold email outreach, this price difference matters.
Reply.io offers 4 pricing tiers compared to EmailWarmup.com's 2, giving you more granularity as you scale.
Features Breakdown
- Personalized Warmup
- Multiple ESP Warmup (Google, Outlook, etc.)
- Select Warmup Language
- Deliverability Test
- Google Postmaster Integration
- API Access
- and 2 more listed below
- Unlimited email warmup
- 1 billion B2B contacts database
- Anti-spam & deliverability suite
- LinkedIn automation (add-on)
- SMS and calls (add-on)
- AI personalization
- and 3 more listed below
EmailWarmup.com Key Features
- Personalized Warmup
- Multiple ESP Warmup (Google, Outlook, etc.)
- Select Warmup Language
- Deliverability Test
- Google Postmaster Integration
- API Access
- Seed List Warmup
- Deliverability Consultation
Reply.io Key Features
- 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
The two lists below are a diff of each vendor's own feature list by exact wording, so a capability both tools offer can appear on either side under a different name.
Listed only by EmailWarmup.com
- Personalized Warmup
- Multiple ESP Warmup (Google, Outlook, etc.)
- Select Warmup Language
- Deliverability Test
- Google Postmaster Integration
- API Access
- Seed List Warmup
- Deliverability Consultation
Listed only by Reply.io
- 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
Integration Ecosystem
EmailWarmup.com Integrations
EmailWarmup.com connects with: Google, Outlook, Office, SendGrid, Mailchimp, Klaviyo, Shopify, Salesforce.
Reply.io Integrations
Reply.io connects with: HubSpot, Salesforce, Pipedrive, Copper CRM, Zendesk Sell, Close, Zapier, Make, n8n.
Shared Integrations
Both tools integrate with: Salesforce.
Integrations listed only by EmailWarmup.com: Google, Outlook, Office, SendGrid, Mailchimp, Klaviyo, Shopify.
Integrations listed only by Reply.io: HubSpot, Pipedrive, Copper CRM, Zendesk Sell, Close, Zapier, Make, n8n.
Use Case Recommendations
Best Fit for EmailWarmup.com
- Budget-conscious teams looking for an affordable email warmup tool
- Enterprise buyers who prefer custom pricing and dedicated support
- Teams launching new email domains for outreach
- Organizations recovering from deliverability issues
Best Fit for Reply.io
- Teams that need a wide feature set (9 capabilities listed)
- Organizations with complex tech stacks needing broad integration support (9 integrations)
- Sales teams running high-volume outbound email campaigns
- Agencies managing multiple client outreach programs
Feature Comparison Summary
| Feature | EmailWarmup.com | Reply.io |
|---|---|---|
| Starting Price | $29/mo | $59/mo |
| Top Tier Price | Contact Sales | $800/mo |
| Total Features Listed | 8 | 9 |
| Integrations | 8 | 9 |
Getting Started Checklist
- Define your email domain warming and deliverability and cold email outreach requirements and monthly budget
- Estimate your expected warmup email volume and email sending volume to find the right tier
- List the integrations your team currently relies on
- Sign up for free trials or demos of both platforms
- Run a small test with each tool before making a commitment
- Evaluate the onboarding experience and support quality
Final Thoughts
EmailWarmup.com serves the email domain warming and deliverability side of an outbound stack and Reply.io the cold email outreach side. EmailWarmup.com offers a more accessible entry point at $29/mo, while Reply.io starts at $59/mo. Your decision should weigh pricing against the specific features that matter most for your workflow.
Start with a trial of each to see which platform fits your team's daily process. The best tool is the one your team actually uses consistently.
Pricing and features verified as of September 2026. Visit EmailWarmup.com and Reply.io for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between EmailWarmup.com and Reply.io?
- EmailWarmup.com is an email warmup tool built for domain warming and deliverability, while Reply.io is a cold email and sales engagement platform built for sending outreach campaigns. EmailWarmup.com focuses on building sender reputation and inbox placement, whereas Reply.io focuses on sending campaigns that generate replies.
- Which tool is cheaper, EmailWarmup.com or Reply.io?
- EmailWarmup.com is cheaper at the entry level, starting at $29/mo, compared to Reply.io's entry plan at $59/mo. EmailWarmup.com has two pricing tiers (Pro and Enterprise), while Reply.io has four tiers ranging up to $800/mo for its AI SDR Starter plan.
- Do EmailWarmup.com and Reply.io integrate with the same tools?
- They share only one listed integration: Salesforce. EmailWarmup.com also connects with Google, Outlook, Office, SendGrid, Mailchimp, Klaviyo, and Shopify, while Reply.io connects with HubSpot, Pipedrive, Copper CRM, Zendesk Sell, Close, Zapier, Make, and n8n.
- Can I use both EmailWarmup.com and Reply.io together?
- Yes, the article notes that many teams run one of each since the tools solve different problems. EmailWarmup.com handles sender reputation and deliverability, while Reply.io handles the actual outreach campaigns, so they can complement each other in an outbound stack.
- Who is EmailWarmup.com best suited for?
- EmailWarmup.com is best suited for budget-conscious teams seeking an affordable warmup tool, enterprise buyers who want custom pricing and dedicated support, and organizations launching new email domains for outreach.
About the author.
Tim Carden is CMO / CTO at RevenueFlow, which builds and operates outbound revenue engines for B2B companies. Studied at McGill University.
Tim Carden · CMO / CTO
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