SendFlock vs Warmy: Cold Email Platform vs Email Warmup Tool Comparison
Compare SendFlock (cold email platform) and Warmy (email warmup tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Compare SendFlock (cold email platform) and Warmy (email warmup tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Reviewed and updated September 4, 2026
SendFlock vs Warmy: Cold Email Platform vs Email Warmup Tool Comparison
SendFlock is a cold email platform; Warmy is an email warmup tool. Whether you need one, the other, or both depends on which part of the workflow you are buying for: cold email outreach on one side, email domain warming and deliverability on the other. This guide lays out what each vendor publishes.
The Quick Answer
SendFlock is a cold email platform for cold email outreach; Warmy is an email warmup tool for email domain warming and deliverability. By each vendor's own wording, SendFlock lists unlimited mailboxes and unlimited email warm up, and Warmy lists email warm-up and email seed list.
SendFlock publishes an entry price of $29/mo; Warmy uses custom pricing, so the two cannot be compared on list price.
If your priority is sending campaigns that land in the inbox and generate replies, SendFlock is the one built for it; for building sender reputation and improving inbox placement, that is Warmy. Many teams run one of each.
Understanding the Core Difference
SendFlock is Cold email software for agencies and lean lead gen teams that bundles email warmup, automated follow-up sequences, email rotation across unlimited mailboxes, a unified inbox and a simple CRM in one tool.
Warmy is Automated email deliverability tool that warms up domains and IPs with AI-driven automation and a network of business or consumer mailboxes. Adds Google Postmaster integration, seed lists, deliverability insights and email verification in the same platform.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Solo
B2B sender
SendFlock Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Solo | $29/mo | 10,000 prospect limit; unlimited email accounts | 60,000 emails monthly; unlimited email warmup |
| Growth | $49/mo | 30,000 prospect limit; unlimited email accounts | 30,000 emails monthly; unlimited email warmup |
| Scale | $99/mo | 100,000 prospect limit; unlimited email accounts | Card prints both No monthly sending limit and 12,000 emails monthly |
| Custom plan | Contact Sales | More than 30,000 prospects or custom needs | Not published |
Source: SendFlock Pricing
Warmy Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| B2B sender | Contact Sales | Reach Businesses | Volume-based pricing |
| B2C sender | Contact Sales | Reach Consumers | Volume-based pricing |
| Custom plan | Contact Sales | Custom Solution | Volume-based pricing |
Source: Warmy Pricing
Pricing Analysis
One or both platforms use custom or contact-based pricing for some tiers. Reach out to their sales teams for exact quotes based on your usage needs.
SendFlock offers 4 pricing tiers compared to Warmy's 3, giving you more granularity as you scale.
Features Breakdown
- Unlimited Mailboxes
- Unlimited Email Warm Up
- Unified Inbox
- Follow Up Sequences
- A/B Testing
- Email Rotation
- and 4 more listed below
- Email Warm-Up
- Email Seed List
- Deliverability Insights
- Google Postmaster Integration
- Email Verification
- Warmy API
- and 2 more listed below
SendFlock Key Features
- Unlimited Mailboxes
- Unlimited Email Warm Up
- Unified Inbox
- Follow Up Sequences
- A/B Testing
- Email Rotation
- Global Block List
- Workflow Automation
- Bounce detection
- CRM
Warmy Key Features
- Email Warm-Up
- Email Seed List
- Deliverability Insights
- Google Postmaster Integration
- Email Verification
- Warmy API
- Deliverability monitor
- Dedicated deliverability expert
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 SendFlock
- Unlimited Mailboxes
- Unlimited Email Warm Up
- Unified Inbox
- Follow Up Sequences
- A/B Testing
- Email Rotation
- Global Block List
- Workflow Automation
- Bounce detection
- CRM
Listed only by Warmy
- Email Warm-Up
- Email Seed List
- Deliverability Insights
- Google Postmaster Integration
- Email Verification
- Warmy API
- Deliverability monitor
- Dedicated deliverability expert
Integration Ecosystem
SendFlock Integrations
SendFlock connects with: Gmail, Gsuite, Outlook, Zoho, Custom SMTP/IMAP, Zapier.
Warmy Integrations
Warmy connects with: Google Workspace, Microsoft 365, Gmail, Yahoo, Outlook, Google Postmaster.
Shared Integrations
Both tools integrate with: Gmail, Outlook.
Integrations listed only by SendFlock: Gsuite, Zoho, Custom SMTP/IMAP, Zapier.
Integrations listed only by Warmy: Google Workspace, Microsoft 365, Yahoo, Google Postmaster.
Use Case Recommendations
Best Fit for SendFlock
- Budget-conscious teams looking for an affordable cold email platform
- Teams that need a wide feature set (10 capabilities listed)
- Enterprise buyers who prefer custom pricing and dedicated support
Best Fit for Warmy
- Enterprise buyers who prefer custom pricing and dedicated support
- Teams launching new email domains for outreach
- Organizations recovering from deliverability issues
- Agencies managing warmup across multiple client domains
Feature Comparison Summary
| Feature | SendFlock | Warmy |
|---|---|---|
| Starting Price | $29/mo | Contact Sales |
| Top Tier Price | Contact Sales | Contact Sales |
| Total Features Listed | 10 | 8 |
| Integrations | 6 | 6 |
Getting Started Checklist
- Define your cold email outreach and email domain warming and deliverability requirements and monthly budget
- Estimate your expected email sending volume and warmup email 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
SendFlock serves the cold email outreach side of an outbound stack and Warmy the email domain warming and deliverability side. SendFlock publishes an entry price of $29/mo, while Warmy uses custom pricing for its plans, so compare on features and on the quote you receive. 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 SendFlock and Warmy for current information.
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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