Success.ai vs Warmy: Cold Email Platform vs Email Warmup Tool Comparison
Compare Success.ai (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.
Success.ai is a cold email platform for outbound outreach with entry pricing at $49/mo, while Warmy is an email warmup tool for domain warming and deliverability with custom pricing only. They serve different parts of the outbound workflow, sending campaigns versus protecting sender reputation, and many teams run both together rather than choosing one over the other.
Key takeaways
- Success.ai's Lite plan starts at $49/mo and includes 5K emails per month with warm-up on 10 accounts.
- Success.ai offers four pricing tiers (Lite, Starter, Pro, Enterprise), while Warmy offers three tiers (B2B sender, B2C sender, Custom plan), all under contact-based pricing.
- Success.ai's database is listed as 700M+ contacts with unlimited look-ups.
- Warmy integrates with Google Workspace, Microsoft 365, Gmail, Yahoo, Outlook, and Google Postmaster, while Success.ai integrates with Zapier, HubSpot, Salesforce, Pipedrive, and Slack.
- Warmy lists a dedicated deliverability expert and deliverability monitor as features not listed by Success.ai.
Reviewed and updated September 2, 2026
Success.ai vs Warmy: Cold Email Platform vs Email Warmup Tool Comparison
Sales teams building an outbound stack often weigh Success.ai, a cold email platform for cold email outreach, against Warmy, an email warmup tool for email domain warming and deliverability. They cover different parts of the workflow, so this comparison covers what each one does, what each one costs, and where they overlap.
The Quick Answer
Success.ai 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, Success.ai lists ai sales & reply operators and 700m+ database with unlimited look-ups, and Warmy lists email warm-up and email seed list.
Success.ai publishes an entry price of $49/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, Success.ai 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
Success.ai is Cold email outreach platform with unlimited email sending accounts, unlimited warmup, a unified inbox and a 700M+ contact B2B database. AI operators write campaigns and draft replies, and a token balance meters data reveals, enrichment and AI actions.
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
Lite
B2B sender
Success.ai Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Lite | $49/mo | 2,000 tokens /mo for reveals, enrichment & AI; 700M+ database with unlimited look-ups | 5K emails /mo with warm-up on 10 accounts |
| Starter | $99/mo | 6,000 tokens /mo for reveals, enrichment & AI; 700M+ database with unlimited look-ups | 50K emails /mo with unlimited warm-up |
| Pro | $199/mo | 10,000 tokens /mo + advanced search filters | 150K emails /mo + advanced deliverability |
| Enterprise | Contact Sales | Custom tokens & unlimited email sending | Custom tokens & unlimited email sending |
Source: Success.ai 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.
Success.ai offers 4 pricing tiers compared to Warmy's 3, giving you more granularity as you scale.
Features Breakdown
- AI Sales & Reply Operators
- 700M+ database with unlimited look-ups
- Unified InboxHub
- Data enrichment & email verification built in
- unlimited warm-up
- advanced search filters
- and 3 more listed below
- Email Warm-Up
- Email Seed List
- Deliverability Insights
- Google Postmaster Integration
- Email Verification
- Warmy API
- and 2 more listed below
Success.ai Key Features
- AI Sales & Reply Operators
- 700M+ database with unlimited look-ups
- Unified InboxHub
- Data enrichment & email verification built in
- unlimited warm-up
- advanced search filters
- advanced deliverability
- Website Visitor identification
- 5 deal pipelines
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 Success.ai
- AI Sales & Reply Operators
- 700M+ database with unlimited look-ups
- Unified InboxHub
- Data enrichment & email verification built in
- unlimited warm-up
- advanced search filters
- advanced deliverability
- Website Visitor identification
- 5 deal pipelines
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
Success.ai Integrations
Success.ai connects with: Zapier, HubSpot, Salesforce, Pipedrive, Slack.
Warmy Integrations
Warmy connects with: Google Workspace, Microsoft 365, Gmail, Yahoo, Outlook, Google Postmaster.
Integrations listed only by Success.ai: Zapier, HubSpot, Salesforce, Pipedrive, Slack.
Integrations listed only by Warmy: Google Workspace, Microsoft 365, Gmail, Yahoo, Outlook, Google Postmaster.
Use Case Recommendations
Best Fit for Success.ai
- Budget-conscious teams looking for an affordable cold email platform
- Teams that need a wide feature set (9 capabilities listed)
- Enterprise buyers who prefer custom pricing and dedicated support
Best Fit for Warmy
- Organizations with complex tech stacks needing broad integration support (6 integrations)
- Enterprise buyers who prefer custom pricing and dedicated support
- Teams launching new email domains for outreach
- Organizations recovering from deliverability issues
Feature Comparison Summary
| Feature | Success.ai | Warmy |
|---|---|---|
| Starting Price | $49/mo | Contact Sales |
| Top Tier Price | Contact Sales | Contact Sales |
| Total Features Listed | 9 | 8 |
| Integrations | 5 | 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
Success.ai serves the cold email outreach side of an outbound stack and Warmy the email domain warming and deliverability side. Success.ai publishes an entry price of $49/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 Success.ai and Warmy for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Success.ai and Warmy?
- Success.ai is a cold email platform built for sending outbound campaigns, with a 700M+ contact database and AI sales and reply operators. Warmy is an email warmup tool focused on domain warming and deliverability, offering seed lists, Google Postmaster integration, and deliverability insights. They address different stages of the outbound workflow.
- How much does Success.ai cost compared to Warmy?
- Success.ai publishes an entry price of $49/mo for its Lite plan, scaling up through Starter at $99/mo and Pro at $199/mo, with Enterprise available on custom pricing. Warmy uses custom, contact-based pricing across all three of its plans, so the two cannot be compared directly on list price.
- Can I use both Success.ai and Warmy together?
- Yes, many teams run both tools together since they serve different needs. Success.ai handles sending campaigns and generating replies through its cold email platform, while Warmy focuses on building sender reputation and improving inbox placement, so the two can complement each other in an outbound stack.
- What integrations does each platform support?
- Success.ai integrates with Zapier, HubSpot, Salesforce, Pipedrive, and Slack. Warmy integrates with Google Workspace, Microsoft 365, Gmail, Yahoo, Outlook, and Google Postmaster. The integration lists do not overlap, reflecting their different roles in an outbound tech stack.
- Which platform is better for improving email deliverability?
- Warmy is built specifically for deliverability, offering email warm-up, seed lists, deliverability insights, a deliverability monitor, and a dedicated deliverability expert. Success.ai also lists unlimited warm-up and advanced deliverability as features, but its core focus is cold email outreach rather than deliverability alone.
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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