Inboxy vs Warmforge: Email Warmup Tool Comparison
Compare Inboxy and Warmforge side by side. See pricing, features, and integrations to choose the right email warmup tool for your needs.
Inboxy and Warmforge are both email warmup tools that build sender reputation and improve inbox placement, but they differ in price and feature naming. Inboxy starts at $47/mo with 9 listed features and 9 integrations. Warmforge starts at $12/mo across 3 pricing tiers with a per-mailbox Heat Score and DNS, MX, and blacklist health checks.
Key takeaways
- Inboxy's entry plan, Inboxy Pro, costs $47/mo and covers Gmail and Office 365 inboxes with 120 daily emails per inbox.
- Warmforge's entry plan, Email Warm Up, costs $12/mo per slot, with one slot covering one mailbox and one free slot included.
- Warmforge offers 3 pricing tiers, Email Warm Up at $12/mo, Placement Tests Pro at $39/mo, and Placement Tests Growth at $169/mo, compared to Inboxy's single tier.
- Inboxy lists 9 features including Primary Inbox Supercharger, Domain Score IQ Monitoring, and AI Generated Emails using GPT-3.
- Warmforge lists 8 features including a per-mailbox Heat Score, Health Checks on DNS and MX records and blacklist status, and unique emails written by AI.
- Inboxy connects with 9 integrations including Personal Gmail, Mailgun, GoDaddy, Inboxroad, Sendgrid, and Custom SMTP, while Warmforge connects with Microsoft 365, Salesforge, and Mailforge natively.
Reviewed and updated September 2, 2026
Inboxy vs Warmforge: Email Warmup Tool Comparison
Finding the right email warmup tool can directly impact your revenue pipeline. Inboxy and Warmforge both aim to solve the same core problem (building sender reputation and improving inbox placement), yet they approach it differently. Let's break down the specifics.
The Quick Answer
By each vendor's own wording, Inboxy lists primary inbox supercharger and domain score iq monitoring, while Warmforge lists email warm up and monitoring & health checks. A capability both offer can appear under different names, so read both feature lists below.
Warmforge offers a lower entry point at $12/mo compared to Inboxy at $47/mo.
If your priority is building sender reputation and improving inbox placement, both tools target it. The right choice depends on your budget, team size, and the specific capabilities you need most.
Understanding the Core Difference
Inboxy is Email warmup tool that improves deliverability by gradually increasing sending volume and boosting domain reputation. It runs warmup through a private network of headless browsers with AI-driven adjustments to sending metrics.
Warmforge is Email warm up tool from the Forge Ecosystem that warms mailboxes with AI-written emails and tracks a per-mailbox Heat Score. Adds DNS, MX and blacklist health checks, placement tests and automatic removal of warm-up mail that lands in spam.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Inboxy Pro
Email Warm Up (per slot)
Inboxy Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Inboxy Pro | $47/mo | Gmail and Office 365 Inboxes | 120 Daily Emails Per Inbox |
Source: Inboxy Pricing
Warmforge Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Email Warm Up (per slot) | $12/mo | 1 slot covers 1 mailbox; 1 free slot included | Automated AI email warm up; 1 free placement test per month |
| Placement Tests Pro Plan | $39/mo | 50 mailboxes per test | 100 tests per month |
| Placement Tests Growth Plan | $169/mo | 250 mailboxes per test | Unlimited tests |
Source: Warmforge Pricing
Pricing Analysis
Warmforge offers the lower entry point ($12/mo vs $47/mo). Teams watching their budget will appreciate the savings, especially when starting out.
Warmforge offers 3 pricing tiers compared to Inboxy's 1, giving you more granularity as you scale.
Features Breakdown
- Primary Inbox Supercharger
- Domain Score IQ Monitoring
- AI Powered Inbox Adjustments
- Dynamic Email Scheduling
- Live Inbox Engagement Feed
- AI Generated Emails (GPT-3)
- and 3 more listed below
- Email Warm Up
- Monitoring & Health Checks
- Placement Tests
- Deliverability Boost
- Always-On Warm Up
- Heat Score per mailbox
- and 2 more listed below
Inboxy Key Features
- Primary Inbox Supercharger
- Domain Score IQ Monitoring
- AI Powered Inbox Adjustments
- Dynamic Email Scheduling
- Live Inbox Engagement Feed
- AI Generated Emails (GPT-3)
- IP Warm Up Service
- SMTP Warm Up Service
- Inbox Placement Test
Warmforge Key Features
- Email Warm Up
- Monitoring & Health Checks
- Placement Tests
- Deliverability Boost
- Always-On Warm Up
- Heat Score per mailbox
- Health Checks on DNS and MX records and blacklist status
- Unique emails written by AI
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 Inboxy
- Primary Inbox Supercharger
- Domain Score IQ Monitoring
- AI Powered Inbox Adjustments
- Dynamic Email Scheduling
- Live Inbox Engagement Feed
- AI Generated Emails (GPT-3)
- IP Warm Up Service
- SMTP Warm Up Service
- Inbox Placement Test
Listed only by Warmforge
- Email Warm Up
- Monitoring & Health Checks
- Placement Tests
- Deliverability Boost
- Always-On Warm Up
- Heat Score per mailbox
- Health Checks on DNS and MX records and blacklist status
- Unique emails written by AI
Integration Ecosystem
Inboxy Integrations
Inboxy connects with: Personal Gmail, Google Workspace, Outlook/Office (SMTP), Outlook/Office (Oauth), Mailgun, GoDaddy, Inboxroad, Sendgrid, Custom SMTP.
Warmforge Integrations
Warmforge connects with: Google Workspace, Microsoft 365, Gmail, Outlook, Salesforge (native), Mailforge (native).
Shared Integrations
Both tools integrate with: Google Workspace.
Integrations listed only by Inboxy: Personal Gmail, Outlook/Office (SMTP), Outlook/Office (Oauth), Mailgun, GoDaddy, Inboxroad, Sendgrid, Custom SMTP.
Integrations listed only by Warmforge: Microsoft 365, Gmail, Outlook, Salesforge (native), Mailforge (native).
Use Case Recommendations
Best Fit for Inboxy
- Budget-conscious teams looking for an affordable email warmup tool
- Teams that need a wide feature set (9 capabilities listed)
- Organizations with complex tech stacks needing broad integration support (9 integrations)
Best Fit for Warmforge
- Budget-conscious teams looking for an affordable email warmup tool
- Teams launching new email domains for outreach
- Organizations recovering from deliverability issues
- Agencies managing warmup across multiple client domains
Feature Comparison Summary
| Feature | Inboxy | Warmforge |
|---|---|---|
| Starting Price | $47/mo | $12/mo |
| Top Tier Price | $47/mo | $169/mo |
| Total Features Listed | 9 | 8 |
| Integrations | 9 | 6 |
| Founded | N/A | 2024 |
Getting Started Checklist
- Define your email domain warming and deliverability requirements and monthly budget
- Estimate your expected 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
Inboxy and Warmforge both serve the email domain warming and deliverability market. Warmforge offers a more accessible entry point at $12/mo, while Inboxy starts at $47/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 Inboxy and Warmforge for current information.
Frequently asked questions.
Frequently asked questions- What is the price difference between Inboxy and Warmforge?
- Warmforge's entry plan costs $12/mo per slot, while Inboxy's entry plan, Inboxy Pro, costs $47/mo. Warmforge also offers two additional tiers, Placement Tests Pro at $39/mo and Placement Tests Growth at $169/mo, giving it 3 total pricing tiers compared to Inboxy's 1.
- What integrations does Inboxy support?
- Inboxy integrates with Personal Gmail, Google Workspace, Outlook/Office via SMTP, Outlook/Office via OAuth, Mailgun, GoDaddy, Inboxroad, Sendgrid, and Custom SMTP. This gives it 9 listed integrations, more than Warmforge's list.
- What integrations does Warmforge support?
- Warmforge integrates with Google Workspace, Microsoft 365, Gmail, Outlook, and its own native tools Salesforge and Mailforge. Google Workspace is the only integration shared between Warmforge and Inboxy.
- Which tool is better for teams recovering from deliverability issues?
- Warmforge is recommended for organizations recovering from deliverability issues. It includes placement tests, monitoring and health checks on DNS, MX records, and blacklist status, plus automatic removal of warm-up mail that lands in spam.
- What is the core difference between how Inboxy and Warmforge run warmup?
- Inboxy runs warmup through a private network of headless browsers with AI-driven adjustments to sending metrics. Warmforge warms mailboxes with AI-written emails and tracks a per-mailbox Heat Score, adding DNS, MX, and blacklist health checks and placement tests.
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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