TrulyInbox vs Warmforge: Email Warmup Tool Comparison
Compare TrulyInbox and Warmforge side by side. See pricing, features, and integrations to choose the right email warmup tool for your needs.
TrulyInbox and Warmforge are both email warmup tools, but they differ mainly on price and approach. TrulyInbox starts free and scales through five paid tiers up to $479/mo with unlimited inbox connections and customizable reply rates from 10% to 65%. Warmforge starts at $12/mo per mailbox slot and centers on AI-written warmup emails, a per-mailbox Heat Score, and DNS, MX, and blacklist health checks.
Key takeaways
- TrulyInbox offers a free forever plan with 1 email account and 10 warmup emails per day.
- Warmforge's entry plan costs $12 per month per mailbox slot and includes automated AI email warm up plus one free placement test monthly.
- TrulyInbox provides 5 pricing tiers ranging from free to $479 per month, compared to Warmforge's 3 tiers.
- TrulyInbox lists customizable reply rates from 10% to 65% per plan, a feature not listed by Warmforge.
- Warmforge tracks a per-mailbox Heat Score and performs DNS, MX, and blacklist health checks, features not listed by TrulyInbox.
Reviewed and updated September 2, 2026
TrulyInbox vs Warmforge: Email Warmup Tool Comparison
Sales teams evaluating email domain warming and deliverability tools often narrow their shortlist to TrulyInbox and Warmforge. Both target the same job, but they cater to different workflows and budgets. This comparison covers pricing, features, and integrations so you can pick the right fit.
The Quick Answer
By each vendor's own wording, TrulyInbox lists unlimited email account connections on all paid plans and customizable reply rate per plan (10% to 65%), 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.
TrulyInbox offers a lower entry point at $0/mo compared to Warmforge at $12/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
TrulyInbox is Cost-effective email warmup platform that supports unlimited inbox connections on paid plans, with customizable reply rates, ramp-up schedules, and real-time deliverability scoring.
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
Free
Email Warm Up (per slot)
TrulyInbox Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Free | Free | 1 email account | 10 warmup emails/day |
| Starter | $29/mo | 3 email inboxes | 200 warmup emails/day |
| Growth | $99/mo | 15 email inboxes | 1,000 warmup emails/day |
| Scale | $199/mo | unlimited accounts connectable | 3,000 warmup emails/day |
| Scale Plus / Custom Plan | $479/mo | unlimited accounts connectable | 5,000 warmup emails/day |
Source: TrulyInbox 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
TrulyInbox is more affordable at the entry level ($0/mo vs $12/mo). For teams with tight budgets or those just getting started with email domain warming and deliverability, this price difference matters.
TrulyInbox offers 5 pricing tiers compared to Warmforge's 3, giving you more granularity as you scale.
TrulyInbox includes a free tier, letting you test the platform before committing financially.
Features Breakdown
- Unlimited email account connections on all paid plans
- Customizable reply rate per plan (10% to 65%)
- Customizable email ramp-up schedules
- Human-like email interaction simulation
- Real-time deliverability score tracking
- Multiple email open simulation for natural engagement
- and 2 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
TrulyInbox Key Features
- Unlimited email account connections on all paid plans
- Customizable reply rate per plan (10% to 65%)
- Customizable email ramp-up schedules
- Human-like email interaction simulation
- Real-time deliverability score tracking
- Multiple email open simulation for natural engagement
- Advanced warmup settings on higher plans
- Free forever plan with 1 inbox
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 TrulyInbox
- Unlimited email account connections on all paid plans
- Customizable reply rate per plan (10% to 65%)
- Customizable email ramp-up schedules
- Human-like email interaction simulation
- Real-time deliverability score tracking
- Multiple email open simulation for natural engagement
- Advanced warmup settings on higher plans
- Free forever plan with 1 inbox
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
TrulyInbox Integrations
TrulyInbox connects with: Gmail, Google Workspace, Outlook, Microsoft 365, Zoho Mail, SMTP, Yahoo Mail.
Warmforge Integrations
Warmforge connects with: Google Workspace, Microsoft 365, Gmail, Outlook, Salesforge (native), Mailforge (native).
Shared Integrations
Both tools integrate with: Gmail, Google Workspace, Outlook, Microsoft 365.
Integrations listed only by TrulyInbox: Zoho Mail, SMTP, Yahoo Mail.
Integrations listed only by Warmforge: Salesforge (native), Mailforge (native).
Use Case Recommendations
Best Fit for TrulyInbox
- Budget-conscious teams looking for an affordable email warmup tool
- Organizations with complex tech stacks needing broad integration support (7 integrations)
- Teams that want to start free and scale up as needs grow
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 | TrulyInbox | Warmforge |
|---|---|---|
| Starting Price | Free | $12/mo |
| Top Tier Price | $479/mo | $169/mo |
| Total Features Listed | 8 | 8 |
| Integrations | 7 | 6 |
| Founded | 2023 | 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
TrulyInbox and Warmforge both serve the email domain warming and deliverability market. TrulyInbox offers a more accessible entry point, while Warmforge starts at $12/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 TrulyInbox and Warmforge for current information.
Frequently asked questions.
Frequently asked questions- Which is cheaper, TrulyInbox or Warmforge?
- TrulyInbox is cheaper at the entry level, offering a free plan compared to Warmforge's $12/mo entry plan per slot. TrulyInbox also offers 5 pricing tiers up to $479/mo, giving more granularity as budgets grow, while Warmforge offers only 3 tiers.
- What is Warmforge's Heat Score?
- Warmforge tracks a per-mailbox Heat Score as part of its email warm up process, using AI-written emails to warm mailboxes and monitor deliverability. It also runs DNS, MX, and blacklist health checks, placement tests, and automatically removes warm-up mail that lands in spam.
- Does TrulyInbox have a free plan?
- Yes, TrulyInbox offers a free forever plan that includes 1 email account connection and 10 warmup emails per day. Paid plans start at $29/mo for the Starter tier and scale up to $479/mo for the Scale Plus or Custom plan, which allows unlimited accounts connectable.
- What integrations do TrulyInbox and Warmforge share?
- Both tools integrate with Gmail, Google Workspace, Outlook, and Microsoft 365. TrulyInbox additionally connects with Zoho Mail, SMTP, and Yahoo Mail, while Warmforge additionally connects with its own native tools, Salesforge and Mailforge.
- What features does Warmforge offer that TrulyInbox doesn't list?
- Warmforge lists Monitoring & Health Checks, Placement Tests, Deliverability Boost, Always-On Warm Up, Heat Score per mailbox, DNS/MX/blacklist health checks, and unique AI-written emails. These appear only on Warmforge's own feature list, though similar capabilities may exist under different naming on TrulyInbox's side.
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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