Tool Comparisons

    Lemwarm vs TrulyInbox: Email Warmup Tool Comparison

    Compare Lemwarm and TrulyInbox side by side. See pricing, features, and integrations to choose the right email warmup tool for your needs.

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    February 6, 20265 min read
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    The short answer

    Lemwarm offers automated warmup across a 20,000+ domain network in 150+ countries starting at $29/month, with free access for lemlist subscribers. TrulyInbox provides unlimited inbox connections on all paid plans with customizable reply rates (10-65%), starting with a free tier. TrulyInbox costs less to start ($0 versus $29), while Lemwarm includes industry-tailored clusters and technical setup validation for SPF, DKIM, and DMARC records.

    Key takeaways

    • Lemwarm operates a warmup network spanning 20,000+ domains across 150+ countries with industry-tailored clusters.
    • TrulyInbox offers unlimited email account connections on all paid plans, with reply rates customizable from 10% to 65% depending on the tier.
    • TrulyInbox provides 5 pricing tiers from $0 to $289/month, while Lemwarm offers 3 tiers starting at $29/month plus custom enterprise pricing.
    • Lemwarm integrates with 9 platforms including native lemlist connection and CRM links through lemlist, while TrulyInbox connects with 7 email providers including Zoho Mail and Yahoo Mail.
    • Both tools provide deliverability scoring and human-like interaction simulation, with Lemwarm adding technical DNS record validation and TrulyInbox offering customizable ramp-up schedules.

    Reviewed and updated February 6, 2026

    Lemwarm vs TrulyInbox: Email Warmup Tool Comparison

    Lemwarm and TrulyInbox compete head-to-head in the email domain warming and deliverability space. This guide compares their pricing tiers, feature sets, and integration ecosystems to help you make a confident decision.

    The Quick Answer

    Lemwarm stands out with automated email warmup with human-like interactions and warm-up network of 20,000+ domains across 150+ countries. TrulyInbox differentiates itself through unlimited email account connections on all paid plans and customizable reply rate per plan (10% to 65%).

    TrulyInbox offers a lower entry point at $0/mo compared to Lemwarm at $29/mo.

    If your priority is building sender reputation and improving inbox placement, both tools can deliver. The right choice depends on your budget, team size, and the specific capabilities you need most.

    Understanding the Core Difference

    Lemwarm is Email warmup tool from lemlist that builds sender reputation using a network of 20,000+ domains across 150+ countries, with industry-tailored warmup clusters and deliverability scoring.

    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.

    The two platforms take different approaches to solving the same core challenge.

    Pricing Comparison

    Lemwarm Pricing (as of February 2026)

    PlanPrice
    Essential$29/mo
    Smart$49/mo
    CustomContact Sales

    Source: Lemwarm Pricing

    TrulyInbox Pricing (as of February 2026)

    PlanPriceEmails
    FreeFree10 warmup emails/day
    Starter$29/mo100 warmup emails/day
    Growth$79/mo1,000 warmup emails/day
    Scale$189/mo3,000 warmup emails/day
    Business$289/mo6,000 warmup emails/day

    Source: TrulyInbox Pricing

    Pricing Analysis

    TrulyInbox offers the lower entry point ($0/mo vs $29/mo). Teams watching their budget will appreciate the savings, especially when starting out.

    TrulyInbox offers 5 pricing tiers compared to Lemwarm's 3, giving you more granularity as you scale.

    TrulyInbox includes a free tier, which is helpful for evaluating the platform without upfront cost.

    Features Breakdown

    Lemwarm Key Features

    • Automated email warmup with human-like interactions
    • Warm-up network of 20,000+ domains across 150+ countries
    • Industry-tailored warmup clusters for natural patterns
    • Deliverability score out of 100
    • Technical setup checker (SPF, DKIM, DMARC)
    • Personalized warmup using your real email templates (Smart plan)
    • Custom deliverability alerts and recommendations
    • Free with any lemlist subscription

    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

    Unique to Lemwarm

    • Automated email warmup with human-like interactions
    • Warm-up network of 20,000+ domains across 150+ countries
    • Industry-tailored warmup clusters for natural patterns
    • Deliverability score out of 100
    • Technical setup checker (SPF, DKIM, DMARC)
    • Personalized warmup using your real email templates (Smart plan)
    • Custom deliverability alerts and recommendations
    • Free with any lemlist subscription

    Unique to 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

    Integration Ecosystem

    Lemwarm Integrations

    Lemwarm connects with: Gmail, Google Workspace, Outlook, Microsoft 365, SMTP, lemlist (native), HubSpot (via lemlist), Salesforce (via lemlist), Pipedrive (via lemlist).

    TrulyInbox Integrations

    TrulyInbox connects with: Gmail, Google Workspace, Outlook, Microsoft 365, Zoho Mail, SMTP, Yahoo Mail.

    Shared Integrations

    Both tools integrate with: Gmail, Google Workspace, Outlook, Microsoft 365, SMTP.

    Lemwarm exclusively offers: lemlist (native), HubSpot (via lemlist), Salesforce (via lemlist), Pipedrive (via lemlist).

    TrulyInbox exclusively offers: Zoho Mail, Yahoo Mail.

    Use Case Recommendations

    Best Fit for Lemwarm

    • Budget-conscious teams looking for an affordable email warmup tool
    • Organizations with complex tech stacks needing broad integration support (9 integrations)
    • Enterprise buyers who prefer custom pricing and dedicated support

    Best Fit for TrulyInbox

    • Budget-conscious teams looking for an affordable email warmup tool
    • Teams that want to start free and scale up as needs grow
    • Teams launching new email domains for outreach
    • Organizations recovering from deliverability issues

    Feature Comparison Summary

    FeatureLemwarmTrulyInbox
    Starting Price$29/moFree
    Top Tier PriceContact Sales$289/mo
    Total Features Listed88
    Integrations97
    Founded20182023

    Getting Started Checklist

    1. Define your email domain warming and deliverability requirements and monthly budget
    2. Estimate your expected warmup email volume to find the right tier
    3. List the integrations your team currently relies on
    4. Sign up for free trials or demos of both platforms
    5. Run a small test with each tool before making a commitment
    6. Evaluate the onboarding experience and support quality

    Final Thoughts

    Lemwarm and TrulyInbox both serve the email domain warming and deliverability market well. TrulyInbox offers a more accessible entry point, while Lemwarm starts at $29/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 February 2026. Visit Lemwarm and TrulyInbox for current information.

    Questions

    Frequently asked questions.

    Frequently asked questions
    What is the main difference between Lemwarm and TrulyInbox?
    Lemwarm emphasizes a large warmup network of 20,000+ domains across 150+ countries with industry-tailored clusters, while TrulyInbox focuses on unlimited inbox connections across all paid plans with customizable reply rates. Lemwarm starts at $29/month and includes technical setup validation for DNS records, whereas TrulyInbox offers a free tier and granular control over warmup schedules and reply percentages ranging from 10% to 65%.
    Which email warmup tool is more affordable?
    TrulyInbox has the lower entry point with a free plan supporting one inbox and 10 warmup emails per day, compared to Lemwarm's $29/month starting price. TrulyInbox also offers five pricing tiers up to $289/month, providing more options as you scale. However, Lemwarm is free for existing lemlist subscribers, which can make it the more economical choice if you already use that platform.
    How many integrations does each tool support?
    Lemwarm connects with 9 platforms including Gmail, Google Workspace, Outlook, Microsoft 365, SMTP, and native lemlist integration plus HubSpot, Salesforce, and Pipedrive through lemlist. TrulyInbox integrates with 7 email providers: Gmail, Google Workspace, Outlook, Microsoft 365, Zoho Mail, SMTP, and Yahoo Mail. Both share the core five integrations, but Lemwarm offers CRM connections while TrulyInbox supports Zoho Mail and Yahoo Mail.
    Can I connect multiple email accounts with these warmup tools?
    TrulyInbox allows unlimited email account connections on all paid plans starting at $29/month, making it ideal for teams managing multiple domains. Lemwarm's documentation does not specify account limits in the comparison, though connection capabilities likely vary by plan tier. If you need to warm multiple inboxes simultaneously without per-account fees, TrulyInbox's unlimited connection model provides clear value.
    Do Lemwarm and TrulyInbox offer free trials?
    TrulyInbox provides a free forever plan that supports one inbox with 10 warmup emails per day, allowing indefinite testing without payment. The comparison mentions both platforms offer free trials or demos but does not specify Lemwarm's trial length or conditions. TrulyInbox's permanent free tier gives more extended evaluation time, while Lemwarm is completely free for users who already subscribe to lemlist.
    LemwarmTrulyInboxEmail Warmup ToolComparisonemail-warmup
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    About the author.

    Tim Carden

    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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