⚡ Quick Verdict:
- Pricing: Lemlist starts at $63/month per user vs Warmbox at $15/month — very different price points for very different tools.
- Best for: Lemlist for sales teams running personalized multichannel outreach campaigns; Warmbox for anyone who needs to fix cold email inbox reputation before sending.
- Key difference: Lemlist is a full sales engagement platform with a lead database of 450M+ contacts. Warmbox only warms up your email accounts — it does not send cold emails.
- Our pick: Lemlist for most sales teams — it handles both warm-up (via lemwarm) and outreach in one platform, eliminating the need for a separate tool.
Your cold emails keep landing in spam folders.
You’ve tried tweaking subject lines and email templates — nothing works.
Two tools come up in every conversation: Lemlist and Warmbox.
But they solve completely different problems for different types of users seeking different outcomes.
Lemlist is a sales engagement platform and sales automation tool built for multi-channel prospecting — email, LinkedIn, and phone calls in one sequence.
Warmbox is a dedicated email warm-up service that uses one-click setup to build your sender reputation so cold emails reach the inbox, not the spam folder.
Here’s how to decide which one you actually need.
Overview
This Lemlist vs Warmbox comparison covers lemlist pricing, core features, ease of use, and deliverability performance for both tools.
Our sources include both tools’ published documentation, G2 user reviews, and hands-on time with each platform.
Our writer signed up for a Lemlist account and explored its multichannel sequence builder, lead database, and AI Copilot features directly on the platform.
For Warmbox, our writer connected a Gmail and Outlook account and monitored inbox reputation changes over several days — watching the warm up process work in real time.
Those observations appear in the “What Our Team Noticed” sections below.
What is Lemlist?
Founded in 2018, Lemlist has been revolutionizing prospecting as a leader in personalized outreach.
It is a sales automation tool and sales engagement platform trusted by over 37,000 businesses in more than 100 countries.
Lemlist lets you build lead generation campaigns using a B2B database of over 450 million contacts with verified emails and verified phone numbers.
Unlike mass marketing tools, Lemlist targets cold outreach with email automation features designed to avoid spam filters — empower sales teams to generate millions in pipeline without cold calling each prospect manually.
It uses custom variables and AI-generated icebreakers, incorporating custom intro lines that personalize outreach at scale — so each prospect gets a message tailored to their LinkedIn profiles and company data.
Lemlist also includes a Chrome extension that lets lemlist users add prospects from LinkedIn Sales Navigator directly into outreach campaigns without leaving the browser.
Lemlist
Lemlist is a sales engagement platform for highly personalized multichannel campaigns. It combines email outreach, LinkedIn prospecting, and cold calling in one place — with a 450M+ lead database built in.
Lemlist Pricing
Here’s what Lemlist costs in 2026. Plans are priced per user per month.
| Plan | Price | Best For |
|---|---|---|
| Email Pro | $63/month per user | Email outreach with warm-up and deliverability features |
| Multichannel Expert | $87/month per user | LinkedIn, cold calling, and email in one sequence |
| Enterprise | Custom | Large sales teams needing dedicated support |
Pricing verified May 2026.
Free trial: Lemlist provides a 14-day free trial for new users. No credit card required to start exploring the platform.
Money-back guarantee: Lemlist does not publicly advertise a money-back guarantee. Cancel before renewal to avoid charges.
📌 Note: Every paid plan includes lemwarm for warm up and deliverability. The Multichannel Expert plan adds LinkedIn and cloud calls as additional outreach channels. The Email Pro plan covers most solo sender needs for advanced warm up and email outreach.
⚠️ Warning: Some users have expressed frustration with billing issues and communication problems with Lemlist’s support team. Review cancellation terms carefully before subscribing. Lemlist’s warm-up feature has received mixed reviews — some users find it ineffective compared to dedicated tools.
Key Benefits of Lemlist
Here’s what makes Lemlist worth considering for your sales process:
- Lead Database of 450M+ Contacts: Lemlist lets you discover your next buyers from a B2B database of over 450 million contacts. Use search filters to target your audience by company size, job title, industry, and other filters.
- Highly Personalized Multichannel Campaigns: The platform enables you to incorporate custom intro lines, dynamic images, GIFs, and personalized landing pages into every outreach campaign. Each recipient sees personalized messages tailored to their LinkedIn profile or company data.
- AI Copilot for Sequences: Lemlist’s AI Copilot generates multichannel sequences and personalized icebreakers based on prospects’ LinkedIn information. This cuts manual writing time while keeping personalization high across all email campaigns.
- Condition-Based Email Automation: Users can set up condition-based campaigns that trigger based on prospect behavior — like sending LinkedIn messages only if the email went unopened after 3 days. This sales automation replaces manual follow-up busywork.
- Waterfall Email Enrichment: Lemlist includes waterfall enrichment that verifies emails and phone numbers from multiple data sources. This improves contact details accuracy and reduces bounce rates so more leads receive your messages.
- CRM Integrations: Lemlist integrates with CRM systems like HubSpot, Salesforce, and Pipedrive to keep your sales process in sync. Data flows automatically between Lemlist and your existing tools as part of a multi channel prospecting workflow.
- A/B Testing + Detailed Analytics: Lemlist includes A/B testing capabilities to compare different versions of email campaigns. Detailed analytics and reports cover reply rate and other performance metrics for email and LinkedIn outreach.
What Our Team Noticed
Our writer signed up for Lemlist and explored the platform’s sequence builder, AI Copilot, and lead database hands-on. Here’s what stood out:
Lemlist Pros & Cons
✅ Pros
- All-in-one solution: email outreach, LinkedIn prospecting, and cold calling in one platform
- Lead database of 450M+ contacts with verified emails reduces reliance on third-party tools
- Dynamic landing pages and customized images make personalized outreach stand out at scale
- Lemwarm included in all paid plans — no need to pay extra for email warm-up
- Many users find lemlist user-friendly and easy to navigate despite advanced features
❌ Cons
- Poor customer support reported by some users — inconsistent responsiveness
- Steep learning curve with lemlist’s more advanced automation features
- Technical issues including software crashes and bugs that disrupt sales processes
- Email tracking counted user’s own opens, skewing metrics for some users
What is Warmbox?
Warmbox is a dedicated email warm-up service designed to increase your sender reputation and improve email deliverability.
Without email warm-up, a lot of your emails are landing in spam anymore — not because your content is bad, but because email providers don’t recognize your domain yet.
This warm up process is essential for your email marketing efforts. Email providers can blacklist your domain if you do not warm up properly before sending cold email campaigns at volume.
Warmbox solves this by using a network of over 35,000 private inboxes to generate positive interactions with your emails automatically — so your emails reach potential customers instead of the spam folder.
It supports various email providers including Gmail, Outlook, Yahoo Mail, and more — so it works wherever you send from.
The setup process takes as little as 2 minutes with a simple one click connection to your email account — no technical skills required.
Warmbox also offers a freemium model, allowing users to test basic warm up emails features for free before upgrading to a paid plan.
Warmbox
Warmbox is an email warm-up service that builds your sender reputation using a 35,000+ private inbox network. It takes 2 minutes to set up and supports Gmail, Outlook, and Yahoo with detailed analytics.
Warmbox Pricing
Here’s what Warmbox costs in 2026. Plans scale by the number of inboxes you warm up.
| Plan | Price | Best For |
|---|---|---|
| Solo | $15/month | Solo senders warming up one inbox |
| Start-up | $69/month | Small teams with multiple inboxes |
| Growth | $139/month | Growing agencies managing several accounts |
| Team | Contact Them For pricing | Large organizations with custom warm-up needs |
Pricing verified May 2026.
Free plan: Warmbox offers a freemium model. You can test basic warm-up features for free before upgrading to a paid plan.
Money-back guarantee: Warmbox does not publicly advertise a money-back policy. Test the free plan before committing to a paid tier.
📌 Note: Warmbox’s approach focuses primarily on warm-up activities to improve sender reputation, rather than addressing broader email deliverability issues. It does not check email content for spam trigger words — that’s a separate concern you’ll need to handle yourself.
⚠️ Warning: Users have reported mixed experiences with Warmbox, with some claiming it does not deliver the promised results. Monitoring your inbox reputation closely after setup is essential. Folderly offers a more thorough approach to email deliverability if you need more than warm-up alone.
Key Benefits of Warmbox
Here’s what makes Warmbox worth considering if email deliverability is your main concern:
- 35,000+ Private Inbox Network: Warmbox uses a network of over 35,000 private inboxes to generate positive interactions with your emails. This gradual warm up process trains spam filters to trust your sending domain over time.
- Detailed Analytics and Detailed Reports: The platform provides detailed analytics and reports on your email reputation and deliverability score. Track and monitor your inbox reputation daily across various email providers.
- Spam Score Monitoring: Warmbox includes built-in spam score tracking so you know exactly where your sender reputation stands. This proactive approach helps catch deliverability problems before cold email campaigns go live.
- Supports Multiple Email Providers: Warmbox works with Gmail, Outlook, Yahoo Mail, and various email providers. You can manage multiple email providers in one account without needing separate tools.
- Quick, No-Code Setup: The setup process takes as little as 2 minutes with no technical skills required. This user-friendly approach makes Warmbox accessible even for those new to email marketing.
- Free Plan Available: Warmbox offers a freemium model so users seeking better deliverability can test warm-up features at no cost. Paid plans start at $15/month for the Solo tier.
What Our Team Noticed
Our writer connected a Gmail account to Warmbox and tracked inbox reputation changes over several days. Here’s what stood out:
Warmbox Pros & Cons
✅ Pros
- Affordable entry at $15/month — a solo sender can warm up one inbox for less
- Free plan lets you test the warm-up process before committing to a paid tier
- Detailed reports on inbox reputation and spam score provide clear deliverability visibility
- Works with Gmail, Outlook, and other email providers out of the box
- 2-minute setup with no technical skills needed to get started
❌ Cons
- Does not send cold emails — warm-up only, so you still need a separate outreach tool
- No email content checking for spam trigger words — a gap in deliverability coverage
- Mixed user feedback — some report promised results don’t always materialize
- No lead database or outreach automation — purely a warm-up service
Feature Comparison
Let’s compare Lemlist vs Warmbox across the features that matter most for cold email success.
| Feature | Lemlist | Warmbox |
|---|---|---|
| Starting Price | $63/month per user | $15/month |
| Free Plan | ❌ (14-day free trial only) | ✅ |
| Cold Email Outreach | ✅ | ❌ |
| Email Warm-Up | ✅ (lemwarm included) | ✅ (core feature) |
| Lead Database | ✅ (450M+ contacts) | ❌ |
| LinkedIn Automation | ✅ | ❌ |
| Spam Score Monitoring | ✅ | ✅ |
| Detailed Analytics | ✅ | ✅ |
| CRM Integrations | ✅ (HubSpot, Salesforce, Pipedrive) | ❌ |
| Best For | Full sales engagement platform | Email deliverability warm-up only |
1. Email Warm-Up and Deliverability
Lemlist: Lemlist includes lemwarm in all paid plans — an integrated tool that provides the most advanced warm up by gradually escalating email sending volumes while engaging with real accounts. The platform also monitors domain reputation and provides actionable advice to help you avoid spam folders. Unlike lemlist competitors that charge separately for warm-up, the warm up and deliverability features come built into the Email Pro plan at no additional cost.
Warmbox: Email warm-up is Warmbox’s entire reason for existing. It uses a network of 35,000+ private inboxes to generate positive interactions with your emails — opens, replies, and moves out of spam — training email providers to trust your address. The warm-up process is designed to keep your emails out of spam folders over a period of 2–4 weeks. Once warmed up, your cold email campaigns should see superior open rates.
⚠️ Warning: Email warm-up alone won’t fix deliverability if your email content contains spam trigger words. Warmbox does not provide email content checks — you need to audit your copy separately.
2. Multichannel Outreach Sequences
Lemlist: Lemlist automates sequences across multiple channels, including email, LinkedIn, and WhatsApp. The Multichannel Expert plan adds LinkedIn and cloud calls as additional outreach channels. Users can set up condition-based campaigns that trigger based on prospect behavior — for example, sending LinkedIn messages only if an email went unopened after 48 hours.
Warmbox: Warmbox does not support outreach sequences of any kind. It is purely an email warm-up service. If you need to run multi-channel prospecting — email, LinkedIn, phone — you need a separate sales engagement platform like Lemlist alongside Warmbox.
3. Personalization and Dynamic Content
Lemlist: Lemlist’s hyper-personalization sets it apart from traditional email marketing tools. Users can incorporate custom intro lines, insert customized images, GIFs, or videos directly into emails, and create personalized landing pages per prospect. The AI Copilot generates icebreakers based on LinkedIn profiles — no manual research required. Sales teams can run personalized outreach at outreach scale without losing the human touch.
Warmbox: Warmbox includes email templates for its automated warm-up interactions, but these are not for your outreach campaigns — they’re internal messages sent within the warm-up network. Warmbox has no personalization engine for outbound sales emails. That capability belongs to your outreach tool, not your warm-up tool.
4. Lead Database and Email Finder
Lemlist: Lemlist lets you build lead lists with verified emails from a B2B database of over 450 million contacts. The Email Finder uses waterfall enrichment — pulling contact details from multiple data sources — to deliver accurate, bounce-resistant lists. Users can also find verified phone numbers for cold calling directly from the platform.
Warmbox: Warmbox has no lead database or email finder. It does not help you find or verify contact details. Its role begins after you already have your prospect list — it prepares your inbox so those outreach emails actually land in the recipient’s inbox rather than spam.
5. Analytics and Reporting
Lemlist: Lemlist provides detailed analytics and reports for outreach campaigns, including performance metrics for email and LinkedIn. You can track open rates, reply rates, and meeting bookings per campaign. A/B testing capabilities let you compare different versions of email campaigns and improve performance over time.
Warmbox: Warmbox provides detailed analytics and reports on email reputation and deliverability score. The dashboard gives a clear view of how your sender reputation trends over time. You can track spam score, inbox placement, and positive interactions generated by the warm-up network — making it easy to monitor your inbox reputation day by day.
6. Spam Score and Domain Health
Lemlist: Lemlist monitors domain reputation and provides actionable advice to help avoid spam filters. The lemwarm feature specifically focuses on warm up and deliverability by gradually building sending volume and engaging with a secure network of accounts. The deliverability booster helps keep your domain off blacklists as you scale outreach campaigns.
Warmbox: Spam score monitoring is one of Warmbox’s core features — it shows how spam filters evaluate your address so you can act before problems compound. Among its other features, Warmbox includes a DNS deliverability checker auditing SPF, DKIM, and DMARC records. As a dedicated email warm up service, it helps businesses ensure emails reach their target audience instead of spam folders.
7. CRM Integrations
Lemlist: Lemlist integrates with HubSpot, Salesforce, and Pipedrive to keep your sales process connected. Contact data syncs automatically as leads move through outreach campaigns. The Chrome extension lets you add LinkedIn profiles directly to lead lists without leaving your browser.
Warmbox: Warmbox does not integrate with CRM systems. It connects to your email accounts — Gmail, Outlook, and other email providers — but it does not push data to your sales stack. Warmbox is a standalone warm-up tool, not part of an integrated sales workflow.
8. Ease of Use and Learning Curve
Lemlist: Many users report that Lemlist is user-friendly at the basic level. However, some experience a steep learning curve with advanced automation features — especially condition-based sequences and the multichannel campaign builder. The platform rewards time investment from power users.
Warmbox: Warmbox is designed with a user friendly approach from the ground up. Setup takes 2 minutes — just connect your email account, set your warm up schedule, and let it run. There is minimal learning curve even for those new to email marketing.
9. Support Options
Lemlist: Lemlist provides in-app support plus a help center and community resources. Lemlist’s customer support quality is inconsistent — some users praise responsiveness, others report delays. In app support varies by plan; Enterprise users get a dedicated account manager from the support team.
Warmbox: Warmbox provides customer support through live chat and a detailed help center. Compared to other tools at this price point, Warmbox’s user-friendly approach to onboarding means most users get started without needing support at all.
10. Pricing and Value
Let’s compare the pricing plans side by side.
| Plan | Lemlist | Warmbox |
|---|---|---|
| Free | ❌ (14-day trial) | ✅ (limited warm-up) |
| Entry Paid | $63/month per user | $15/month |
| Mid Tier | $87/month per user | $69/month |
| High Tier | Custom (Enterprise) | $139/month |
| Team/Custom | Enterprise: Custom | Team: Contact for pricing |
Lemlist: At $63/month per user, Lemlist is significantly more expensive than Warmbox. But the pricing plans include a full sales engagement platform — lead database, multichannel outreach, AI personalization, and warm-up in one. For sales teams needing all of that, it replaces three or four separate tools.
Warmbox: Warmbox starts at $15/month for the Solo plan. The free plan lets you test before spending anything. If you already have an outreach tool and just need warm-up, Warmbox is the more focused and budget-friendly option for email marketing efforts.
Different Scenarios
| If You Need… | Choose | Why |
|---|---|---|
| Full sales engagement platform | Lemlist | All-in-one: leads, outreach, warm-up |
| Fix inbox reputation only | Warmbox | Dedicated warm-up, starts at $15/mo |
| LinkedIn + email + phone sequences | Lemlist | True multichannel outreach built in |
| Free warm-up before outreach | Warmbox | Free plan available, 2-min setup |
| CRM integration (HubSpot, Salesforce) | Lemlist | Native CRM sync included |
| Tight budget, warm-up only | Warmbox | $15/mo Solo plan, no extras needed |
💰 Your Budget
Warmbox wins on price if you only need email warm-up — the Solo plan starts at $15/month. Lemlist starts at $63/month per user, but that includes outreach, warm-up, and a lead database in one platform.
🔌 Your Tech Stack
If you already use a CRM like HubSpot, Salesforce, or Pipedrive, Lemlist integrates directly and syncs contact data automatically. Warmbox connects only to your email account — it does not plug into your broader sales stack.
📤 Your Outreach Style
Lemlist is built for sales teams who want highly personalized multichannel campaigns — email, LinkedIn, and cold calling in one sequence. If your outreach is already running and you just need to stop landing in spam folders, Warmbox handles that without disrupting your current setup.
🎓 Your Experience Level
Warmbox is easier to start with — 2-minute setup, no technical skills required, free plan to test. Lemlist has a steeper learning curve, especially for advanced automation features, but many users still find it easy to navigate for basic cold email campaigns.
🆓 Free Trials and Demos
Warmbox offers a free plan with no time limit — a user friendly approach to letting you test deliverability improvements before paying. You can set a warm up schedule and monitor results for free. Lemlist offers a 14-day free trial that allows users to explore most platform features without limitations.
🛟 Support Options
Warmbox offers live chat and a help center. Lemlist provides in-app support plus a dedicated account manager on Enterprise plans, though lemlist’s customer support quality is inconsistent based on user feedback — some praise it, others report poor customer support experiences.
Switching Guide
Already using one of these tools? Here’s what to expect if you switch.
🔄 Switching from Lemlist to Warmbox?
✅ What you’ll gain:
- A dedicated warm-up tool with 35,000+ private inboxes — more specialized than lemwarm
- Lower monthly cost if warm-up is your only need ($15/month vs $63/month)
- Faster setup with no complex sequence builder to configure
❌ What you’ll lose:
- The 450M+ contact lead database and email finder built into Lemlist
- Multichannel outreach sequences across email, LinkedIn, and phone
- CRM integrations with HubSpot, Salesforce, and Pipedrive
📋 How to switch:
- Export contact lists and campaign data from Lemlist before canceling
- Sign up for Warmbox’s free plan and connect your sending email accounts
- Run warm-up for 2–4 weeks, then choose a separate outreach tool if needed
🔄 Switching from Warmbox to Lemlist?
✅ What you’ll gain:
- A full sales engagement platform — outreach, warm-up, and lead generation in one
- Access to 450M+ contacts with verified emails and phone numbers
- Multichannel sequences combining email, LinkedIn, and cold calling
❌ What you’ll lose:
- The low $15/month entry point — Lemlist starts at $63/month per user
- Warmbox’s dedicated DNS deliverability checker and focused warm-up analytics
- Simplicity — Lemlist has a steeper learning curve for advanced features
📋 How to switch:
- Sign up for Lemlist’s 14-day free trial and connect your existing sending accounts
- Import your existing lead lists or build new ones using Lemlist’s email finder
- Set up lemwarm on connected accounts before launching any cold email campaigns
What Our Review Didn’t Cover
This comparison focused on individual sellers and small teams running cold email outreach. We did not evaluate Lemlist’s Enterprise plan in depth, nor did we test Warmbox’s Team plan across many inboxes at once. Agency use cases — managing warm-up and outreach for multiple clients — were outside the scope of this review. If you’re running a large sales operation, pricing and support may differ from what we’ve described.
Final Verdict
| Category | Winner |
|---|---|
| 💰 Pricing | Warmbox |
| 📤 Outreach Capabilities | Lemlist |
| 🔥 Email Warm-Up | Warmbox (dedicated) / Lemlist (built-in) |
| 🗃️ Lead Database | Lemlist |
| 🤖 Personalization | Lemlist |
| 👶 Ease of Use | Warmbox |
| 🔌 Integrations | Lemlist |
| 📊 Analytics | Lemlist |
| 🏆 Overall Winner | Lemlist |
🏆 WINNER: LEMLIST
Lemlist wins 6 out of 8 categories.
Best for: Sales teams running personalized multichannel outreach, B2B lead generation, and closing deals through email, LinkedIn, and phone.
Lemlist and Warmbox are not really competitors — they solve different problems.
If you’ve read a Warmbox review and a Lemlist review side by side, you’ll notice they target completely different parts of the cold email workflow.
Warmbox is right if you already have an outreach tool and just need to remove emails from spam and build inbox reputation. At $15/month with a free plan, it’s low-risk and purpose-built for warm up emails.
Lemlist is right if you want an all in one solution: find leads, warm up your inbox, build personalized outreach campaigns, and run multi channel prospecting — using the platform directly to manage your entire sales outreach workflow. Lemlist offers this as a true alternative to stitching together separate tools.
For most sales teams, Lemlist is the stronger long-term investment — able to empower sales teams to generate millions in pipeline through its lead database, AI personalization, and multichannel sequences.
If budget is tight, start with Warmbox’s free plan as a Lemlist alternative for warm-up only — then evaluate Lemlist when you’re ready to scale your cold outreach.
More of Lemlist Compared
Here’s how Lemlist stacks up against other sales engagement and outreach tools:
Lemlist vs Instantly
Lemlist wins on: Multichannel outreach (LinkedIn + phone), AI personalization with dynamic images and landing pages, 450M+ contact database
Instantly wins on: Unlimited email sending volume, unlimited sending accounts at a flat rate, simpler pricing for high-volume cold email senders
Lemlist vs Apollo
Lemlist wins on: Hyper-personalization features, dynamic landing pages, multichannel sequence automation with condition-based triggers
Apollo wins on: Larger B2B database, intent data for prospect scoring, broader sales intelligence and company research features
Lemlist vs Klenty
Lemlist wins on: Lead database access, AI-generated icebreakers, built-in lemwarm for deliverability
Klenty wins on: Customer support quality, more affordable pricing for growing sales teams, specialized CRM workflow automation
Lemlist vs Mailshake
Lemlist wins on: Personalized landing pages per prospect, LinkedIn automation sequences, waterfall email enrichment
Mailshake wins on: Simpler interface for pure email outreach, built-in phone dialer, lower barrier for beginners
Lemlist vs Smartlead
Lemlist wins on: Personalization depth, unified inbox for all channels, AI Copilot for sequence generation
Smartlead wins on: Unlimited email sending accounts, white-label agency options, lower cost per inbox for high-volume senders
More of Warmbox Compared
Here’s how Warmbox compares to other email warm-up and deliverability tools:
Warmbox vs Warmy
Warmbox wins on: Established private inbox network of 35,000+, detailed spam score monitoring, freemium entry point
Warmy wins on: AI-driven warm-up customization, broader email provider integrations, faster reputation recovery claims
Warmbox vs Instantly (Warm-Up)
Warmbox wins on: Dedicated warm-up focus, DNS deliverability checker, standalone pricing starting at $15/month
Instantly wins on: Bundled warm-up with full outreach platform, unlimited sending accounts, simpler all-in-one billing
Warmbox vs Mailwarm
Warmbox wins on: Free plan availability, spam score monitoring, more email providers supported including Yahoo Mail
Mailwarm wins on: Simpler pricing structure, direct human-network warm-up approach
Warmbox vs Woodpecker (Warm-Up)
Warmbox wins on: Purpose-built warm-up with dedicated analytics, standalone free plan, lower entry price
Woodpecker wins on: Full outreach campaign automation, A/B testing, built-in follow-up sequence management
Warmbox vs Smartlead (Warm-Up)
Warmbox wins on: Dedicated warm-up analytics, DNS checker, free plan for testing deliverability improvements
Smartlead wins on: Unlimited sending accounts, full outreach platform bundled with warm-up, agency-friendly pricing
Frequently Asked Questions
What is Lemlist used for?
Lemlist is a sales engagement platform for running lemlist campaigns across email, LinkedIn, and phone — enabling users to run personalized outreach at scale with a 450M+ contact database.
Does Lemlist have a free trial?
Yes. Lemlist provides a 14-day free trial that lets you explore most features without limitations. No credit card is required to start your trial period.
Is Warmbox free?
Yes, Warmbox offers a freemium plan. You can test basic email warm-up features at no cost before upgrading. Paid plans start at $15/month for the Solo tier.
How does Warmbox work?
Warmbox connects your inbox to a 35,000+ private network. It automatically generates positive interactions — opens, replies, moves from spam — to build your sender reputation over 2–4 weeks.
Can I use Lemlist and Warmbox together?
Yes, but it’s rarely necessary. Lemlist already includes lemwarm for email warm-up. Warmbox is better suited for users who need a dedicated warm-up tool outside of Lemlist.
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