10 Cheapest Cold Email Software for Outreach in 2025

If you’re searching for the cheapest cold email software in 2025, you probably want to scale outreach without breaking your budget. 

The problem is, most tools compromise on deliverability or lock essential features behind expensive plans.

That makes it hard for startups, small teams, and solo founders to find a tool that’s both affordable and reliable.

In this blog, I’ll break down the 10 cheapest cold email tools worth considering this year. 

We’ll look at their pricing, what you actually get in each plan, and where they make sense for different types of users. 

By the end, you’ll know exactly which tool fits your outreach goals, without wasting money on overpriced subscriptions.

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Comparison Table: 10 Cheapest Cold Email Software in 2025

How Did We Choose the Cheapest Cold Email Software List?

To find the most affordable tools for outreach, we focused on a checklist that directly impacts usability, email deliverability, and long-term performance:

• Whether the tool offers a genuinely low entry plan and keeps pricing transparent as you add more inboxes or domains.
  
  
• How well the software supports essential outreach functions like automated sending, follow-up sequences, campaign analytics, and CRM integrations.
  
  
• Whether freelancers, startups, and small teams can set it up quickly and run campaigns without technical barriers or steep learning curves.
  
  
• How reliably the tool helps emails land in the inbox through warm-up options, inbox placement tracking, and domain health monitoring.
  
  
• Whether the software fits lean teams and budgets while still being scalable as outreach grows.

Here’s How AKOOL Reached 214K Prospects With a 16%+ Reply Rate

AKOOL partnered with Let’s Fearlessly Grow and used Infraforge, Mailforge, and Salesforge to build strong infrastructure, keep inboxes warm, and automate campaigns at scale - turning outreach into consistent pipeline growth.

👉 [Read the full case study →]‍

See the exact tools, strategy, and results.

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1. Infraforge

Infraforge is a budget-friendly cold email tool built for freelancers, small teams, and growing agencies who want powerful features without a hefty price tag. 

It gives you enough automation, analytics, and email infrastructure control, and a dedicated IP for scaling safely, so you don’t feel like you're sacrificing quality for cost.

Key features

• Automated DNS setup with SPF, DKIM, and DMARC validation
  
  
• Deliverability monitoring with inbox placement reports and blacklist alerts
  
  
• Multi-domain and multi-inbox support with scaling options
  
  
• CRM and Zapier-style integrations for seamless workflow
  
  

Why it’s a cheap and effective option

Unlike other infrastructure-heavy tools that charge premium rates, Infraforge starts at $33/month for 10 inboxes, a much lower entry cost, making it accessible to freelancers and small teams while still offering advanced features for agencies.

Infraforge gives you all the essentials, warm-up, automation, analytics, and integrations, so you’re getting full campaign capabilities without breaking your budget. 

Pros & Cons

• Pros:
  
  
  • Very affordable per-mailbox pricing
    
    
  • Full deliverability infrastructure (DNS, monitoring, warm-up)
    
    
  • Scales well for agencies with many inboxes
    
    
• Cons:
  
  
  • Slightly technical setup for beginners
    
    
  • No free plan, only paid slots

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Pricing

• Per Mailbox Slot: Starts at around $3–$4 per mailbox/month, depending on the plan.
  
  
• Domain Support: Flexible pricing if you scale with more domains and inboxes, without sudden jumps in cost.
  
  

How many emails can I send per plan?

• A single warmed-up inbox can safely send 40-100 cold emails per day.
  
  
• With multiple slots, agencies can scale to hundreds of cold emails daily across domains while maintaining deliverability.

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2. Instantly

Instantly is a popular cold email platform built for sales teams, agencies, and solo founders who want to send at scale. 

Unlike smaller tools that limit volume, Instantly gives you unlimited email accounts, fast campaign setup, and AI-powered deliverability controls. 

It’s best suited for users who want to run large-volume outreach while still keeping things easy to manage.

Key features

• Unlimited email account connections for higher outreach volume
  
  
• Smart deliverability tools with automatic warm-up and inbox rotation
  
  
• Advanced campaign analytics with open, click, and reply tracking
  
  

Why it’s a cheap and effective option

Instantly’s Growth plan starts at $37/month and already includes unlimited inboxes, AI warm-up, and campaign tracking. You can also test it with a free trial, making it one of the most budget-friendly ways to scale cold email without hitting enterprise costs.

Pros & Cons

• Pros:
  
  
  • Unlimited account connections
    
    
  • Powerful analytics and campaign tracking
    
    
  • Smart deliverability features built in
    
    
• Cons:
  
  
  • Higher learning curve compared to simpler tools
    
    
  • No true free plan, only paid options
    
    
  • It can feel overwhelming for very small-scale users
    
    

Pricing

• Growth Plan: Starts at around $37/month, suitable for individuals or small teams.
  
  
• Hypergrowth Plan: Costs more but allows scaling campaigns across unlimited accounts.
  

How many emails can I send per plan?

• Growth users can send 160 emails per inbox per day after warm-up.
  

With unlimited accounts, agencies can scale to thousands of daily emails, spread safely across multiple inboxes.

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3. Mailreach

Mailreach is a specialized cold email deliverability platform that gives users automated inbox warm-up, daily reputation monitoring, and spam filter testing to keep campaigns safe. 

It’s built for sales teams, agencies, and growing businesses that already run outreach but need a reliable way to make sure their emails actually reach the inbox instead of spam.

Key features

• Automated inbox warm-up with real human-like interactions
  
  
• Deliverability monitoring with inbox placement reports
  
  
• Daily health checks to keep domains and mailboxes safe
  

Why it’s a cheap and effective option

Mailreach starting at $25/month per inbox, cheaper than most enterprise deliverability tools, while still giving you reliable monitoring and automated warm-up. 

This makes it effective for teams that need consistent inbox placement without investing in heavy infrastructure.

Pros & Cons

• Pros:
  
  
  • Affordable entry point for warm-up and monitoring
    
    
  • Trusted deliverability features with daily health reports
    
    
  • Scales well for multi-inbox setups
    
    
• Cons:
  
  
  • Focused mainly on warm-up, not full outreach automation
    
    
  • Costs add up if you need many inboxes
    
    
  • Limited campaign management features
    
    

Pricing

• Starter Plan: Starts at around $25/month per inbox, good for individuals or small teams.
  
  
• Business Plan: Supports multiple inboxes at a discounted rate, ideal for agencies managing client accounts.
  

How many emails can I send per plan?

• A warmed-up inbox can send 40–100 cold emails per day safely.
  
  
• Agencies using multiple accounts can scale to hundreds of cold emails daily while keeping deliverability high.
  
  

4. Lemwarm

Lemwarm is a cold email warm-up tool built into the Lemlist ecosystem. It’s tailored for salespeople, startups, and small teams who already use Lemlist for outreach and want a built-in way to improve deliverability. 

Instead of being a standalone outreach platform, Lemwarm focuses entirely on making sure your inbox gains trust before sending real cold emails.

Key features

• Automated warm-up using real inbox interactions inside the Lemlist network
  
  
• Gradual email volume ramp-up to avoid spam filters
  
  
• Reputation tracking to show how safe your inbox is for cold outreach
  

Why it’s a cheap and effective option

As a $15/month add-on to Lemlist, Lemwarm gives you automated warm-up and reputation tracking. It’s cost-effective because you don’t need a separate tool if you already run campaigns in Lemlist.

Pros & Cons

• Pros:
  
  
  • Directly integrated into Lemlist
    
    
  • Affordable as an add-on for existing users
    
    
  • Reputation tracking makes progress easy to follow
    
    
• Cons:
  
  
  • Not available as a standalone tool (requires Lemlist)
    
    
  • Limited to warm-up only, no infrastructure features
    
    
  • Less flexible compared to dedicated warm-up platforms

Pricing

• Essential plan: At around $24/month per inbox when added to a Lemlist subscription.
  
  
• Bundled Option: Included in higher Lemlist plans, making it cost-effective if you’re already paying for outreach.
  

How many emails can I send per plan?

• Warm-up accounts gradually build up to 20–100 safe emails per day.
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• Once warmed, you can send regular cold email campaigns through Lemlist without damaging deliverability.

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5. Warmforge

Warmforge is an email warm-up and deliverability platform designed for agencies, sales teams, and businesses that want more than basic warm-up. 

It’s built for users who care about inbox placement accuracy, domain health monitoring, and long-term sending reputation. 

If your cold email campaigns are hitting spam or promotions, Warmforge gives you the infrastructure to fix it.

Key features

• AI-driven warm-up that uses real inbox activity to simulate human sending and replies
  
  
• Inbox placement testing to check whether emails land in the inbox, promotions, or spam
  
  
• Domain and DNS monitoring with alerts for blacklists and reputation issues
  
  

Why it’s a cheap and effective option

Warmforge’s plans begin at $12/month per inbox, with AI-powered warm-up and placement testing included. For agencies, this is one of the cheapest ways to keep multiple inboxes healthy without extra tools.

Pros & Cons

• Pros:
  
  
  • Includes inbox placement testing (not just warm-up)
    
    
  • Proactive domain and blacklist monitoring
    
    
  • Strong fit for agencies that manage multiple clients
    
    
• Cons:
  
  
  • More expensive than ultra-basic warm-up tools
    
    
  • Some features may be overkill for very small campaigns
    
    
  • No true free plan, only paid tiers
    
    

Pricing

• Starter Plan: From  $12/month per inbox, ideal for freelancers or single users.
  
  
• Agency Plan: Supports multiple inboxes with monitoring and testing, cost-effective for teams managing client outreach.
  

How many emails can I send per plan?

• A warmed-up inbox can safely handle 50-100 cold emails per day without hitting spam.
  
  
• With agency-level setups, teams can scale to hundreds of daily cold emails across multiple accounts while monitoring placement.
  
  

6. TrulyInbox

TrulyInbox is a peer-to-peer email warm-up platform designed for agencies and power users who manage many inboxes. 

Instead of relying on a shared warm-up network, it connects real inboxes together to send and reply naturally, making it harder for spam filters to detect automated patterns. 

It’s best for teams that want control over multiple accounts without spending heavily on complex infrastructure.

Key features

• Peer-to-peer warm-up with natural sends and replies
  
  
• Unlimited inbox connections for scaling outreach
  
  
• Dashboard to monitor warm-up progress and deliverability health
  
  

Why it’s a cheap and effective option

At $22/month, TrulyInbox offers peer-to-peer warm-up with unlimited inbox connections. 

TrulyInbox stands out because it offers unlimited warm-up capacity at a lower cost compared to per-inbox pricing models. For agencies managing dozens of accounts, this makes it one of the cheapest ways to prepare inboxes at scale.

Pros & Cons

• Pros:
  
  
  • Unlimited inbox support at a low cost
    
    
  • Natural peer-to-peer warm-up avoids automation footprints
    
    
  • Scales well for agencies managing client campaigns
    
    
• Cons:
  
  
  • No advanced deliverability monitoring, like blacklist alerts
    
    
  • Focused only on warm-up, not full campaign management
    
    
  • The learning curve when setting up multiple inboxes

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Pricing

• Starter Plan: At $22/month, suitable for individuals or small setups.
  
  
• Unlimited Plan: Affordable pricing for agencies, with unlimited inbox connections.
  
  

How many emails can I send per plan?

• Warm-up inboxes can build safely to 100+ daily emails each.
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• With unlimited connections, agencies can prepare hundreds of inboxes simultaneously, scaling outreach capacity massively.

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7. Mailforge

Mailforge is a cold email infrastructure tool built for startups, agencies, and growth teams that want more than just sending software. 

It gives you control over domains, inbox warm-up, and IPs, making sure your outreach doesn’t get stuck in spam filters. It’s best suited for teams that need affordable, reliable infrastructure to scale campaigns without deliverability issues.

Key features

• Automated domain setup with SPF, DKIM, and DMARC authentication
  
  
• AI-powered warm-up with real inbox interactions
  
  
• IP rotation support to spread sending volume safely and protect the sender's reputation
  
  
• Deliverability analytics to track inbox placement and domain health
  

Why it’s a cheap and effective option

Mailforge pricing starts at $13–15 per mailbox/month with a 10-slot minimum, plus $70 per domain yearly.

Mailforge combines affordable per-mailbox pricing with advanced infrastructure features like IP reputation tracking and automated DNS setup. 

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This makes it cheaper and simpler than building everything manually, while still strong enough for agencies handling multiple campaigns.

Pros & Cons

• Pros:
  
  
  • Low-cost entry with infrastructure-level features
    
    
  • Built-in DNS, warm-up, and IP monitoring in one place
    
    
  • Scales well for agencies with multiple clients
    
    
• Cons:
  
  
  • Reporting is more basic compared to enterprise tools
    
    
  • Some DNS setup knowledge may still be required
    
    
  • No free plan, only paid tiers

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Pricing

Domains

• Each domain is charged $70 per year (for a .com).
  
  
• Example: If you need 5 domains, that’s $350/year in domain costs.
  

Mailboxes

• Mailforge sells a minimum of 10 mailbox slots.
  
  
• Pricing:
  
  
  • $13 per mailbox/month if billed yearly.
    

How many emails can I send per plan?

• A single inbox can safely send 170 cold emails per day after warming.
  
  
• Agencies using multiple inboxes with IP rotation can scale to hundreds of daily emails across domains without burning domain reputation.
  
  

8. Saleshandy

Saleshandy is a cold email outreach platform designed for sales teams, freelancers, and small businesses that want automation with strong personalization. 

Unlike pure warm-up tools, Saleshandy focuses on building and scaling campaigns with detailed tracking and follow-up automation. 

It’s a good fit if you need both outreach and deliverability features in a single tool.

Key features

• Multi-step email sequences with automated follow-ups
  
  
• Mail merge for personalized outreach at scale
  
  
• Email tracking with real-time open, click, and reply analytics
  

Why it’s a cheap and effective option

Saleshandy starts at $24/month per user, offering multi-step sequences, mail merge, and analytics. It’s budget-friendly for sales teams that want automation and tracking in one place.

Pros & Cons

• Pros:
  
  
  
  • Affordable pricing with outreach and tracking in one tool
    
    
  • Easy setup for multi-step campaigns and follow-ups
    
    
  • Detailed analytics that show engagement clearly
    
    
• Cons:
  
  
  
  • No built-in advanced warm-up like Infraforge or Warmforge
    
    
  • Per-user pricing can get expensive for bigger teams
    
    
  • Limited deliverability monitoring compared to infrastructure-focused tools

Pricing

• Outreach starter Plan: Starts at around $25/month per user, suitable for freelancers and solo users.
  
  
• Plus Plans: Higher-tier plans with bulk sending and advanced analytics, aimed at teams scaling outreach.
  

How many emails can I send per plan?

• A single account can typically send 200–300 cold emails per day, depending on your warm-up and domain reputation.
• Teams on higher plans can expand across multiple inboxes to handle thousands of emails daily while tracking performance.

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9. SmartReach.io

SmartReach.io is a B2B cold email and outreach tool that helps small teams and startups run campaigns safely without hitting spam filters. 

What it really gives is automation for follow-ups, built-in spam testing before you send, and gradual sending to protect domain health. It also integrates with popular CRMs, so you can sync contacts and track conversations easily.

Key features

• Automated follow-up sequences with personalized templates
  
  
• Spam test and “slow ramp-up” sending to protect the domain reputation
  
  
• Integrations with CRMs like HubSpot, Zoho, and Pipedrive
  
  

Why it’s a cheap and effective option

At just $19/month to start, SmartReach.io offers deliverability-focused features that many higher-priced tools skip. It’s cost-effective because you’re not just paying for automation; you’re also getting tools that actively reduce the risk of landing in spam.

Pros & Cons

• Pros:
  
  
  • Spam testing helps improve inbox placement
    
    
  • Affordable entry plan
    
    
  • CRM integrations make it team-friendly
    
    
• Cons:
  
  
  • Limited advanced analytics
    
    
  • Not as customizable as larger enterprise platforms
    
    

Pricing

• Sales engagement Plan: $39/month, ideal for freelancers and individuals
  
  
• Business Plans: Higher tiers available for teams, with CRM integrations
  
  

How many emails can I send per plan?

Safe sending volume starts at 20–30 per day and can be scaled to 40–100 per day per inbox once warmed up.

10. Mailshake

Mailshake is a cold email automation platform built for salespeople, agencies, and marketers who need to personalize and track campaigns at scale. 

What it gives is an easy way to create multi-step email sequences, run A/B tests to optimize subject lines and content, and monitor replies in one dashboard. 

It also connects with Gmail, Outlook, and CRMs like HubSpot, making it simple to fit into existing workflows.

Key features

• Automated outreach with mail merge for personalization
  
  
• A/B testing for subject lines and email content
  
  
• Campaign analytics with click, open, and reply tracking
  

Why it’s a cheap and effective option

Mailshake balances affordability and functionality, starting at $25/month. It offers professional-grade features like A/B testing and advanced tracking that many low-cost tools don’t include, making it a smart choice for small businesses and agencies.

Pros & Cons

• Pros:
  
  
  • Affordable with strong outreach automation
    
    
  • Built-in A/B testing for optimization
    
    
  • Detailed analytics dashboard
    
    
• Cons:
  
  
  • No built-in warm-up (needs an external warm-up tool)
    
    
  • Higher-tier features require more expensive plans

Pricing

• Starter Plan: $25/month when billed annually
  
  
• Email Outreach Plans: Higher tiers for $45, $85 per month with advanced analytics and multi-channel outreach
  
  

How many emails can I send per plan?

• After warming up, safe sending capacity is around 40–100 cold emails per inbox per day, scaling higher with established domains and multiple inboxes.
  
  

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How to Choose the Right Affordable Tool for You

Picking the right cold email tool really depends on your setup. We’ve tested enough of these to know that what works for a solo freelancer isn’t always right for an agency running dozens of inboxes. 

That’s why we broke it down by use case, so you can match the tool to your budget, volume, and goals instead of guessing.

Conclusion

When it comes to affordable cold email software, the right choice really depends on how you plan to grow. 

Some tools keep things simple with sequences and tracking, while others focus more on deliverability and scaling. 

What matters most is finding something that not only fits your budget but also supports your long-term outreach goals.

If affordability matters but you also want the peace of mind that your infrastructure is handled, Infraforge is the option that quietly stands out. 

Infraforge goes beyond just sending emails; it quietly handles the background work like DNS setup, inbox warm-up, IP rotation, and deliverability monitoring. 

It means you can focus on campaigns while the technical side is already taken care of, making it easier to scale safely without overspending.

👉 You can explore Infraforge to see if it fits your outreach setup.