Reply IO vs Mailshake: Boost Email Deliverability in 2025

Are you tired of your sales emails landing in spam?

Frustrated with low open rates? You’re not alone.

Getting your emails delivered is crucial in today’s competitive world.

That’s where powerful tools like Reply.io and Mailshake come in.

They help you create effective email campaigns that reach your prospects’ inboxes. 

In this article, we’ll compare Reply IO vs Mailshake.

We’ll examine their features and help you choose the right one to improve your email deliverability in 2025.

Reply IO vs Mailshake Overview

We’ve spent weeks testing both Reply.io and Mailshake to give you the most accurate comparison. 

We dove deep into their features, analyzed their pricing, and even sent test email campaigns to see which platform performed best. 

Now, we’re sharing our findings to help you make an informed decision.

What is Reply IO?

Have you ever wished you could automate your email outreach? That’s precisely what Reply.io does!

It’s a sales engagement platform. It helps you connect with more prospects.

You can build automated email sequences. It also offers a bunch of other cool features.

Think of it as your assistant for sales outreach. Pretty neat, right?

Key Benefits

• Multi-channel outreach: Connect with prospects through email, calls, LinkedIn, and even WhatsApp.
• AI-powered sequences: Create personalized email sequences that adapt to your prospect’s behavior.
• Powerful analytics: Track your progress and identify areas for improvement with detailed reports.
• Team collaboration: Work seamlessly with your team to manage leads and close deals faster.

Pricing

Reply.io offers a variety of plans to fit your needs and budget.

• Email Volume: $59/month
• Multichannel: $99/month
• Agency: $210/month

What is Mailshake?

Need to send a bunch of emails? Mailshake makes it easy!

It’s a sales engagement tool built for cold outreach. You can personalize emails at scale.

It helps you automate follow-ups. Mailshake even has tools to warm up your email.

This helps improve your deliverability. Sounds pretty handy, right?

Key Benefits

• AI-Powered Email Writing: Stuck in a writer’s block? Mailshake’s AI email writer can help you craft compelling emails in seconds.
• Automated Follow-ups: Never let a lead slip through the cracks. Mailshake automatically sends follow-up emails so you can stay top-of-mind.
• A/B Testing: Not sure which subject line will perform best? Mailshake lets you A/B test different versions of your emails to see what resonates with your audience.
• Lead Catcher: Capture leads from anywhere on the web with their handy Chrome extension.

Pricing

Mailshake keeps its pricing simple with two main plans:

• Starter: Starts at $29/month.
• Email Outreach: $49/month
• Sales Engagement: Starts at $99/month.

Reply IO vs Mailshake Feature Comparison

Let’s dive into the nitty-gritty and see how these platforms stack up against each other feature by feature.

This will help you see which one comes out on top for your specific needs.

Email Templates

Reply.io and Mailshake offer a library of email templates to get you started. 

But they each have a unique flavor.

Reply.io provides more variety with templates for outreach campaigns and sales automation tasks. 

Mailshake offers a smaller selection but focuses on templates for cold outreach and lead generation.

If you need a Mailshake alternative with more template options, Reply.io might be a good fit.

Personalization

Want to make your emails feel personal?

Both tools let you create personalized emails at scale.

They use merge tags to insert details like the recipient’s name and company.

Reply.io takes personalization further with AI-powered features that suggest personalized icebreakers and content.

Multichannel Outreach

Reply.io lets you connect with prospects across multiple channels.

You can use email, LinkedIn, calls, and even WhatsApp.

This helps you reach your sales team’s goals faster.

Mailshake primarily focuses on email outreach efforts. However, Reply.io is the winner if you want an accurate multichannel approach.

Email Warm-Up

Are you worried about your emails landing in spam?

Both platforms offer email warm-up tools to improve your sender reputation and enable users to reach the inbox.

They gradually increase your sending volume to avoid triggering spam filters.

This is a must-have for any outbound sales strategy.

A/B Testing

Want to find the best-performing message? Mailshake has robust A/B testing features.

You can test different type of subject lines, email content, & sending times.

This helps you optimize the campaigns for better results.

While Reply.io offers some A/B testing, it’s not as comprehensive as Mailshake’s.

CRM Integration

Reply.io has strong CRM integration with popular platforms like Salesforce and HubSpot.

This helps you keep all your customer data in one place. Mailshake’s CRM integrations are more limited.

Social Selling

Want to leverage LinkedIn for social selling?

Reply.io has built-in tools to help you connect with prospects and automate LinkedIn outreach.

Mailshake currently doesn’t offer any social selling features.

Pricing

Remember that pricing for both tools is per user per month.

Reply.io starts at $59, while Mailshake begins at $29.

Consider your budget and the features you need when making your decision.

What to Look for in an Email Warm-up Tool?

• Warm-up Automation: The tool should automate warm-up emails, increasing your sending volume over time.
• Deliverability Monitoring: Look for features that monitor your sender reputation and email deliverability metrics.
• Customization Options: The tool should simply allow you to customize warm-up emails and send schedules based on your needs.
• Integration with Email Providers: Ensure the tool seamlessly integrates with your existing email provider (e.g., Gmail or Outlook).
• Spam Filter Testing: Some tools test your emails against spam filters to identify potential issues before you send them.
• Reporting and Analytics: Track your progress of warm-up and see how it’s impacting your deliverability.

Final Verdict

Choosing between Mailshake and Reply.io depends on your needs.

Both are excellent tools with a lot to offer. But for most sales teams, we recommend Reply.io.

It offers slightly better deliverability and more advanced features.

This is important for managing a large number of email addresses.

Plus, its AI features can boost your outreach.

We’ve helped hundreds of businesses optimize their email outreach and seen firsthand how the right tools can make a huge difference.

Reply.io gives you the best chance of success. But don’t just take our word for it.

Try both platforms yourself with their free trials!

Frequently Asked Questions