Apollo.io vs Mailshake Comparison: Reviews, Features, Pricing & Alternatives in 2026

Detailed side-by-side comparison to help you choose the right solution for your team

Updated May 2026 8 min read

Apollo.io

0.0 (0 reviews)

Apollo.io is an all-in-one sales intelligence and engagement platform that helps you find, contact, and close your ideal customers using a massive database of verified business contacts.

Starting at Free
Free Trial 14 days
VS

Mailshake

0.0 (0 reviews)

Mailshake is a sales engagement software that helps you automate personalized cold email outreach, track engagement, and manage lead follow-ups to scale your outbound sales and book more meetings.

Starting at $29/mo
Free Trial NO FREE TRIAL

Quick Comparison

Feature Apollo.io Mailshake
Website apollo.io mailshake.com
Pricing Model Freemium Subscription
Starting Price Free $29/month
FREE Trial ✓ 14 days free trial ✘ No free trial
Free Plan ✓ Has free plan ✘ No free plan
Product Demo ✓ Request demo here ✓ Request demo here
Deployment saas mobile cloud
Integrations Salesforce HubSpot Slack Gmail Outlook LinkedIn Zapier Marketo Pipedrive Copper Gmail Outlook Salesforce HubSpot Pipedrive Zapier Slack Calendly
Target Users solopreneur small-business mid-market enterprise small-business mid-market solopreneur
Target Industries
Customer Count 0 0
Founded Year 2015 2015
Headquarters San Francisco, USA Austin, USA

Overview

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Apollo.io

Apollo.io is a comprehensive sales intelligence and engagement platform designed to help you streamline your entire outbound sales process. You can access a database of over 275 million contacts to find your ideal prospects and use built-in engagement tools to reach out to them directly. It eliminates the need for multiple disconnected tools by combining lead sourcing, email sequencing, and task management into a single interface.

You can automate your outreach with personalized email sequences and track every interaction to see what resonates with your audience. The platform also provides AI-powered insights to help you prioritize high-value leads and improve your conversion rates. Whether you are a solo founder or part of a large enterprise sales team, you can use these tools to build a predictable pipeline and hit your revenue targets faster.

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Mailshake

Mailshake is a sales engagement platform designed to help you automate your outbound outreach at scale. You can send personalized cold emails, monitor opens and clicks, and set up automated follow-up sequences that stop once a lead replies. It simplifies the process of managing high-volume prospecting while maintaining a personal touch that keeps your emails out of the spam folder.

The platform integrates directly with your existing Gmail, Outlook, or SMTP email accounts to ensure high deliverability. You can manage your entire sales pipeline from a single dashboard, making it an ideal solution for sales development reps, founders, and agencies who need to generate more leads without spending hours on manual manual follow-ups.

Overview

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Apollo.io Features

  • B2B Contact Database Access over 275 million verified contacts and 73 million companies to build highly targeted lead lists for your outreach.
  • AI Writing Assistant Generate personalized cold emails in seconds using AI that adapts to your brand voice and prospect's specific pain points.
  • Automated Sequences Create multi-step outreach campaigns across email, phone, and LinkedIn to stay top-of-mind with your prospects automatically.
  • LinkedIn Extension Find direct phone numbers and verified email addresses while browsing LinkedIn profiles without ever leaving your browser tab.
  • Lead Scoring Use AI-driven insights to rank your leads based on their likelihood to buy so you focus on the best opportunities.
  • Built-in Dialer Make calls directly from the platform with local presence numbers and automatic call logging to keep your CRM updated.
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Mailshake Features

  • Automated Email Sequences. Schedule personalized email sequences and automated follow-ups that trigger based on your prospect's behavior or time intervals.
  • Mailshield Cleaning. Verify your email lists automatically to reduce bounce rates and protect your sender reputation before you hit send.
  • Lead Driver. Manage all your lead interactions in one place and track which prospects are most engaged with your content.
  • Personalization Tags. Use powerful mail merge features to insert custom text, links, and images for every recipient in your campaign.
  • A/B Testing. Test different subject lines and email body copy to see which versions generate the most replies and conversions.
  • Native Phone Dialer. Make cold calls directly from your browser and log your call outcomes alongside your email activity for a multi-channel approach.

Pricing Comparison

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Apollo.io Pricing

Free
$0
  • 10,000 email credits/month
  • 60 mobile credits/year
  • Basic sequence automation
  • LinkedIn extension
  • Gmail and Outlook integration
M

Mailshake Pricing

Starter
$29
  • Connect 1 email account
  • 1,500 emails per month
  • Email personalization
  • Automated follow-ups
  • AI Email Writer
  • Gmail/Outlook/SMTP integrations

Pros & Cons

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Apollo.io

Pros

  • Massive database with high contact accuracy
  • Excellent browser extension for LinkedIn prospecting
  • Combines data and engagement in one tool
  • Very generous free tier for new users

Cons

  • Occasional bugs in the sequence automation
  • Customer support response times can be slow
  • Learning curve for complex filtering options
A

Mailshake

Pros

  • Extremely intuitive interface that is easy to navigate
  • Excellent deliverability rates with built-in warm-up tools
  • Simple setup process for Gmail and Outlook users
  • Effective automated follow-ups that increase reply rates

Cons

  • No free trial available to test features
  • Daily sending limits can be restrictive for some
  • Limited reporting depth on the entry-level tier
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