Apollo.io
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.
Mailbutler
Mailbutler is an email productivity extension for Apple Mail, Gmail, and Outlook that provides tracking, scheduling, and signature management to help you handle your inbox more effectively.
Quick Comparison
| Feature | Apollo.io | Mailbutler |
|---|---|---|
| Website | apollo.io | mailbutler.io |
| Pricing Model | Freemium | Freemium |
| Starting Price | Free | Free |
| FREE Trial | ✓ 14 days free trial | ✓ 14 days free trial |
| Free Plan | ✓ Has free plan | ✓ Has free plan |
| Product Demo | ✓ Request demo here | ✘ No product demo |
| Deployment | ||
| Integrations | ||
| Target Users | ||
| Target Industries | ||
| Customer Count | 0 | 0 |
| Founded Year | 2015 | 2015 |
| Headquarters | San Francisco, USA | Berlin, Germany |
Overview
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.
Mailbutler
Mailbutler is an email extension that integrates directly into your existing inbox to help you manage communication more professionally. Instead of switching between different apps, you get advanced features like email tracking, send later, and professional signatures right inside Apple Mail, Gmail, or Outlook. It helps you stay organized by allowing you to attach private notes and tasks to specific emails so you never lose track of important follow-ups.
You can also use the built-in AI assistant to draft emails, summarize long threads, and improve your writing style instantly. The software is designed for freelancers, sales professionals, and small teams who need to maintain a high level of email productivity without leaving their preferred email client. It offers a 14-day free trial and a permanent free plan for basic needs.
Overview
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.
Mailbutler Features
- Email Tracking. See exactly when and where your emails were opened and which links were clicked to time your follow-ups perfectly.
- Smart Send Later. Schedule your emails to be sent at specific times so they land at the top of your recipient's inbox.
- Professional Signatures. Create and manage beautiful, branded email signatures with ease to maintain a consistent professional image for your brand.
- Email AI Assistant. Draft replies, summarize long conversations, and fix spelling or grammar errors automatically using integrated artificial intelligence.
- Notes and Tasks. Attach private notes and actionable tasks directly to your emails so you remember every important detail and deadline.
- Message Templates. Save your most-used messages as templates to send personalized responses in seconds rather than typing them repeatedly.
Pricing Comparison
Apollo.io Pricing
- 10,000 email credits/month
- 60 mobile credits/year
- Basic sequence automation
- LinkedIn extension
- Gmail and Outlook integration
- Everything in Free, plus:
- Unlimited email credits
- 900 mobile credits/year
- No limit on sequence records
- Advanced filters and saved views
- HubSpot and Salesforce integration
Mailbutler Pricing
- Basic email tracking
- Limited AI Assistant usage
- Email signatures
- Undo send functionality
- Attachment reminders
- Everything in Free, plus:
- Unlimited email tracking
- Real-time open notifications
- Link tracking details
- Tracking details dashboard
- Mobile app integration
Pros & Cons
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
Mailbutler
Pros
- Integrates directly into your existing email client
- Excellent tracking accuracy for opens and clicks
- Very easy to set up and use immediately
- Professional signature templates look great on all devices
Cons
- Requires a browser or mail extension to function
- AI features require a higher-tier paid subscription
- Mobile functionality is more limited than desktop version