Mailbutler vs Process Street Comparison: Reviews, Features, Pricing & Alternatives in 2026

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

Updated Apr 2026 8 min read

Mailbutler

0.0 (0 reviews)

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.

Starting at Free
Free Trial 14 days
VS

Process Street

0.0 (0 reviews)

Process Street is a modern process management platform that helps you create, track, and automate core business workflows through interactive checklists to ensure your team follows consistent operating procedures.

Starting at Free
Free Trial 14 days

Quick Comparison

Feature Mailbutler Process Street
Website mailbutler.io process.st
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 ✘ No product demo ✓ Request demo here
Deployment cloud mobile desktop cloud mobile
Integrations Gmail Apple Mail Microsoft Outlook Todoist Asana Trello Slack Evernote OneNote Google Drive Slack Zapier Salesforce Google Drive DocuSign Microsoft Teams HubSpot Trello Airtable Dropbox
Target Users freelancer solopreneur small-business small-business mid-market enterprise
Target Industries
Customer Count 0 0
Founded Year 2015 2014
Headquarters Berlin, Germany San Francisco, USA

Overview

M

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.

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Process Street

Process Street is a simple way for you to manage your team's recurring checklists and procedures. Instead of static documents that sit in a folder, you get interactive workflows that guide your team through every step of a task. You can create rich documents with images, videos, and form fields to capture data as work happens, ensuring nothing falls through the cracks during complex operations.

You can use it for everything from employee onboarding and client setups to content approvals and safety inspections. The platform helps you maintain high standards by providing visibility into who is doing what and when. It scales with your needs, offering a free version for individuals and robust paid plans for teams that need advanced automation, conditional logic, and role-based permissions.

Overview

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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.
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Process Street Features

  • Interactive Checklists. Turn your static SOPs into live checklists where you can track progress and ensure your team follows every step.
  • Conditional Logic. Create truly dynamic workflows that automatically adapt and show or hide tasks based on the data you enter.
  • Collaborative Approvals. Streamline your decision-making by setting up single or multi-stage approval flows for any task or document.
  • Data Capture Forms. Collect structured data within your workflows using form fields, then sync that information directly to your other tools.
  • Task Assignments. Assign specific steps to different team members and set dynamic due dates to keep your projects on schedule.
  • Workflow Automations. Connect your processes to thousands of apps to trigger actions automatically and eliminate manual data entry.

Pricing Comparison

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Mailbutler Pricing

Free
$0
  • Basic email tracking
  • Limited AI Assistant usage
  • Email signatures
  • Undo send functionality
  • Attachment reminders
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Process Street Pricing

Free
$0
  • 1 active workflow
  • Unlimited pages
  • Unlimited storage (5MB/file)
  • Email support
  • Standard templates

Pros & Cons

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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
A

Process Street

Pros

  • Intuitive interface makes creating complex workflows simple
  • Conditional logic handles complicated business rules easily
  • Strong integration capabilities with Zapier and Slack
  • Excellent for maintaining consistency across remote teams

Cons

  • Pricing can be high for very small teams
  • Mobile app experience is less robust than desktop
  • Steep learning curve for advanced automation features
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