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Smart Assistant

An AI-powered email productivity extension for Outlook, Gmail, and Apple Mail.

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Intro

What is Smart Assistant?

Mailbutler, developed by Mailbutler GmbH, is a productivity email extension designed for Apple Mail, Gmail, and Outlook. Acting as a comprehensive email tracker and email opened tracker, it helps users optimize their daily communication. Whether you want to get Mailbutler as an outlook email tracker or are seeking an alternative to tools like mailtrack for apple mail, this plugin integrates into your workflow. It features an AI-powered assistant to compose messages, summarize threads, schedule emails, and organize tasks.

Smart Assistant at a glance
Starts at $3.95/mo53K monthly visitsPaid access

Category

AI SummarizerAI Email Assistant
Best For

Best Smart Assistant use cases by task, role, industry, and platform

These use cases show where Smart Assistant fits best, ranked by fit score before popularity or pricing.

Email ManagementSort inboxes, summarize threads, draft replies, and track follow-ups for email management.98ProductivityPrioritize tasks, summarize information, automate routine steps, and keep personal or team workflows organized.95Inbox ManagementOrganize high-volume emails, draft quick replies, sort incoming messages, and prioritize urgent requests to maintain zero inbox.95Business ProductivityBusiness productivity organizes messages, documents into organized tasks, status summaries during administration, coordination.92Task ManagementTask management organizes messages, documents into organized tasks, status summaries during administration, coordination.85Contact ManagementOrganize, update, deduplicate, and segment customer details and communication histories across team databases efficiently.80Grammar CheckGrammar check helps teams polish meeting notes, document drafts, task lists, and review comments into practical review notes.70
Pricing

Smart Assistant Pricing Plans

Compare Smart Assistant free options, Smart Assistant paid pricing plans, and usage notes before you choose the best way to use this AI tool in 2026.

Starts at $3.95/mo

$3.95 per user/month

Includes open tracking, link tracking, mobile tracking, and customizable tracking settings.

$7.95 per user/month

Everything in Tracking, plus smart send later, custom signatures, email templates, tags, contacts, and collaboration features.

$12.95 per user/month

Everything in Professional, plus the AI-powered Smart Assistant, detailed open tracking history, recipient optimization, and task automation.

$29.95 per user/month

Everything in Smart, plus priority support, tracking IP blacklisting, custom subdomains, and custom HTML signatures/templates.

Pricing updated:Jun 12, 2026

Features

Smart Assistant AI Features

Email and Link Tracking with real-time notifications and open detailsSmart Send Later for scheduled delivery and send-time optimizationSmart Assistant for AI-powered email writing, improvement, and summarizationCustomizable Email Signatures with pre-designed templates and CTA integrationTasks and Notes management linked directly to emails and contactsDynamic Message Templates with placeholders and HTML design optionsShared Inbox Collaboration including email assignment and shared notes
Pros & Cons

Smart Assistant Pros and Cons

Pros

  • Seamless integration directly into Outlook, Gmail, and Apple Mail
  • Robust, GDPR-compliant security with servers located in Germany
  • Excellent cross-platform support and team collaboration features
  • A 14-day free trial with access to all features and no credit card required

Limitations

  • Does not support older Apple Mail versions (prior to macOS 10.13)
  • Advanced options like custom tracking subdomains and HTML design are locked behind higher tiers

Smart Assistant FAQ

Mailbutler is an excellent choice for tracking sent messages on macOS. It integrates as a plugin into Apple Mail, providing you with detailed information on when, where, and on which device your emails were opened.

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