Top AI Email Assistants for Managing Your Inbox in 2025

90% of the respondents to a recent Wakefield Research survey opined that handling emails daily was one of the unpleasant tasks at work. 

As a leader, manager, business owner, or consultant, you likely spend hours sorting through messages, prioritizing responses, and crafting well-written emails. This constant cycle eats into your productivity, leaving little time for high-value work.

AI email assistants offer a solution by automating repetitive tasks, categorizing messages, and even drafting responses. With advanced machine learning, these tools can help you regain control over your inbox, allowing you to focus on important tasks. But with so many options available, how do you choose the right one? 

This guide explores the key features to look for and reviews some of the best AI email assistants on the market today.

Top AI Email Assistants

AI email assistants have revolutionized email management by automating tasks such as drafting responses, scheduling emails, and organizing inboxes. In 2025, leading tools like NewMail, SaneBox, and Hiver offer advanced features to enhance productivity and streamline communication.

1. NewMail - Proactive AI Email Assistant

NewMail is your proactive executive AI agent. Designed to work seamlessly within Gmail, AppleMail, Google Calendar, and Google Tasks, NewMail simplifies inbox management into a personalized, automated experience. It is an ideal solution for professionals seeking a hassle-free way of managing their inboxes.

Key Features 

• AI-Driven Categorization – Leverages AI to understand your email preferences, automatically sorting messages into three color-coded folders: Urgent, Important, and Interesting.

• Advanced Email Management – NewMail’s assistant automatically flags or stars emails, allowing you to prioritize your most important messages without your personal intervention each time.

• AI-driven Auto Scheduling – Automatically organizes emails and meetings by analyzing your calendar and priority tasks, minimizing scheduling conflicts.

• AI-driven Task Management – Automatically detects actionable items within your email and adds them to your calendar so you can stay on top of your tasks.

• Intelligent Sorting System – Sorts by training on your daily influx of emails, refining its sorting capabilities. 

• Robust Privacy & Security – As part of NewMail’s commitment to privacy-centric design, no personal data is stored anywhere on its servers. 

• Free Trial Available – Test NewMail’s premium features with a 30-day free trial using code BLOG30.

2. SaneBox: Best for Inbox Management and Prioritization

SaneBox is one of the most well-known AI email assistants, designed to help professionals regain control over their inboxes. It uses AI to analyze incoming emails and categorize them based on priority.

Key Features

• Automatic Email Sorting: Moves unimportant emails to separate folders, allowing you to focus on high-priority messages.

• Do Not Disturb Mode: Enables you to pause non-urgent emails and check them at a convenient time.

• Daily Digest Summary: Provides a recap of important emails so you can scan them quickly.

• Cross-Platform Support: Works with IMAP and Exchange accounts, making it compatible with most email services.

• 14-Day Free Trial: Allows you to test its features before committing to a subscription.

3. Superhuman: Best for Combining AI and Message Templates

Superhuman is an ultra-fast email platform that enhances productivity with AI-driven automation and customizable templates. It’s designed for busy professionals who need to handle emails efficiently.

Key Features

• AI-Powered Email Drafting: Uses AI to help you craft polished, professional emails in seconds.

• Time-Saving Shortcuts: Enables rapid email navigation and processing with keyboard shortcuts.

• Customizable Message Templates: Allows you to create reusable responses for frequent inquiries.

• Premium Pricing: Higher cost compared to competitors, but ideal for professionals prioritizing speed and efficiency.

4. Compose AI: Best for Free AI Writing Assistance

Compose AI is an AI-powered writing assistant that simplifies email composition through auto-completion and content generation. It’s an excellent choice for professionals who frequently draft emails but want to speed up the process.

Key Features

• Autocompletion for Emails: Reduces typing time by suggesting phrases and sentences.

• AI-Generated Content: Helps craft emails, replies, and formal business communication.

• Context-Aware Suggestions: Adapts to the conversation style, ensuring responses feel natural.

• Free Plan Available: Offers a basic version at no cost, with premium upgrades for advanced features.

5. Mailbutler: Best for Gathering Contacts and Tasks

Mailbutler is an AI-powered email productivity tool that integrates seamlessly with major email clients. It’s especially useful for professionals who need to manage contacts and tasks directly from their inbox.

Key Features

• Smart Contact Management: Extracts data from email signatures and saves it in an organized format.

• Task Integration: Converts emails into tasks, helping you manage follow-ups efficiently.

• Email Tracking: Notifies you when recipients open your emails, improving response management.

• Cross-Platform Compatibility: Works with Gmail, Apple Mail, and Outlook.

• Free Plan Available: Schedule emails, set follow-up reminders and use the collaborators feature.

6. Canary Mail

Canary Mail is an AI-powered email client available across multiple platforms, including Windows, macOS, Android, and iOS. It leverages advanced AI capabilities to assist users in managing their emails efficiently.

Key Features

• Copilot Functionality: Utilizes AI to help users write, summarize, and prioritize emails, enhancing communication efficiency.

• Cross-Platform Availability: Accessible on various devices, ensuring seamless email management across different operating systems.

• Enhanced Security: Offers end-to-end encryption and supports encrypted emails with or without PGP, ensuring privacy and data protection.

• Customizable Notifications: Allows users to set personalized alerts, ensuring important emails are promptly addressed.

• Built-in Calendar Integration: Incorporates scheduling features within the email client, streamlining event planning and management.

• Free Plan Available: Offers basic tools and AI features.

7. Conversica

Conversica provides AI-driven conversational software designed to engage customers through email, chat, and SMS, automating routine communications and enhancing customer interactions.

Key Features

• AI Assistants: Automates two-way conversations, handling inquiries and follow-ups without human intervention.

• Multichannel Engagement: Engages customers across email, chat, and SMS, ensuring consistent communication.

• CRM Integration: Seamlessly integrates with various Customer Relationship Management systems, enhancing data synchronization and workflow efficiency.

• Lead Qualification: Identifies and prioritizes potential leads, streamlining the sales process.

8. Braina

Braina is a virtual assistant and speech-to-text dictation application for Windows, offering AI-powered assistance for various tasks, including email management.

Key Features

• Customizable Automation: Enables the creation of custom voice commands to perform tasks such as opening emails or executing macros.

• Language Model Integration: Provides a voice interface for several large language models, improving data privacy and response accuracy.

• Persistent Memory Support: Retains context from previous interactions, allowing for more coherent and context-aware responses.

• Free Plan Available: Avail of Notes feature and Task Schedule

9. Spike

Spike transforms traditional email into a chat-like, conversational experience, integrating email with real-time messaging and collaboration tools.

Key Features

• Conversational Email: Converts emails into chat-like conversations, making communication more intuitive and efficient.

• Magic AI Assistant: Offers AI-driven assistance for customized email creation, document summarization, and content generation.

• Collaborative Tools: Includes integrated video meetings, real-time document collaboration, and task management features.

• Unified Inbox: Consolidates multiple email accounts into a single, organized inbox for streamlined management.

• Priority Inbox: Automatically sorts and prioritizes emails, ensuring that important messages receive immediate attention.

• Free Plan Available: Includes smart inbox, email organization and collaboration tools.

10. Notion Mail

Notion, renowned for its comprehensive productivity suite, has introduced Notion Mail, a highly customizable email application. This app allows users to tailor their email experience, integrating seamlessly with Notion's existing tools.

Key Features

• Customizable Interface: Personalize your inbox with unique views and layouts to suit your workflow.

• AI-Powered Automation: Utilize Notion AI to organize, archive, and draft emails, as well as schedule meetings efficiently.

• Seamless Integration: Syncs effortlessly with Notion's Calendar app and supports Google/Gmail accounts for unified management.

• Mobile Accessibility: Available on both iPhone and Android devices, ensuring productivity on the go.

• Free Plan Available: Offers unlimited pages and blocks and basic page analytics.

What to Look for in an AI Email Assistant?

Not all AI-powered email assistants are created equal. To make the most of these tools, consider their functionality and how well they align with your workflow. Here are some essential features to prioritize.

1. Smart Inbox Sorting and Prioritization

• AI-driven categorization helps you focus on important emails while filtering out distractions.

• Features like priority inboxes, automatic labeling, and spam detection ensure you only see relevant messages.

• Some tools offer daily digests summarizing key emails, so you don’t have to sift through everything manually.

2. Email Automation and AI-Generated Responses

• AI-powered assistants can generate email responses based on past writing styles.

• Autocomplete and suggested replies speed up email composition, reducing the time spent crafting messages.

• Advanced automation features allow you to schedule emails, set follow-up reminders, and even auto-forward messages based on content.

3. Task and Contact Management

• Many AI assistants integrate with task management tools, letting you convert emails into to-dos instantly.

• Some extract contact information from email signatures, making it easier to organize professional connections.

• Built-in reminders and scheduling tools help ensure you follow up on important emails at the right time.

4. Seamless Integration with Email Platforms

• AI email assistants should work smoothly with Gmail, Apple Mail, Outlook, and other common email services.

• Browser extensions and mobile apps provide flexibility across devices.

• API support for integrating with CRM systems and productivity tools enhances workflow efficiency.

Now that you know what to look for, let’s explore the top AI email assistants that can transform your inbox.

Conclusion

Email overload is a common challenge for industry professionals, but AI email assistants provide a powerful way to streamline inbox management. 

When choosing the right AI assistant, consider what’s most important to your workflow. Tools like NewMail offer free trials or plans, making it easy to test them before committing.

As your proactive executive AI assistant, NewMail organizes, prioritizes, and optimizes your emails for maximum efficiency. From categorizing messages based on importance to drafting smart, time-saving replies, NewMail is designed to make email management simpler for you. With your inbox in order, you can dedicate your energy to driving impact and achieving your goals.

Get NewMail Now!