Back to blog

What Is the Best AI Email Assistant? Our Top 5 Contenders for 2024

Learn how AI is used in email, how to determine the best AI email assistant, and our top five picks for 2024.

Tiffany Lewis
Writer at Motion
Apr 22, 2024
Table of contents

Tired of drowning in emails?

As a small business owner juggling various responsibilities, your time is precious. Keeping up with a never-ending inbox while trying to run your business smoothly is a struggle.

That's why finding the right AI-powered email assistant can be a game-changer. The right AI tool can transform how you manage your inbox and communicate with clients.

But with so many options, knowing which is worth your time and money is hard.

Luckily, we've researched for you. This post highlights the best AI email assistants. These solutions make writing emails a breeze and are flexible enough to address your business's unique needs.

Whether you're looking to save time, improve communication with your team, or just stay sane, we've got you covered.

CTA Template

Use AI to balance your day with Motion

Sign up now to get started

Get Started

How is AI used in email?

Artificial Intelligence has revolutionized how we do business, including email management. It enhances email interactions by automating mundane tasks, improving efficiency, and providing valuable insights into email content and interactions.

Personalized auto-replies and automated sequences

Analyzing email content to generate personalized responses or trigger automated email sequences based on predefined rules or user preferences.

Task management

Extracting and managing tasks mentioned in emails by integrating with task management tools or sending reminders.


Analyzing email content to suggest and schedule meetings, appointments, or follow-ups, streamlining the scheduling process.

Email drafting and writing assistance

Drafting emails, offering grammar and tone suggestions, and learning from your writing style over time to provide more personalized recommendations.

Inbox organization

Categorizing and prioritizing emails based on content, sender, or importance so you can focus on critical emails first.

Email summarization

Summarizing long emails saves time and provides a quick overview of the email message.

Sentiment analysis

Analyzing the sentiment of incoming emails and helping you gauge the tone so you can respond appropriately.

Data detection and extraction

Identifying and extracting critical information such as dates, email addresses, or contact details from emails, reducing manual effort.

List management and segmentation

Managing and segmenting email lists based on various criteria, improving the targeting of email campaigns.

AI managing emails

‎According to recent statistics on the use of AI for email and business in general:

  • 75% of professionals wish to use AI for content writing, email, and task automation.
  • 28% of marketers use AI to create email copy and reply to emails.
  • 46% of US companies claim to use AI tools such as ChatGPT, virtual assistants, and chatbots
  • 61% of businesses use AI to optimize their emails, and 46% believe ChatGPT can help streamline communication between colleagues. Businesses also expect AI to help reduce errors, decrease response times, streamline processes, cut costs, and increase productivity.
  • 52% of marketers using AI tools experienced increased speed and efficiency of workflows and processes; 51% benefitted from AI data processing.
  • 50% of US and European email marketers believe that AI-supported email marketing is more effective than non-AI-supported email marketing.
  • Most consumers are concerned about businesses' usage of AI, but most will still trust businesses that use AI. Over 75% are worried about misinformation from AI.

Considering all that AI is capable of and how it’s already benefiting professionals across the board, you aren’t wrong to want to leverage this technology.

From tools like Motion that use AI to balance workloads, manage tasks, and build schedules to the tools on our list that use AI to improve email interactions and reduce inbox bloat, AI platforms abound to make your life and work easier.

However, choosing the best tool for your needs is crucial to ensure your money and onboarding time are well spent.

What to look for in the best AI email assistant

When selecting the best AI email assistant for your needs, consider several key criteria:

Integration with email client

Choose an email AI assistant that seamlessly integrates with your preferred email client, such as Gmail or Outlook. This ensures a smooth transition and minimal workflow disruption.

User experience

Look for an assistant that’s user-friendly and easy to navigate. It should enhance your email experience, not complicate it.

Email management features

Consider the email management features offered by the email tools you're considering. These include automatic email categorization, smart replies, and email scheduling. These features significantly improve your efficiency and productivity.

Data privacy and security

Ensure the AI email assistant adheres to strict data privacy regulations and uses robust security measures to safeguard sensitive information. Check for features like end-to-end encryption and data anonymization.

What is the best AI email assistant?

Here are our top five picks for the best AI email assistants in 2024. Some help draft email copy, and others help with inbox management. Some even integrate email management with AI task manager software and team collaboration.

All of these AI email assistants would partner well with an AI-powered personal assistant like Motion that seamlessly manages your work schedule. But before checking out the tool that can simplify your schedule this week, check out the AI tools that can simplify your email today.

Best for automation of frequent daily email communication: Flowrite

Available on: Web app, Chrome extension

Flowrite is an AI-powered message generator designed to streamline communication and enhance productivity. It boasts many features that help users write emails more efficiently and effectively.

Flowrite’s main feature is generative AI. Give Flowrite brief instructions, then activate it to generate your personalized message instantly. It also integrates with email and messaging hosts to analyze the content of received messages and draft replies accordingly.

Informing Flowrite of your job role, company, and preferences helps Flowrite personalize further. It even provides personalized alternative drafts for you to choose from. Additionally, Flowrite can help users draft new emails by providing suggestions for content, tone, and structure.

Key features:

  • Integration with 20+ apps, including Gmail, Outlook, Salesforce, LinkedIn, and Google Drive, as well as custom integrations
  • Collection of Large Language Models (LLMs) to choose from
  • No-code automation
  • Draft rules and constraints
  • Custom identity and defaults
  • Three high-quality personalized draft alternatives
  • Tone selector
  • Template gallery for the most common professional messages across roles and industries
  • Automatic info detection and extraction for drafting informed personalized responses, including follow-up questions
  • Support for 20+ languages
  • Email and messaging metrics to view time spent, time saved, and typing speed
  • Message history

Pricing (billed annually):

Light plan: $4 per month for 200 messages per year

Premium plan: $12 per month for 2,000 messages per year

Unlimited plan: $24 per month for unlimited messages

Enterprise: Contact for pricing

All plans include a 14-day free trial, no credit card required.

Best for team collaboration: Missive

Available on: Web app, Windows, macOS, Android, iOS

Missive is a collaborative email app that integrates various communication channels into a unified workspace.

One of Missive's key features is its shared inbox, which allows team members to collaborate on incoming emails in real time. You can assign emails to specific team members, add comments, and discuss email threads internally without leaving the app. This feature helps teams work more efficiently and ensures everyone is on the same page.

Missive also offers robust email management tools to help users stay organized and productive. You can schedule emails to send later, set reminders for important emails, and use email templates to compose common responses quickly.

In addition, Missive includes a built-in chat feature that allows team members to communicate quickly and easily. Chat conversations are organized into threads, making tracking and referencing past discussions easy.

Key features:

  • Team inboxes that integrate email, SMS, WhatsApp, Instagram, Messenger, live chat, and custom channels
  • Built-in chat features
  • Missive Calendar that integrates with Office 365 and Google Calendar
  • Assignment of conversation threads to individuals or teams
  • Email templates and canned responses
  • Collaborative draft editor
  • Task creation and assignment
  • Four workload balancing methods
  • Integration with 20+ popular apps, or build your own custom integrations
  • Organization and customization features, including labels and themes
  • Analytics


Free plan

Starter plan: $14 per user per month

Productive plan: $18 per user per month

Business plan: $26 per user per month

Paid plans include a 30-day money-back guarantee if you aren’t satisfied.

Best for personalized cold outreach: SmartWriter

Available on: Web app

SmartWriter helps you write more effective emails through personalized cold email outreach. The AI analyzes your prospects' publicly available online data to create high-quality personalized content.

Instantly craft personalized icebreaker messages, cold emails, LinkedIn outreach, backlink outreach, and social media responses.

SmartWriter AI aims to streamline the process of crafting personalized messages, making connecting with your prospects and achieving your outreach goals easier.

Key features:

  • Personalized outreach emails based on your prospects’ online data
  • Automated research of 40+ data sources, including podcasts, interviews, articles, blogs, case studies, job bios, social media posts, reviews, and awards
  • Personalized email copy tailored to offline businesses
  • Automatic message scheduling
  • Verified lead email list
  • Unlimited projects
  • AI-generated copywriting

Pricing (billed annually):

Basic plan: $49 per month

Popular plan: $124 per month

Pro plan: $299 per month

Try SmartWriter's 7-day free trial of its paid plans, no credit card required.

Best for inbox management: SaneBox

Available on: Everywhere you check email

SaneBox is an AI email management tool that prioritizes and organizes your inbox. Working with your existing provider, it analyzes your email behavior to determine your most important emails.

It also automatically moves unimportant emails from your inbox into a separate folder called "SaneLater." This filtering keeps your inbox clutter-free and ensures you only see the most important emails when you check them.

The "SaneBlackHole" feature unsubscribes you from unwanted emails by moving an email to the SaneBlackHole folder. SaneBox also reminds you to follow up on emails you haven't received a response within a specific time period.

Key features:

  • SaneBlackHole for removing unwanted senders
  • Email snoozing and “Do Not Disturb” mode
  • Reminders
  • Email Deep Clean
  • AI-powered email filtering and sorting
  • Daily Digest - summaries of unimportant emails sorted into your SaneLater folder
  • SaneConnect
  • SaneNotSpam - rescue emails that may be mistakenly sent to your Spam folder
  • Automatically upload email attachments to cloud storage
  • Supports all email clients and operates on all devices


Appetizer plan: $0.07 daily or $24 annually

Snack plan: $7 monthly, $59 annually + 3 months free, or $99 biannually + 9 months free

Lunch plan: $12 monthly, $99 annually + 3 months free, or $169 biannually + 9 months free

Dinner plan: $36 monthly, $299 annually + 3 months free, or $499 biannually + 9 months free

SaneBox offers a 14-day free trial of its plans. After signing up, you can test each feature for two weeks for free before adding it to your account.

Best for free AI-powered writing assistance: Compose AI

Available on: Chrome plugin

Compose AI is an AI-powered writing tool designed to help create high-quality written content quickly and easily. It uses advanced natural language processing algorithms to generate coherent, engaging text tailored to your needs.

One of Compose AI's key features is its ability to generate text based on a brief or prompt. Specify the tone, style, and length of any text you need, and Compose AI will create a draft that meets your requirements.

Compose AI also offers various tools to help improve your writing. It suggests alternative words or phrases, corrects grammar and punctuation errors, and offers stylistic suggestions to help refine your drafts.

Another useful feature is its ability to generate text based on a topic or keyword. Input a topic or keyword, and Compose AI will generate relevant text that can be used as a starting point for further writing.

Key features:

  • AI-generated text - Available for Google Docs and Gmail
  • Content rephrasing
  • One-click AI-generated email replies
  • Autocomplete
  • Writing style personalization
  • Seamless integration with existing platforms and tools

Pricing (billed annually):

Basic: Free

Premium: $9.99 per month

Ultimate: $29.99 per month

Innovate your email using AI

Managing emails can seem like an endless task. The right AI email assistant can save valuable time and improve productivity.

Test drive the tools listed above to discover the most effective solution to your email overload. Choose one with a free plan or trial to start today.

How else can AI make your life easier besides fueling the best email assistant?

By also fueling the best task management solution.

Motion can automatically balance your workload, prioritize tasks, and produce your daily schedule. If you’re ready to go all out with AI, Motion has a 7-day free trial.

An effortlessly managed email and schedule? Prepare for a productive week and a relaxing weekend in the future.

Tiffany Lewis
Tiffany has a BA in Business Management and years of experience writing for SaaS and digital marketing blogs. She bristles at typos, broken links, and 2015 statistics circulated through 2023 content. When not writing, Tiffany's either reading, baking, or mothering her spoiled rescue pittie.
Written by Tiffany Lewis