9 Best AI Email Assistants to Write Better Emails in 2024

We compiled a selection of the top AI email assistant tools designed to effectively manage your inbox and boost productivity.

9 Best AI Email Assistants to Write Better Emails in 2024

With the constant influx of emails to read and respond to every day, achieving an inbox zero seems almost impossible. Yet, keeping your inbox clean and well-organized is key to efficient communication. 

The good news is that with the advent of AI, organizing your inbox has become much easier. AI email assistants, powered by advanced technologies like Natural Language Processing (NLP) and Machine Learning (ML), are transforming the email landscape, making inbox management more efficient and less time-consuming.

In this article, we’ve reviewed the 9 best AI email assistants on the market with their features, pros, and cons. 


What is an AI Email Assistant Again?

AI email assistants are innovative tools that leverage artificial intelligence to help you manage your emails. They are designed to analyze and even help draft emails based on your instructions or the context derived from previous messages. These assistants utilize NLP and ML algorithms to understand the context and intent of your prompts, crafting emails tailored to your needs. They are trained with vast amounts of data, ensuring they can comprehend a wide range of topics.

Some AI email assistants can also understand the messages you receive, discern the sentiment behind them, and craft responses customized to your recipient according to your specific instructions. This capability is particularly beneficial for businesses, as it ensures a consistent and professional tone across all emails, regardless of the sender.

Why Do You Need an AI Email Writing Assistant?

AI email assistants are innovative tools that leverage artificial intelligence to help you write better emails faster. They are designed to analyze and draft emails based on your instructions or the context derived from previous messages. 

💡 Some AI email assistants can also understand the messages you receive, discern the sentiment behind them, and craft responses customized to your recipient according to your instructions. 

Here are some of the reasons why you may need an email AI assistant:

  • It streamlines communication: AI email assistants are not just about automating email responses. They’re about crafting more personalized emails faster than you normally would, which makes communication more efficient. 
  • It saves you time: How many times have you been agonizing for an hour about what to write in an email? With an AI email assistant, you no longer have to wonder what to say or how to write what you want to say professionally. They can do it for you.  
  • It keeps your emails error-free: AI email assistants can help you detect and correct grammar and spelling mistakes to keep your emails professional and error-free.
  • It helps you maintain a consistent tone of voice: AI email assistants can be customized to match the company’s brand voice, ensuring that all emails maintain a consistent tone and style. Just as AI email assistants streamline your communication, you can regularly update website content to ensure that digital communication tools operate with the most accurate and relevant data. This practice helps maintain a consistent and professional online presence.

How to Pick the Right Email AI Assistant?

When choosing the right email AI assistant for you, consider the specific features and capabilities you need it to have, the cost of the tool, and whether it fits within your budget.

Here are some key features to consider when picking your AI email assistant:

  • Email writing: Look for an AI email assistant that can generate drafts for various email types, suggest better phrasing and grammar, and adjust its writing style to your desired tone of voice.
  • Multi-language support: If you communicate with international audiences, look for assistants that support multiple languages.
  • Personalization features: Look for AI writing assistants that automatically personalize greetings, subject lines, and content based on recipient information.
  • Cost and pricing: Choose an assistant that fits your budget and offers the features you need, with options for free trials or tiered plans.
  • Platform compatibility: Choose an AI email writing assistant that is compatible with your email client or operating system.

Remember, there’s no one-size-fits-all solution when choosing the best AI email assistant, so prioritize features that align with your needs and communication style.

9 Best AI Email Assistants to Help You Write Better Emails in 2024

Choosing the right AI email assistant can be daunting, given the many options available. Here, we present a curated list of the best AI email assistants to help you write better emails in less time.

1. Canary Mail – The Best Email Client Overall ✅

email ai assistant

Canary Mail is a modern email client that leverages the power of artificial intelligence to transform your email experience. It offers a built-in AI email writer that can help you draft emails, summarize long emails to get to the point faster and ensure that your emails are well-crafted with intelligent suggestions on grammar, style, and tone of voice.  

What’s more, Canary Mail offers some handy AI-powered features for smarter email management. It can analyze your inbox, identify patterns, and provide time-saving suggestions such as automated responses or follow-ups. 

🛠️ Canary Mail Features

All in all, Canary Mail, as an app for all email accounts, helps you stay organized and productive while ensuring that no critical updates go unseen, thanks to the list of its unique features, such as: 

  • AI-based features, including an AI email writer and AI Copilot
  • One-click unsubscribes
  • Push notifications for important emails 
  • Email snooze option 
  • Read receipts 
  • Compatible with all major email services
  • Impersonation detection
  • Biometric app lock

👍🏻 Pros:

  • AI-based features for writing and managing emails
  • Robust security features, like PGP and end-to-end encryption
  • Modern and intuitive interface
  • 28-day free trial

👎🏻 Cons:

  • It may take time to learn 
  • Some might find the AI suggestions either too intrusive or unnecessary

💰 Canary Mail Pricing

Canary Mail offers a free forever plan for personal use. Our paid plans start at $49 per year. 

💬 Canary Mail Reviews

Capterra Rating: 4.7/5

G2 Rating: 4.4/5


2. Missive – Best for Email Collaboration Across Teams

best ai email assistant

Missive is a team email and chat app that focuses on helping teams collaborate efficiently around email and other messaging platforms like WhatsApp, Instagram, and more. 

It features an AI assistant that integrates with OpenAI, allowing you to quickly write and reply to emails, fix grammar and spelling errors, translate messages, and even customize the AI to your needs using your own prompts. 

Missive also lets you select between the ChatGPT 3.5 and ChatGPT 4 versions for faster or more accurate responses.

🛠️ Missive Features

Missive offers a set of features focused on team collaboration across various communication platforms, including email. Here are some of its core features:

  • Various types of inboxes, from shared to personal 
  • Assign conversations 
  • Integrated chat app 
  • Integrated calendar app
  • Detailed email analytics 
  • Pre-written snippets or email templates 
  • Collaborative writing option 
  • Automated workflows

👍🏻 Pros:

  • Integration with OpenAI directly in Missive
  • Collaborative inbox for teams 
  • Combines email, chat, and tasks in one platform
  • Includes project management tools within the platform
  • Offers a free forever plan

👎🏻 Cons:

  • Limited features on the free plan
  • Mobile app is limited compared to the desktop version

💰 Missive Pricing

Missive offers a free basic version. Its paid plans start at $14 per user per month.

💬 Missive Reviews

Capterra Rating: 4.9/5

G2 Rating: 4.8/5

3. Flowrite – Best for AI-Powered Communication

best ai email assistant

Flowrite is an AI-powered email writer tool that integrates with popular email clients such as Gmail and Outlook via the web platform or a Chrome extension. 

Flowrite allows users to write well-crafted emails for a variety of tasks, including outreach, follow-up, feedback, organizing meetings, and more. Over time, Flowrite adjusts to your brand voice and style. 

You can use Flowrite for personal and professional use – as an individual or a business. 

🛠️ Flowrite Features

Flowrite focuses on helping its users write better emails with AI. Here are some of its core features: 

  • A gallery of AI email templates 
  • Direct integration into your inbox 
  • Personalized reply suggestions 
  • Various AI-generated options to choose from 
  • No-code automation
  • Automated follow-ups 
  • Integrations with Google Workspace apps
  • Custom integrations 

👍🏻 Pros:

  • 20+ integrations with other apps
  • Works with Gmail, Outlook, and LinkedIn
  • Supports multiple languages
  • Offers a free 14-day trial

👎🏻 Cons:

  • No mobile app 
  • Only works with Gmail and Outlook
  • Doesn’t allow saving or editing templates for future use
  • Doesn’t offer a free version

💰 Flowrite Pricing

Flowrite doesn’t offer a free version. Its paid plans start at $4 per month (billed annually). 

💬 Flowrite Reviews

Capterra Rating: N/A

G2 Rating: 4.5/5

4. Copy.ai – Best for AI-Powered Workflows

email assistant

Although it started as a simple AI writing assistant, Copy.ai is more than that. Copy.ai’s main feature is its integrated AI-based chat that helps you write emails, social media posts, blog articles, and more.

Aside from that, Copy.ai also offers AI-based features to help you perform tedious, repetitive tasks, such as lead scoring, scraping phone numbers, or finding prospects automatically. You can also create new workflows based on your needs. 

While individuals can use Copy.ai as a simple AI writing assistant, the platform is geared toward GTM (go-to-market) teams.  

🛠️ Copy.ai Features

Overall, Copy.ai offers features that allow users to create content, enrich their CRM, and scale their prospecting efforts. Here are some of Copy.ai’s core features: 

  • Pre-defined AI workflows for prospecting, marketing, sales, and more
  • AI-powered chat for generating content
  • A large library of AI prompts
  • Brand voice customization
  • AI sales manager 
  • AI-powered tools for SEO 
  • AI-powered translation workflows

👍🏻 Pros:

  • Pre-defined workflows and AI prompts 
  • 2,000+ integrations with other apps
  • Zero-retention data policy
  • Works in multiple languages
  • Free plan (with limited monthly credits)

👎🏻 Cons:

  • May involve a learning curve for some
  • May be too advanced for personal use
  • Free plan for individual users is very limited

💰 Copy.ai Pricing

Copy.ai offers a free version for personal use, limited to 2,000 words in chat. Its pro plans for entrepreneurs and teams start at $36 per month (billed annually).

💬 Copy.ai Reviews

Capterra Rating: 4.5/5

G2 Rating: 4.7/5

5. Compose AI – Best for Sentence Autocomplete

email assistant

Compose AI is an AI-powered writing assistant that comes as a free Chrome extension. Compose AI aims to save users time by providing them with AI-powered sentence autocompletion and text generation. 

What’s more, Compose AI offers email writing features to help you write better emails in less time. The assistant learns and adjusts its outputs to match your writing style over time. 

Compose AI is currently available in Google Docs and Gmail, with more sites coming soon.

🛠️ Compose AI Features

Compose AI is a simple AI-based writing assistant that helps users write faster on various platforms. Here are some of its main features: 

  • AI-based writing assistant
  • Sentence autocomplete
  • Phrases suggestions
  • Generate professional emails
  • Writing style personalization

👍🏻 Pros:

  • It’s a free Chrome extension
  • Very easy to use
  • Provides real-time writing suggestions
  • Customizable writing style and tone of voice

👎🏻 Cons:

  • Very basic AI writing assistant
  • No integrations with other platforms
  • Only works with Gmail and Google Docs

💰 Compose AI Pricing

Compose AI offers a free version limited to 1,500 words, its paid plan starts from  $9.99/month (billed annually).

💬 Compose AI Reviews

Capterra Rating: N/A

G2 Rating: N/A

6. Rytr – Best for Simple Content Generation

ai email assistant

Rytr is an AI writing assistant designed to help users write better content in less time. Since Rytr supports over 40 use cases, you can use it to write any type of content, from blog articles to emails. 

Rytr is a web-based app, but it also offers a Chrome extension that allows you to use it within your inbox, social media platforms, WordPress blog, Google Docs, and more. 

🛠️ Rytr Features

Rytr is a basic AI writing assistant that focuses on content generation. Here are some of its core features: 

  • Built-in AI chat
  • 40+ use cases
  • 20+ tones of voice 
  • Built-in plagiarism checker
  • SEO analyzer
  • AI image generator 
  • Premium community
  • Custom API integrations

👍🏻 Pros:

  • Offers a wide range of templates for content
  • Supports 30+ languages
  • Can generate long-form content 
  • Offers a free version (with limited credits)
  • Has a Chrome extension

👎🏻 Cons:

  • It’s a very basic AI writing assistant 
  • Credit-based pricing 
  • Limited integrations

💰 Rytr Pricing

Rytr offers a free forever plan limited to 10,000 characters in chat. Its paid plans start at $9 per month. 

💬 Rytr Reviews

Capterra Rating: 4.6/5

G2 Rating: 4.7/5

7. Warmer.ai – Best for Cold Email Outreach

email ai assistant

Unlike other AI writing assistants mentioned on this list, Warmer.ai is designed explicitly for AI email generation. It’s an AI-powered email personalization tool built specifically for cold emails. 

Warmer.ai’s premise is relatively simple, but it can be a powerful tool if you rely heavily on cold email outreach for your marketing and sales.

🛠️  Warmer.ai Features

Warmer.ai automatically analyzes the website or the LinkedIn profile of the business or person you want to pitch and writes a personalized email. It doesn’t offer much more than that.

👍🏻 Pros:

  • Great tool for cold email outreach
  • Personalizes cold emails based on recipient info 
  • Very easy to use

👎🏻 Cons:

  • Limited only to cold email outreach
  • Cost not displayed on the website

💰 Warmer.ai Pricing

Cost not disclosed on the website. 

💬 Warmer.ai Reviews

Capterra Rating: N/A

G2 Rating: N/A

8. Grammarly – Best for Grammar and Spelling

email assistant ai

Grammarly isn’t an AI writing tool per se but rather an AI-powered grammar and spelling checker. It works with the English language only. 

It analyzes your text and provides corrections for grammatical, spelling, and punctuation mistakes, as well as suggestions for the style and tone of your writing. On the premium version, Grammarly also provides a feature to assist you in enhancing the readability of your writing.

You can use Grammarly as a web platform or a browser extension to get real-time suggestions for your writing. It’s great for both business and personal use. 

🛠️ Grammarly Features

Grammarly focuses on grammar and spelling checking, but it also offers some features to help users write better sentences. Here are some of its core features: 

  • Grammar checker
  • Plagiarism checker
  • Citation generator
  • Essay checker
  • Paraphrasing tool
  • Tone detector
  • Style guide
  • Reusable snippets
  • Works with American, British, Australian, and Canadian English

👍🏻 Pros:

  • Smart suggestions for word choice, sentence structure, and style
  • Comes with a browser extension for Chrome, Safari, and Firefox
  • Works on mobile devices (iPhone, iPad, and Android)

👎🏻 Cons:

  • Can sometimes overcorrect or flag non-issues
  • Can only be used in English 
  • The browser extension comes with limited features

💰 Grammarly Pricing

Grammarly offers a free plan with limited features. Its paid plans start at $12 per month (billed annually). 

💬 Grammarly Reviews

Capterra Rating: 4.8/5

G2 Rating: 4.7/5

9. Smartwriter – Best for Personalized Outreach Emails

best ai for email

Smartwriter is an AI email writing assistant that helps users write personalized cold emails. Smartwriter uses publicly available data from LinkedIn profiles, news headlines, case studies, and more to deeply analyze each prospect and write a highly personalized cold email. 

Although Smartwriter focuses mainly on cold emails and contextual pitches for sales or backlinks, you can also use it to write personalized icebreakers, Instagram comments, LinkedIn connection requests, and Google reviews.  

🛠️ Smartwriter Features

Smartwriter is a great tool for cold outreach, whether it’s via email or social media platforms. Here are some of its core features: 

  • AI Email generator
  • LinkedIn personalization outreach
  • Personalized Instagram comments
  • Automated SEO backlink outreach
  • Detailed recipient research
  • Personalized writing style, tone, and voice
  • Grammar and plagiarism checks

👍🏻 Pros:

  • AI writing tools for emails, LinkedIn, and Instagram
  • Free 7-day trial
  • Unlimited credit rollover month-to-month

👎🏻 Cons:

  • Limited integrations with other platforms
  • Works only for cold outreach
  • No free plan

💰 Smartwriter Pricing

Smartwriter doesn’t offer a free plan. Its pro plans start at $49 per month (billed annually).

💬 Smartwriter Reviews

Capterra Rating: N/A

G2 Rating: 4.0/5

Best AI Email Assistant in 2024, the Comparison Table

Features Canary Mail Missive Flowrite Copy.ai  Compose.ai  Rytr Warmer.ai Grammarly Smartwriter
Free Version 
Pricing Canary Mail pricing page $14/month $4/month $36/month $9.99/month $9/month $12/month $49/month
Read Receipts
Snooze Option
Biometric App Lock

Push Notification for important Email


AI Email Writing Assistants, the Bottom Line

In the business world, communication is key. Effective communication can make or break a business, whether it’s communicating with clients, partners, or team members. This is where AI email assistants come in.

These assistants streamline communication, boost productivity, and provide support in generating emails, crafting replies, offering translations, and rectifying grammar and spelling errors. Some AI email assistants even allow the customization of prompts for a more personalized AI response. 

If you’re seeking to optimize your email management and write better emails faster, using an email AI assistant can be the game-changer you’ve been looking for. 

Best AI Email Assistants, the FAQs

❓How will AI affect email and marketing automation?

AI is transforming email and marketing automation by enabling personalized content, predictive analytics, and efficient email marketing workflows. It streamlines processes, optimizes targeting, and improves customer engagement through intelligent automation.

❓How to use AI to write an email?

Tools like Canary Mail provide pre-designed templates for diverse email types, even crafting personalized drafts based on your keywords. These digital editors can analyze and refine existing drafts for grammar, tone, and clarity.

❓How AI could transform email?

AI can transform email marketing and management by automating tasks such as sorting, prioritizing, and drafting emails. It can enhance personalization, analyze user behavior for smarter suggestions, and improve email management efficiency.

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