10 Best Email Writing Apps (Write Great Messages) in 2021

If you are looking for some of the best email writing apps to write effective emails, then this is the best web-page that you should visit for an updated list.

Best Email Writing Apps
Best Email Writing Apps

To deal the right way in the global workplace, we need to learn how to write effective emails. Irrespective of the job, field, or expertise, you must have useful email writing skills. It is an easy way to communicate with people who are hard to reach through phone calls. Or maybe, you want to send emails to your business partners or colleagues to discuss your new projects. Additionally, emails are a great way to keep written records of information and invoices. It also allows you to send media files, documents, and other stuff easily.

Overall, email is a core part of business communication. If you wish your marketing or sales campaign to skyrocket, you need to improve the way you write emails. But writing prospective emails is not easy to master. Fortunately, there are a plethora of best email writing apps that can help you to write very shiny messages in no time. To help you choose the right tool, here I have picked 10 best apps that can help you be more productive while writing emails and making your emails more prospective.

Here is the list of top 10 best email writing apps to write effective emails in 2021:

Here we are going to begin our list of best tools that can level up your email writing game in no time:

1. Gmail

Gmail is undoubtedly one of the most used email service providers. But the thing that makes it best, among others, is the feature it offers. To write creative emails, Gmail has a feature called smart compose. This feature is entirely AI-based, and it tries to understand the typed message so that AI can suggest an entire phrase or words to complete your sentence. This feature can not only help you save your precious time but also reduces the chances of typo and grammatical errors.


Along with that, it is also packed with another great feature named smart reply. This feature scans the entire context of a mail and then suggests some quick replies. You just need to click on your preferred answer and hit reply to send it. Adding images and document files are also very easy in Gmail. If you are looking for the best email writing apps, then you should try Gmail without any doubt.

2. Grammarly

If you sent out emails with grammatical errors, then it reflects poorly on your professionalism. I always recommend people to proofread emails before pressing the send button. Nevertheless, if you cannot spend much time proofreading your emails, I suggest you try Grammarly.


It is an excellent tool that analyzes the piece of text you have written and checks it for any grammatical, punctuation, or spelling errors. It helps to maintain your emails grammatically perfect and very easy to understand so that you can convey your message to the recipients easily. With its premium upgrade, you can unlock features like vocabulary enhancement, and you can also send your documents to a professional proofreader as well to cross-check your document. Overall, it is an excellent tool, and if you are not a native English speaker, then I highly suggest you try Grammarly’s free trial version.

3. Gorgias

Do you spend most of your time crafting the same kind of emails but to different recipients? If yes, then, in that case, Gorgias Templates can help you a lot. With the name, you can understand that it is a tool that allows you to add pre-written templates and messages to your email. But unlike most of the other pre-written snippet tools, it will enable you to use your own writings.

Gorgias Write Emails Faster

With Gorgias, you can create multiple short templates of the repetitive texts for your emails. And later, you can include those templates with the help of shortcuts. It can save a lot of your time, and you can reply to emails within seconds. I can say that Gorgias is the best email writing apps that you should try at least once in life.

4. Just Not Sorry

If you want to depict yourself as a professional, you require to use confident languages in your emails. Emails with a lack of confidence can make any critical email look weak and unimportant. If you are also used to including words like “Sorry,” “I think so,” “I am no expert,” and others, then I highly recommend you use the “Just Not Sorry” plug-in.

Just Not Sorry

It is a great tool developed by Cyrus Innovation that flags out words or phrases in your emails that use such weak qualifiers. This tool underlines those texts or phrases in red as if it was misspelled. You just need to hover over the words to understand why it should be avoided. Albeit, it is okay to use such words like “sorry” or “I think” sometimes in your email, but overusing it can turn it into a pushover. Overall, I can say that this is one of the best email writing apps on this list.

5. Crystal Knows

Everyone has a different style of communication. And if you want to make sure that you communicate with others correctly, then I love to suggest you use Crystal Knows. It analyzes all the existing online public data of people to tell you how exactly you should communicate with others.

Crystal Knows

It creates a personality profile of your recipient based on available online data such as social profiles, tweets, and others. After evaluating, it suggests the sentence writing style, tones, phrasing, his personality type, and others so that you can craft your email according to that. It can help you generate more leads and increases the chances of accepting your proposals for the sales pitch.

6. Detective By Charlie

Do you spend most of your time at the computer, to research about someone you are about to pitch through email? If yes, then Detective by Charlie can be a great companion for you. It is an AI-based tool that aggregates information from thousands of data sources such as blogs, social media, and other platforms and unearths almost everything that you might be looking for.

Detective By Charlie

This automation of the research process can help you save much time so that you spend less time crafting your sales pitch. It is a beneficial tool for those high-volume salespeople looking to build rapport very fast. If you are into something like this, then I highly recommend you to use Detective by Charlie.

7. WiseStamp

WiseStamp is an excellent tool that can make your email look more professional and engaging. It can help you strengthen your brand and get more credibility. WiseStamp is a top-rated email signature generator that can help you to create an information-rich, very polished, and engaging signature within a few seconds.


It offers a free plan that allows you to create a free sophisticated signature and let you customize fonts, style, color, images, links to RSS feeds, social media accounts, and many other things. However, the paid plan offers more features and allows you to create multiple signatures using different templates.

8. Shift

Transitioning between different profiles while working is a very time-consuming task, but not anymore. You can use Shift to streamline all your accounts, apps, and workflow so you can seamlessly switch between them. It let you walk around all your accounts in just a single click.


Shift supports over 800 web applications, mail accounts, extensions, and cloud services. It can help you improve your productivity, save time, and manage all your social media, emails, and other platforms like GitHub or AWS at one single app. It also allows you to customize your notifications. Also, it features a meeting mode that automatically mutes all the notifications.

9. MailMentor.io

To attract people with your emails, you need to make sure that you write it concise, clear, and attention-grabbing. Explain to them the main motto without any contrivance. If you don’t know how to do that, then don’t worry because MailMentor is here to help you.

Mail Mentor

MailMentor is a top-rated tool that helps you by giving you instant feedback about the email you have written. You just need to copy your message and paste it into MailMentor. After analyzing, it suggests the recommended improvements, such as shortening the paragraphs or simplifying your languages.

So, the recipient can easily understand your message. It also shows how much time it will take by people to read your emails. Remember the rule – the shorter emails are better and easy to understand. This is one of the best email writing apps in this list as it helps us write great messages.

10. Subjectline.com

Do you struggle to write the subject lines that can convince your prospect to open your email? If yes, then you are not alone. Many people face issues in writing smart, and clickable subject lines within 40 words that can persuade others to open your email. In that case, I recommend you SubjectLine.com.


It is a popular subject line testing tool that analyzes your text and tells you the quality of your subject line and its engagement. It also checks your text for spam triggers and suggests words to make your subject lines more useful and engaging.

The Bottom Line

There you have it – the 10 best apps that can help you write very effective emails. Writing engaging emails is an art that takes time to master. However, with the help of these creative tools, you can improve your productivity, save time, and learn how to write professional emails in no time.

Now that you have the list of best email writing apps to write effective messages, it is time to get your hands on them and start improving your email writing skills.

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