Best Free Email For Mac Users

Best Free Email For Mac Users

Thunderbird: best free email client for power users. Microsoft Outlook: best email client for Office 360 users. Newton Mail: best mac email elient for clean experience. Edison Mail: best. ICloud is the best email service provider for Mac users. It was launched in 2011. It provides good cloud storage capacity and file sharing capability. It is easy to set up and unsubscribe email. Pros: It provides cloud storage for documents, photos, and music. It allows you to download these files on iOS, Mac, and Windows devices. Feb 17, 2017 The Best Free Email App For Mac And Windows. Nylas is a modern platform for email, calendars, and contacts. Today hundreds of applications are powered by Nylas Cloud infrastructure, including our flagship desktop app Nylas Mail etc. Pricing: Basic $0 Supports, Mac Gmail, Office 365, iCloud, IMAP. Pro 12$ Supports Mac, Windows, and Linux, Gmail. Apple Mail is arguably the best email client for Mac users. This Mac email client is well designed for the Apple ecosystem and works well with OS X and iOS devices. This built-in best Mac email client works well with most of the email providers. This includes Gmail, iCloud, Outlook, Yahoo Mail, and more. However, there are many other email apps.

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Having an email client installed on your Mac can make a huge difference for your productivity. After all, your web browser is a portal to distraction, and any time you boot up Chrome or Safari to check on your inbox you’re in danger of losing at least 10–15 minutes to reading the news, browsing Facebook, or going down a “wiki-spiral.”

That said, not every email client is built the same. While macOS comes with the Apple Mail app by default, it might not necessarily be the best fit for your needs.

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Best Email Apps For Mac 2021

So what’s the best email app for Mac then? Depends on what you do. You might be a power user, comfortable with running macros to make the most out of your email experience, or you might just want something that works out of the box without having to fuss with settings. Security could be your top priority if you work with sensitive materials, or you might just need to easily manage multiple accounts.

Whatever the case, there are a few things to keep in mind when evaluating all email clients: How fast is the setup process? How easy is it to use? Is it secure? What are the sorting options for your inbox? Is it nice to look at?

Let’s sift through some top email apps using this questioning framework.

Apple Mail: Best email client for Mac by default

What makes Apple products great is also what limits them: because Apple needs to make apps that are so easy to use that anyone can use them, much of what they produce is quite basic in functionality. Which is fine — just make sure you know what you’re getting with the Apple Mail app.

You definitely get a clean, user-friendly design that’s in line with all the other Apple software. In addition, you get outstanding integration with macOS and iOS, including the use of the Notification Center and the ability to send emails via the Share function in other apps.

Although adding multiple email providers, including iCloud and Gmail, is easy — there have been some bug reports around using Microsoft accounts, such as Hotmail or Live. Maybe the old Apple and Microsoft feud is not over yet?

In step with the times, Apple Mail app makes it effortless to add emoji to your emails from the shortcut bar right in the composing email window.

Honestly, for most people, the Apple Mail app will absolutely be enough. However, if you’re the kind of person who has a lot going on in their inbox, there are not too many ways to filter through all the messages quickly and pin down important conversations, or simply delete unwanted mail.

What’s great:

  • Clean design

  • Easy-to-use Mac mail

  • Fantastic Mac and iOS integration

Not so great:

  • A history of bugs with Microsoft accounts

  • Lacking high-powered organizational tools

Mozilla Thunderbird: Best free email client for Mac power users

Perhaps most widely known for their web browser, Firefox, Mozilla’s other major product is their email client, Thunderbird. Hailed as the best free email app on the market at various points throughout its long history, where does Thunderbird stand in 2021?

Unfortunately, Thunderbird’s design shows its age. Blocky and utilitarian, it’s quite a bit uglier than most modern email clients. But look below the surface and you’ll discover some very handy features.


For one, you have the option of tagging emails as they come in. Just add tags like Personal, Work, and ToDo and suddenly conversations become much easier to find later on. Even better, create your own tags to make the classification system as specific as you need it to be.

Thunderbird features an integrated calendar and chat client, both of which are indispensable for work, and boasts great privacy features — like not automatically displaying images (hence stopping pixel trackers) when you open emails (can be changed in Preferences).

Overall, Thunderbird has some powerful value propositions but is also a bit ugly and unintuitive. So, if the looks don’t bother you, give it a try. Otherwise, you’re better off using another option.

What’s great:

Best Free Email For Mac Users
  • Tagging is powerful and helps you organize your emails quickly

  • Precise search

Not so great:

  • Not the prettiest interface

  • Unintuitive user experience. It takes time to figure out Thunderbird’s best features.

Kiwi for Gmail: Best Gmail app for Mac

If you don’t use Gmail, you can skip this one: Kiwi isn’t for you.

But for all other Gmail for Mac users, Kiwi for Gmail is an excellent Mac mail option. A desktop app with the look and feel of your browser email inbox, Kiwi features the ability to combine multiple accounts and filter your inbox with Focus to organize correspondence by date, importance, attachments, and more.

In many ways, Kiwi is Gmail’s missing ingredient, making the best free email provider online also the premier Gmail app for Mac. What’s even more exciting is that Kiwi lets you run G Suite apps like Google Docs and Sheets outside of your browser. Being able to leave Chrome or Safari behind and get some focused work done alone makes Kiwi worth the install.

What’s great:

  • Kiwi makes Gmail better
  • Combine multiple Gmail accounts
  • Focused work outside the browser with Google Docs

Not so great:

  • Doesn’t support non-Gmail accounts

Spark: Best Mac email client for a clean inbox

A relatively new email client for Mac, Spark is based on an intriguing premise: What if your inbox was able to sort itself out based on your priorities but without your input?

Spark’s Smart Inbox algorithms are able to instantly identify whether an email is personal, work-related, or just a newsletter you signed up for years ago because it gave you a coupon but have since completely forgotten about. This kind of artificial intelligence works so well that Apple gave Spark an Editor’s Choice Award a few years ago.

In its quest for widespread adoption, Spark doubles down on usability, offering quick, one-click replies with generated text based on how you typically respond to emails and powerful automatic functions to clean up your inbox in seconds. Besides, the app is beautifully designed and very easy to use.

Of course, for Spark to have all of these powerful features, complete access to the content of your emails is required — which might raise some privacy-minded eyebrows. However, a lot of people would be happy to offer that in return for ease of use. So, if this notion doesn’t bother you, Spark might well be the best free email app for Mac.

What’s great:

Best Email Provider For Mac

  • Clean design
  • Smart Inbox organizes your unread emails
  • Could be the most professional email client for Mac

  • The only non-Apple email client with the Apple seal of approval

  • “Send later” feature lets you schedule emails

  • Frequent updates

Not so great:

  • Requires more of your data than other email clients

Canary Mail: Best security in an email client for Mac

New to the Mac email client game, Canary Mail’s outstanding list of features still makes it a worthy contender.

Canary Mail prioritizes security and privacy, providing every email you send with end-to-end encryption, so that if your data is ever intercepted it can’t be read. Even better, you don’t have to change any settings to do this — everything is set up right out of the box.

Add to that a fantastic design and some excellent filtering options, such as natural language search, smart tags, algorithmic bulk cleaner, and intelligent typography enhancements, and Canary Mail might well be the best email app for Mac, period.

What’s great:

  • Great design
  • Smart filters
  • Intelligent typography
  • Automatic end-to-end encryption
  • Available to all email providers
  • Algorithmic bulk cleaner

Unibox: Most innovative email client for Mac

The most exciting thing about Unibox is how it fundamentally changes the way you see your inbox. Instead of organizing everything by date received or subject, Unibox structures every conversation around contacts. That way your inbox resembles your text messages or messaging app, making everything intuitive and easy to navigate.

The developers of Unibox worked hard on making their email client for Mac the easiest to use on the market — and it shows. The design is stunning and you can easily respond to any email in the same window, get previews of attachments right there, and just scroll to remind yourself of all the conversations you’ve had with that person.

What’s great:

  • Email like messages
  • Intuitive and easy-to-use design
  • Works with all major email providers

Best of all, Canary Mail and Unibox are both available for a free seven-day trial through Setapp, a subscription platform with over 200 top Mac apps chosen to make your day more productive and fun. Now can’t you wait to go back to emails already?

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We’ve all heard of Gmail. Some of the older ones probably remember Hotmail too. But chances are you don’t use those in a professional setting.

Microsoft Outlook had dominated the scene of business email providers. But no more. Now there are loads of good email clients. To get the skinny on the best email clients, both paid and free, check out this super roundup.

Best email clients comparison chart (top 10 highest rated)


Best for

Pricing (starts at*)


Microsoft Outlook

Best email client for Windows 10

$5 per user per month billed annually with Office 365

Mozilla Thunderbird

Best alternative to Gmail


eM Client

Best email client for Windows & Mac

$49.95 per device


Top email client for multiple accounts

$1.63 per month


Top email client for iPhone

$2.99 per month


Good desktop email client

$4 per account per month billed annually


Good email client for Mac

$39 per year


Good free email client

$8 per month


Top email app to block phishing

Contact vendor


Good email app for team collaboration

$6.39 per user per month billed annually

*Not including free versions

What is an email client?

An email client is a more robust email app than your average Gmail or Hotmail.

Firstly, an email client lets you host your email data on your own computer, as well as on the cloud sometimes. This is opposed to webmail which hosts everything on a server. That’s why client-based emails are better for business purposes: You have better access and protection over your work emails.

Secondly, email clients let you sync multiple email accounts into one UX. You can bring in your Gmail, Outlook or Yahoo accounts and use them all in one unified inbox.

There are a lot of great features when it comes to the functionality of email clients. These go beyond showing which emails have been read, and which are still unread.

Best Free Email For Mac Users

The best email client solutions do the following:

  • Send later lets you write an email and schedule it to be sent at another time

  • Smart inboxes in email clients can identify important emails

  • Read receipts show you when someone has opened your email

  • Email templates let you save and reuse emails

  • Attachment management lets you store and retrieve attachments

  • Snooze buttons help you avoid email distractions for a period of time

  • Encryption is often more robust with special email clients, using tech like PGP

  • Phishing or other suspicious emails get flagged by email clients

  • Calendar tools let you create events directly from an email invitation

  • Contact tools let you create or edit a contact directly from an email

  • Collaboration tools let you share emails with colleagues and work as a team

These are just some of the great features you can expect with the best email apps.

What are the best email clients? Here’s our top 15 list:

Now that you’ve learned a thing or two about email solutions, it’s time to explore your options. This list of the best email clients covers both paid and free versions. We highlight their strong suits and list off their best features. Read on to find your perfect email client fit.

Microsoft Outlook (Best email client for Windows 10)

Forget Gmail. When it comes to email servers at the office, Microsoft Outlook is probably the best known name in email services. It first came out with Microsoft Office 97.

Microsoft Outlook combines email and calendar tools in one place. It identifies emails that are “focused.” These are important emails. You can easily create calendar events or tasks directly from the email dashboard. Outlook has good enterprise-end encryption. There’s also ransomware detection. Microsoft Outlook integrates mainly with other Microsoft products like Office and cloud storage app OneDrive. Outlook comes with mobile apps for iOS and Android.

There is a free version of Outlook. Premium versions come with Office 365. Personal plans go for $69.99 for one user, $99.99 for up to 6 users, both per year. Business plans are $5, $12.50 and $20 per user per month billed annually.

Microsoft Outlook is best for:

  • SMBs

  • Large businesses

  • Enterprise

  • Calendar

  • Microsoft 365 integrations

  • Windows users

Mozilla Thunderbird (Best alternative to Gmail)

Thunderbird is the email product of Mozilla. Like all of Mozilla’s apps, Thunderbird is free and open source. Its latest version came out in September 2020.

Mozilla Thunderbird is a free and easy to use email app. Anyone can set it up and use it like a pro in minutes. There are many customization options for the Thunderbird dashboard with add-ons. These include extensions, plugins for more features, and themes for different looks. For security, it offers do-not-track and phishing protection. There’s also an add-on for PGP encryption. You also get calendar and to-do tools. One-click address book makes it easy to add new contacts. Attachment reminders make sure you don’t forget to add mentioned files. Finally if you have multiple email accounts, Thunderbird helps keep them organized with smart folders.

Thunderbird is totally free. So are the many add-ons by Mozilla and other companies.

Thunderbird is best for:

  • Free users

  • Startups

  • SMBs

  • Customization

  • Multiple email accounts

  • Ease of use

eM Client (Best email client for Windows & Mac)

eM Client Inc. is a software company out of the Czech Republic. It got off the ground in 2017. It’s flagship app is the email client of the same name.

eM Client works in over 20 languages. It runs on the operating systems of Microsoft Windows and macOS. It supports the major email technologies. These include POP3, SMTP, IMAP, and more. You can encrypt your messages with PGP for added security. eM Client lets you watch for replies and gets you read receipts. You get access to email templates. There is an attachment manager. You can schedule emails to send later. eM Client includes modules for calendars, task management and contact management. You can also do messaging through eM Client.

There’s a free version of eM Client for 2 email accounts. The pro versions start $49.95 per device.

eM Client is best for:

  • Startups

  • SMBs

  • Templates

  • Messaging

  • End encryption

  • Translation

Mailbird (Top email client for multiple accounts)

The folks behind Mailbird call themselves a “A Brilliant Team of Email Innovation Nerds.” That should inspire confidence that they are serious about great email.

Mailbird operates on Windows. It specializes in handling multiple email accounts. You can sync from other email accounts into a unified inbox. The dashboard is clean and pleasing to the eye. Figuring out Mailbird’s features is intuitive. You can customize the look with color themes and layouts. Other Mailbird features include speed reader, snooze buttons, and attachment searching. Mailbird excels at integrating with other useful tools. These include Twitter, Whatsapp, Facebook, Evernote, and more. It also works with Google Drive and Calendar, Dropbox and Slack.

Mailbird Personal is only $1.63 per month, $19.50 per year, or a one-time payment of $39.50. Mailbird Business is $2.88 per month or $34.50 per year.

Mailbird is best for:

  • One person business

  • Startups

  • SMBs

  • Unified inbox

  • Multiple accounts

  • Integrations

  • Windows users

Airmail (Top email client for iPhone)

Airmail is the email client by the Italian software development Bloop SRL. They design apps for macOS and iOS. Airmail is Bloop’s main product.

Airmail works exclusively within the Apple ecosystem. It runs on iPhone, iPad and Mac computers. The design is native to each device. Apple has often praised Airmail’s cool look. The platform can respond to Siri. It syncs multiple accounts from the likes of Gmail, iCloud Mail, Office 365, Microsoft Outlook, IMAP and POP3. It lets you manage them all in one unified inbox. A smart inbox sorts out the important emails for you. You get snooze tools and send later tools. Airmail lets you set up workflow rules to automate your email management. There is a privacy mode to work offline. It also prevents pixel tracking. The iOS versions use FaceID and TouchID for extra security. Airmail even works on Apple Watches.

You can download Airmail and use many features for free. Airmail Pro is $2.99 per month or $9.99 per year. Airmail Business is a single purchase of $49.99

Airmail is best for:

  • Single users

  • One person business

  • Small teams

  • iOS devices

  • iPhone users

  • Unified inbox

Spike (Good desktop email client)

Spike is an Israeli company. It got off the ground in 2017.

You can best use Spike on your desktop with a web browser. It also works on other devices. They have apps for iOS, Android, Windows and macOS. The Spike approach is called conversational email. It removes things like subject lines and signatures to make the email thread easier to follow. The inbox highlights important emails. Spike also has a note app that’s good for collaboration. You can also chat in a sidebar in real-time. Group chats with team members work too. There are scheduler and to-do tools. Spike uses email encryption to keep your stuff safe.

Spike offers a free version. The pro plan is $4 and the Business plan is $6, both per account per month billed annually. Contact them for Enterprise prices.

Product name is best for:

  • Freelancers

  • Startups

  • SMBs

  • Group chat

  • To-dos

Hiri (Good email client for Mac)

Hiri is an Irish email client. It was first released in 2012.

Hiri is an email app for Mac. It puts simplicity first. Aside from email it does calendars, to-do lists and contacts. Hiri also puts a lot of attention to its design details. This includes features to remove clutter. Hiri syncs all calendar events from Office 365 and Exchange. You can share your calendars too. Hiri has an offline mode for added privacy. You also get reminders and snooze tools.

Hiri costs $39 per year or $119 for life.

Hiri is best for:

  • Startups

  • SMBs

  • Large businesses

  • Shared calendars

  • Mac users

  • Design

Mailspring (Good free email client)

Mailspring forked off from the mail client Nylas Mail. It’s open-source and built with a native C++ sync engine.

Mailspring works with macOS, Windows and Linux. It lets you use multiple IMAP & Office 365 accounts. It’s got a lot of the basic email features. These include undo send and read receipts. There’s also snooze and reminders. The dashboard is customizable with layouts and themes. Mailspring does real-time translation with English, Spanish, Russian, simplified Chinese, French, and German. There’s an RSVP feature that lets you instantly respond to email invites. Your contact list in Mailspring has profiles with Linkedin bios, social media links and company information.


Mailspring has a free version. The pro version is $8 per month.

Mailspring is best for:

  • Freelancers

  • Startups

  • SMBs

  • Translation

  • Contacts

INKY (Top email app to block phishing)

INKY is an email app that is foremost about protection from phishing and other fraud. It uses AI and machine learning to do this.

INKY blocks malware, spam and phishing. Its detection is more robust than average email clients. Warnings on emails range from safe, unusual and malicious. You get visibility and email tracking into the blocked emails. It also guides you if you want to examine the suspicious email closer. You can report any suspicious email with one click. INKY’s platform is hosted in the cloud. It supports Office365, Exchange and G Suite. This email security app scales up to companies of any size.

You can request a demo from INKY’s website. For prices contact them as well.

INKY is best for:

  • Small businesses

  • Large businesses

  • Enterprise

  • Email security

  • Phishing detection

  • Spam and malware detection

Spark (Good email app for team collaboration)

Spark was made by Ukranian app development company Readdle. They launched Spark back in 2015.

Spark has mobile apps for iPhones and Androids. There’s a desktop version for macOS and one for Windows is on its way. It syncs email accounts from Outlook, iCloud, Google, Yahoo, Exchange and IMAP. The intelligent inbox sorts out important emails. You can also pin important emails. There is a batch email action feature. You can also get notifications when emails come from people you know. You can work with team members with Spark. It lets you write drafts together or add private notes. Team leaders can delegate emails tasks from the email inbox. It lets you set deadlines and track progress. There’s the usual send later, follow-up reminders, snooze and customizable signatures.

Spark has a free version. The best team collaboration tools are in the Premium plan at $6.39 per user per month billed annually. Contact Spark for enterprise plans.

Spark is best for:

  • Startups

  • SMBs

  • Large businesses

  • Managers

  • Team collaboration

  • Task management


Postbox was first released in 2007. The brains behind this desktop email client came out of the Mozilla team. It was originally based on Thunderbird.

Postbox positions itself as a professional email app. The UX is very straightforward and familiar. It syncs accounts from Yahoo, Gmail, iCloud, Office 365, Outlook, and more. The dashboard lets you see your emails in tabs. Email tools let you group your accounts. You can create favorite folders. There is advanced searching and filtering. Postbox also offers file and image management. Pre-canned responses, professional-looking signatures and pre-formatted clips are also available. There’s also an HTML code editor. Postbox uses PGP encryption.

Postbox offers one-year licenses for $29. A lifetime license is $49 (though subject to change).

Postbox is best for:

  • Freelancers

  • Startups

  • SMBs

  • Desktop email client

  • Tabbed browsing


The reviews are very mixed about Superhuman Email. Some love it, others are underwhelmed. Still this email app is worth mentioning.

Superhuman tries to reinvent a lot of email UX. The design is very streamlined and sleek. Superhuman also puts speed as the top selling point. They claim every action takes less than 100 milliseconds. It uses powerful AI in the email tirage stage. This sorts the important emails from the lesser ones. You get an undo send option. There’s also follow-ups, reminders and send later tools. Read statuses and read receipts are also part of the toolset. Superhuman gathers insights on your contacts from LinkedIn and other social media.

While there is no pricing listed on the website, other reviewers have noted that Superhuman costs $30 per month.

Superhuman is best for:

  • SMBs

  • Large businesses

  • Fast emailing

  • AI triage


ProtonMail is the creation of Swiss scientists who met while working at CERN. That’s some big brains behind this email client.

ProtonMail is an email platform with full end-to-end encryption email. Security is a big deal with ProtonMail, Swiss-style. New accounts are made without needing to use personal information. It doesn’t store any IP logs. You can use ProtonMail with a web browser, or on iOS and Android devices. ProtonMail is open-source and simple to use. The interface has the look and feel as any normal email app.

ProtonMail offers a free version. The Plus version is good for one person at $5 per month. The Pro version is $8 per user per month, and the Visionary version is $30 per month for 6 users.

ProtonMail is best for:

  • Individuals

  • Freelancers

  • Startups

  • SMBs

  • End to end encryption

  • Email privacy


Zimbra was developed by Synacor. That’s a technology company out of Buffalo, NY. Synacor launched Zimbra in 2005.

Zimbra is collaboration software. A big part of it is the email server. The idea is to combine email with other teamwork tools. These include live chatting, 1:1 messaging and group chats. There’s also video conferencing, file sharing and screen sharing. There are tools for real-time collaboration on documents. For emailing, you can sync up Gmail, Yahoo, IMAP and POP. The platform works on Windows, macOS and Linux. You can create tags for emails. Email threads are displayed on multiple tabs. You also get undo send, restore email and scheduled delivery. Calendar and contact management are also available.

For prices contact Zimbra through their website.

Zimbra is best for:

  • Teams

  • Startups

  • SMBs

  • Collaboration

  • File sharing


Shift hails from Victoria, Canada. The people behind Shift have a goal to make work both more productive and more fun.

The Shift approach is to help you manage multiple workflows. You can create custom workspaces inside Shift and invite people to collaborate. Shift is a desktop email client that lets you sync up many email accounts into a unified inbox. It integrates G Suite apps, as well as Slack and Facebook Messenger. You can add extensions to Shift. These include things like Grammarly, Dropbox, HubSpot and Zoom. The overall idea is to create Shift Workspaces and add all your web apps to the UX. It can replace basic web browsing.

The basic Shift plan is free. The Advanced and Team plans are $99.99 per year.

Shift is best for:

Best Free Email For Mac Users

  • Individuals

  • Freelancers

  • Startups

  • SMBs

  • Extensions

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Key takeaways

To sum it all up, you’ve got no more excuses to stick with basic Gmail or Hotmail. Sure Outlook is a decent choice for Windows users. But we hope you’ve discovered some other good email client solutions.


What is the difference between webmail and email client?

An email client runs off your own computer, and you can also back up your emails in the cloud. This is opposed to webmail which hosts everything on a server. Email clients are more common for business purposes, while webmail is more for personal use.

What is client-based email?

Client-based email is email software downloaded to your computer. It also stores your email archives on your own computer. You can back up your emails in cloud storage. Client-based emails have more features than simple webmail, and are often premium products.

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