Best Email Clients for Cloud
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Compare the Top Email Clients for Cloud as of September 2025
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What are Email Clients for Cloud?
Email clients are software applications used to send, receive, organize, and manage email messages on desktops, mobile devices, or web browsers. They provide user-friendly interfaces to access multiple email accounts, support features like contact management, calendar integration, message filtering, and offline access. Email clients can be standalone applications or web-based. They often include security features such as spam filtering, encryption, and phishing protection to safeguard communications. Email clients are essential tools for personal and professional communication, enhancing productivity and organization. Compare and read user reviews of the best Email Clients for Cloud currently available using the table below. This list is updated regularly.
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1
Proton Mail
Proton AG
Proton Mail is the simplest way to protect your communications with built-in end-to-end encryption. Prevent data breaches, stay compliant with regulations like GDPR and HIPAA, and earn client trust. Protected by Swiss privacy laws and trusted by over 50,000 businesses, Proton Mail keeps your business data confidential and under your control. With Proton Mail and Calendar, your team can securely manage their inbox and schedule, while your organization maintains a professional presence with support for custom email domains and personalized branding. And with the Easy Switch tool, migrating from Google or Microsoft is seamless, no IT expertise required.Starting Price: $6.99/user/month -
2
Shift
Shift Technologies Inc.
Shift is the first fully customizable browser that empowers you to make the most of your life online. Shift allows you to drag and drop apps, bars, and controls, to create a central hub that adapts to however you work. Sign into 1,500+ web apps, swap instantly between Spaces for work, side hustles or personal browsing, and stay logged into multiple accounts at once. In addition, Shift is proudly pioneering carbon-neutral browsing as part of its promise to reimagine what browsers can do—not only for users, but for the planet. Founded in 2016 in Victoria, British Columbia, Shift is a Certified B Corp within the Redbrick portfolio. Key capabilities & features - Build your browser: Create a custom layout for how you use the internet. - Create Spaces: Create separation between work, side hustles, and passion projects. - Integrate Apps: Add web apps to Shift to customize its capability. - Templates: Choose from 6 different layouts to build on.Starting Price: Free -
3
Microsoft Outlook
Microsoft
Connect. Organize. Get things done. Email, calendar, contacts all in one place. Work efficiently with email, calendar, contacts, tasks, and more—together in one place. Office integration lets you share attachments right from OneDrive, access contacts, and view LinkedIn profiles. Book conference rooms and track RSVPs for meetings right from your calendar. Make plans and coordinate schedules by sharing calendars and seeing when your coworkers are available. Get peace of mind with enterprise-grade security trusted by many of the world’s largest organizations. Outlook works around the clock to protect your confidential information, without getting in your way. Outlook anticipates your needs. Travel and bill payments are automatically added to your calendar, and intelligent reminders help keep you on track. Search helps you find information quickly. -
4
Gmail
Google
Get more done with Gmail. Now more secure, smarter and easier to use—helping you save time and do more with your inbox. See what’s new at a glance, and decide what you want to read and respond to. Get nudges that remind you to follow up and respond to messages, so that nothing slips through the cracks. View attachments, RSVP to events, snooze messages and more without opening any emails. Gmail blocks 99.9% of dangerous emails before they reach you. If we think something seems phish-y, you’ll get a warning.Starting Price: $0 -
5
Google Workspace
Google
G Suite just got better — introducing Google Workspace (formerly G Suite). Everything you need to get anything done, now in one place. An integrated workspace that’s simple to use, Google Workspace lets you spend less time managing your work and more time actually doing it. Address what’s important and let Google handle the rest with best-in-class AI and search technology that helps you work smarter. Work from anywhere, on any device – even offline – with tools to help you integrate, customize, and extend Google Workspace to meet your team’s unique needs. Similar to G Suite, all Google Workspace plans provide a custom email for your business and includes collaboration tools like Gmail, Calendar, Meet, Chat, Drive, Docs, Sheets, Slides, Forms, Sites, and more. We have a variety of plans that are designed to meet your unique business needs. Discover which plan best fits your business needs on our plans and pricing page.Starting Price: $6 per user per month -
6
Spike
Spike
Spike brings your entire workspace into your Inbox: email, chat, calendar, calls, team collaboration, tasks — to one powerful Inbox. Everything you need to get your work done is in a single feed, so you can finally give the app-switching a rest. Spike’s conversational email fuses traditional email with instant messaging — eliminating cluttered email threads. With real-time conversations and live collaboration, have better interactions and a more human communication experience. Spike is available on iOS, Android, Mac, Windows & Web.Starting Price: Free -
7
Front
Front
Front’s powerful customer service platform makes five-star service attainable for over 9,000 businesses like yours. We bring together your core support channels in one intuitive, AI-powered workspace where your team can build collaborative workflows across the entire customer lifecycle. As your customer base and their needs grow, Front AI and customer intelligence serves up the efficiency and insights needed to keep your entire organization customer-first, every day. Plus, we care as much about our customers as you do yours: we provide industry-leading service to our entire customer base, regardless of your team size.Starting Price: $19.00/month/user -
8
Yahoo! Mail
Yahoo!
Yahoo Mail is a free email service from Yahoo, as well as a mobile app for email management. Thanks for checking out the Yahoo Mail app—the best email app to organize your Gmail, Microsoft Outlook, AOL, AT&T and Yahoo mailboxes. Whether you need a clutter-free mailbox, added customization, different views for deals, receipts, and attachments, or even more storage, we’ve got you covered. -
9
Helpwise
Helpwise
Shared Inbox for your Team Email, SMS & WhatsApp accounts. Sharing email account login among team members is not scalable. Helpwise is an easy to use shared inbox for your team email accounts like help@, sales@, jobs@ etc. As business grows, it becomes a struggle to manage customer, sales or internal emails (billing, hiring) across the company. And, then we make a blunder by sharing email logins among team members. We understand the chaos that it creates because we have been through the same pain during our previous gigs & businesses. So, this is exactly why we built Helpwise - the shared inbox that really works! We all love Gmail, Outlook & other awesome email clients. So, we have made sure that Helpwise feels as easy as these common email services. Basically, you won't miss them here. Every team member will get own separate login to access same email address. So, no more password sharing. Better security with higher productivity! -
10
RainLoop
RainLoop
Modest system requirements, decent performance, simple installation and upgrade, no database required - all these make RainLoop Webmail a perfect choice for your email solution. Modern user interface. Complete support of IMAP and SMTP protocols including SSL and STARTTLS. Sieve scripts (Filters and vacation message). Minimalistic resources requirements. Direct access to mail server is used (mails are not stored locally on web server). Allows for adding multiple accounts to primary one, simultaneous access to different accounts in different browser tabs is supported. Additional identities. Administrative panel for configuring main options. Really simple installation and update. Integration with Facebook, Google, Twitter and Dropbox. Managing folders list. Simple look'n'feel customization. Configurable multi-level caching system. Extending functionality with plugins installed through admin panel. Perfect rendering of complex HTML mails. Drag'n'drop for mails and attachments.Starting Price: $95 per year -
11
Fastmail
Fastmail
Email you can feel good about. features you’ll love. You get 100% of our efforts and expert support when you need it. Email holds the details of your life. Here, your story is protected, not monetized. Thoughtful and speedy email, calendars, and contacts; all ad-free. Built with you in mind, you’ll love our intelligent features. Internet companies use your data as a way to get rich. But it doesn’t have to be this way. Take back your privacy and get a better email experience. With your email on your side, you spend more time doing what you love. Use Fastmail in your web browser, on mobile devices, and on desktop apps (Outlook, Thunderbird, Mac Mail). Breeze through your day with email, calendars, and contacts all in one app. Seamlessly import your data. Keep your life organized with a full-featured inbox. Bring all your calendars together. Share with your favorite people. Use your custom domain, and own your email address forever.Starting Price: $3 per user per month -
12
Loop Email
Loop Email
Its hard being productive when you spend half your time reading emails, and the other half flipping between platforms to tell your team about said emails. You need a single app thats going to help you move faster and keep everything and everyone on the same page. As a collaboration hub, Loop Email connects your team so you can chat, exchange files, and manage shared inboxes easily. It brings messages, emails and files in one app. Loop Email helps teams connect, collaborate and communicate all in one place. Available for Mac, Windows, iOS & Android.Starting Price: $8 per user per month -
13
Zoho SalesInbox
Zoho
Turn unopened emails into closed deals with the only email client built exclusively for salespeople. The first email client built exclusively for salespeople. The most recent email isn't always the most important. Especially in sales. You need to stay on top of the deals that are most likely to turn into revenue. A traditional email client won't help you do that. But SalesInbox will. SalesInbox automatically prioritizes and organizes your emails according to the deals that matter most to you. See more -and do more- right from your inbox. Have your mailbox reflect your sales pipeline and your emails organized according to sales priorities, so that you stay on top of deals that matter the most. For better communication, you need better context. Know every detail about your customer to get a clearer picture and craft better responses. Get alerts for follow-up activities and notifications about the conversations that matter most. Follow-up faster and also automate the process. -
14
SmarterMail
SmarterTools
SmarterMail is the ideal Microsoft Exchange alternative. It’s the only business email server on the market that offers native support for Exchange protocols: MAPI, EWS, and EAS, without requiring any additional software or plug-ins for Microsoft Outlook or other desktop or mobile clients. It delivers all the features of Exchange at a fraction of the cost. SmarterMail also includes audio/video group chat and Online Meetings for team collaboration at no extra charge. Its newest feature, the SmarterMail Marketplace, enables seamless integration with platforms like OnlyOffice, Collabora, and AI tools such as OpenAI’s ChatGPT. Available for both Windows and Linux, SmarterMail has lower hardware requirements, superior stability, and reduced maintenance costs. It’s the perfect solution for businesses of any size or industry seeking Exchange-level functionality, without the high costs.Starting Price: $500.00/one-time -
15
Hiri
Hiri
An incredibly easy way to manage your inbox. Built for the Microsoft email ecosystem. We also support: outlook.com, hotmail.com, live.com and msn.com. Email doesn’t have to be ugly. A cluttered inbox is like a cluttered desk - it makes it difficult to get in the right headspace. We’ve used the UX principle of progressive disclosure throughout Hiri so you only see what you need when you need it. Good design is at the heart of what we do. For example, regardless of what resolution or what size monitor you use the center pane in Hiri will always remain the same width. This is because the optimum readable length of a sentence is about 96 characters. Any longer and it can be difficult to find the beginning of the next sentence. Any shorter and your eyes need to work harder, causing fatigue.Starting Price: $39 per year -
16
Amazon WorkMail
Amazon
Amazon WorkMail is a secure, managed business email and calendar service with support for existing desktop and mobile email client applications. Amazon WorkMail gives users the ability to seamlessly access their email, contacts, and calendars using the client application of their choice, including Microsoft Outlook, native iOS and Android email applications, any client application supporting the IMAP protocol, or directly through a web browser. You can integrate Amazon WorkMail with your existing corporate directory, use email journaling to meet compliance requirements, and control both the keys that encrypt your data and the location in which your data is stored. You can also set up interoperability with Microsoft Exchange Server, and programmatically manage users, groups, and resources using the Amazon WorkMail SDK. Amazon WorkMail features simple, low, monthly per-user pricing and costs $4 per user per month which includes 50GB of storage per user.Starting Price: $4 per user month -
17
Pingly
Pingly
Pingly is a beautiful, modern email service built for today's internet. Enjoy email again with a modern and easy to use interface. Pingly isn’t just an email client, it’s also a full-featured email provider that hosts email on your domain. hat with your team using Channels. Pingly integrates email and team chat into a single interface. Save time and stay focused without having to switch between different apps. Pingly is your communication hub Message or talk seamlessly with anyone over Email, Text & Voice from a single unified platform. Pingly brings email and team chat into one place so you can stay focused and get work done. Whether for your business or side-project, Pingly is built for organizations of all sizes ranging from solo entrepreneurs to large teams. At its core, Pingly is a modern, full-featured email service built for today's internet. Setup email on your domain with Pingly in minutes and have your team collaborating together in no time.Starting Price: $5 per user per month -
18
QQmail
Tencent
QQmail app gives you an excellent email experience and instant new mail notifications. You may access your QQ e-mails from an Android device more efficiently. Get new mail notifications instantly, and send photos and files from your phone using QQmail. Preview attachments online or open them with apps on your phone. Search emails in all or specific folders and manage emails easily in the inbox,group-mail folder, personal folders, and other POP account folders. Access emails with enterprise email accounts. Synchronous update data between your phone and computers.Starting Price: Free -
19
Zero
Zero
Zero is an open source email application designed to prioritize user privacy and security, offering a customizable email experience. It allows users to manage their emails across various categories, such as primary, important, personal, updates, and promotions, enabling efficient organization and navigation. As an open source solution, Zero encourages community collaboration and transparency, inviting users to contribute to its development and enhancement.Starting Price: Free -
20
Notion Mail
Notion
Notion Mail is an AI-powered email platform that reimagines the inbox with a minimalist, customizable interface designed to streamline communication and enhance productivity. It allows users to organize their inboxes through AI-driven auto-labeling that categorizes emails based on content, such as job offers, travel bookings, or newsletters. Users can create custom "Views" to filter emails by topic, sender, or urgency, enabling focused attention on what's most important. It supports Notion-style slash commands for formatting, built-in scheduling linked with Notion Calendar, and AI-assisted email drafting to expedite responses. Snippets allow for reusable email templates, reducing repetitive writing tasks. Notion Mail maintains robust security standards, including SOC 2 Type 1 certification and HIPAA compliance, ensuring user data is protected.Starting Price: $10 per month -
21
Zimbra
Synacor
Zimbra 9 : Extensibility for Collaboration Superheroes! Users move seamlessly between desktop, mobile and tablet browsers with a consistent email and collaboration experience. Designed for extensibility and features best- in-class, out-of-the-box integrations with Slack, Dropbox and Zoom, with many more underway. Zimlet framework and APIs let you customize Zimbra to meet your specific requirements. Zimbra’s dependable server infrastructure for the security, privacy and data sovereignty Zimbra customers expect. Expect an easy upgrade process moving to Zimbra 9 — with no data migration. Zimbra 9's modern, responsive UI is built on Zimbra's dependable server infrastructure for the security, privacy and data sovereignty you expect from Zimbra. Unlike competitors with closed platforms, Zimbra 9 is flexible and extensible. Break free from Microsoft and Google and integrate with the 3rd party collaboration services you use today—Slack, Zoom, Dropbox and more.Starting Price: Varies -
22
Superhuman
Superhuman
We rebuilt the inbox from the ground up to make you brilliant at what you do. We specifically designed it for those of you who want the best. Superhuman is gorgeous. Blazingly fast. And comes with advanced features that make you feel superhuman. A.I. Triage. Undo Send. Insights from social networks. Follow-up Reminders, Scheduled Messages, and Read Statuses. To name but a few. Superhuman is so fast, delightful, and intelligent — you'll feel like you have superpowers. We set out to design the most beautiful email experience ever made. We repeatedly pored over every pixel. We meticulously crafted every interaction. Everything, from the iconography to the typography, has been relentlessly refined. On average, we all spend 3 hours a day in email. When you use something for that long, it should be subtle, delightful, and gorgeous.Starting Price: $30 per user per month -
23
GroupWise
OpenText
GroupWise gives users a dynamic, flexible interface that’s intuitive and easily configured to conform to the organization’s requirements. GroupWise runs on cutting-edge data center technology providing modern email, calendaring, and contact management functionality. Create, view, and manage your tasks, appointments, and reminders via the GroupWise task management system. GroupWise provides convenient and centralized access to your contacts, groups, organizations and resources. Secure messaging gateway provides zero-hour antivirus and anti-spam protection on-premises or in the cloud. Bad things happen, but your email and collaboration data can still be safe and sound. Protect against data loss with enterprise-grade archiving. GroupWise provides robust messaging, calendaring, task management, and contact management with a web-based, on-the-go administrative dashboard. -
24
Taurin
Taurin
Auto-segmentation, smart filtering, AI auto-complete, and built-in CRM. Stop wasting time on repetitive tasks. Manage contacts with custom properties. Adapt to any scenario, from sales to marketing and recruitment. Simplify your email experience with Taurin. This tool organizes your inbox, provides summaries, and enriches your contact database. With Taurin’s autonomous features, you’ll spend less time managing emails and more time building meaningful connections. Email isn't going anywhere, but how we handle it needs to evolve. With remote work becoming the norm and digital communication exploding, we need smarter tools to manage our interactions. Taurin isn't just another email client, it's your personal email intelligence partner. Smart AI that intelligently organizes your emails. Rich contact insights that give you the full picture. Lightning-fast AI writing assistant with auto-summarize and auto-complete. Built-in CRM to keep all your relationships organized. -
25
IceWarp
IceWarp
The only office rule is, there is no office. Business email, TeamChat for project teamwork, real-time office document collaboration and online meetings. All in our secure cloud and for half the usual cost. Chat in teams organized around projects, upload files, mention coworkers, comment on posted emails, pin important posts. Integration with email enables sharing received messages directly to TeamChat room for colleagues‘ attention. Skyrocket your office work effectivity with Desktop Client and Desktop Office documents on Windows as well as Linux devices. Get the complete Suite, or choose only the app you need.Starting Price: $312.00/year/user -
26
HCL Notes
HCL Software
Integrate social collaboration, messaging and business applications into a single workspace. HCL Notes is the email client software that gives teams access to email, calendar, and contact management capabilities, and seamlessly integrates other collaboration tools and HCL Domino business applications. With an improved user experience and enhancement of essential mail features, HCL Notes transforms your everyday email into an operational center and becomes even more essential to how your team’s work. Integrate social collaboration, messaging and business applications into a single workspace with Notes. Now, with an improved user experience and enhancement of essential mail features. From leading logistics companies to powerful banks and fashion houses, thousands of the smartest businesses in the world rely on Notes to help run their everyday. -
27
berry
eSense Software
berry® has covered the correspondence management like no one thought was possible. We helped more government organization and private institutions organize their communication by letting people take control of what matters first. Choose between designing your own controlled processes, or switch to Ad-hoc that users run dynamically. We have a user experience that will thrill top management, and active operational employees. Active Directory and HR integration goes along with strong authentication and wide set of permissions that track activities! We do more than anyone ever did to close the needs of different spectrum of clients with medium to large set of team members! berry® streamlines team meetings management and links correspondences, documents, internal team members, and invitees from outside to meet and collaborate during the meeting. -
28
Shortwave
Shortwave
Email connected the world, but it lost its magic along the way. We believe it deserves better, and we're on a mission to bring email up to speed (literally) with modern messaging apps. Email should prioritize people, not advertising. Getting through your inbox shouldn't require busywork, and sending an email should be as fast as typing a text message. That's why we're building Shortwave: to recapture the magic of email with a beautifully designed product that works for everyone. Create channels to keep your team on-topic and make past conversations searchable. Instant delivery, typing indicators, and emoji reactions make conversations with other Shortwave users come to life. Use @-mentions to push notify the right people when you need them to join in. Shortwave connects to your existing Gmail account. Sign in today to get your inbox organized in minutes. You'll have the option to invite your teammates later. -
29
Kiwi for Gmail
Kiwi for Gmail
Kiwi enhances Gmail and makes Google Apps like Docs, Sheets and Slides work together seamlessly like a full-featured desktop office productivity suite. Use Gmail and Google's office suite outside the browser as a standalone application with powerful enhanced features. Gmail's a powerful application. The browser is a general-purpose tool. If you need to do serious work, here is your edge. Distinct from what Gmail uses in the browser, we designed a powerful engine that allows multiple accounts to be used together with 100% fidelity and no conflicts. It works with Google Drive, Docs, Sheets, and Slides as well. Redefine your inbox on the fly to see what's come in today, or the past 2 days, or past week. Further whittle those down to only emails marked Important with Google AI, Unread, Attachments and Starred. Combine them to keep your inbox limited to a short list of your most relevant emails. Need to see your other emails? All it takes is a click to mix it up or turn it off.Starting Price: $29.99 per year -
30
AOL Mail
AOL
AOL Mail provides a safe and delightful email experience for millions of people around the world. AOL is a global media and technology company, representing the best of all worlds: premium content and innovative technology. Our continued growth and evolution is the product of nearly a decade of careful cultivation of our internal strengths, coupled with thoughtful acquisitions and rigorous integration of the very best technologies and talents on the market. Today, AOL utilizes its four pillars of video, mobile, ad technology and platforms, and open ecosystems both within our own properties such as The Huffington Post, TechCrunch, Mapquest, and MAKERS as well as when working with brands to reach new audiences and drive compelling narratives in ways never done before. AOL is a subsidiary of Verizon. Follow us on twitter @AOL_Inc.
