Proton Mail vs. eM Client Comparison


Proton Mail Proton AG	eM Client	+	+
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About 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.		About Boost your email and skyrocket your productivity with the best email client for Windows and macOS. eM Client is a fully-featured email client with a clean and easy-to-use interface. It also offers features for calendars, tasks, contacts, notes, and chat. eM Client's compatibility is unmatched. You can connect to any email service – it will work. This email client works seamlessly with Google Workspace, Office 365, Outlook, Exchange and virtually all conceivable email technologies. Integrates with Online meeting tools such as Zoom, MS Teams, Google Meet and more. eM Client enhances email communication for professionals and home users alike. It is the only email app on the market with the full support of server-side rules and search, instant message translation, "Snooze email" and “Watch for reply” features + easy to use email encryption (PGP and S/MIME). It also works perfectly with Gmail, including support for tags and signature synchronization.
Platforms Supported Windows Supported Mac Supported Linux Supported Cloud Supported On-Premises Not Supported iPhone Supported iPad Supported Android Supported Chromebook Not Supported		Platforms Supported Windows Supported Mac Supported Linux Not Supported Cloud Not Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience Anyone who needs a secure email address with built-in end-to-end encryption		Audience Anyone who wants to improve their email experience
Support Phone Support Not Supported 24/7 Live Support Supported Online Supported		Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported
API Offers API Not Supported		API Offers API Not Supported
Screenshots and Videos View more images or videos		Screenshots and Videos View more images or videos
Pricing $6.99/user/month Mail Business plans include an up to 13% offer: Mail Essentials at $6.99/month/user billed annually. Workspace Standard at $12.99/month/user billed annually. Workspace Premium at $19.99/month/user billed annually. Free Version Not Supported Free Trial Supported		Pricing $59.95 one-time fee Pro license unlocks the entire eM Client functionality including Notes, Mass Mail, instant translation of emails, Send Email Later, All Attachments view, Snooze Email, or Watch For Reply features. Commercial use is allowed, as well as an unlimited number of email accounts (Free users are limited to 2 email accounts and non-commercial, personal use). Additionally, it's possible to purchase Lifetime Upgrades for a $70 one-time fee and get all future major versions and updates of eM Client + 1 year of VIP support. Free Version Supported Free Trial Supported
Reviews/Ratings Overall 4.6 / 5 ease 4.5 / 5 features 4.5 / 5 design 4.7 / 5 support 4.5 / 5 Read all reviews		Reviews/Ratings Overall 4.2 / 5 ease 4.4 / 5 features 4.6 / 5 design 4.5 / 5 support 4.1 / 5 Read all reviews
Pros from Real Users Pros All tools in one place — Mail, Drive, VPN, Calendar — make work simple and efficient. Seamless sync across devices keeps everything smooth and effortless, with flexible plans for any need. Trustworthy service from Switzerland. So its Europe. proton meets all legal requirements, so it is perfect for business. Availability is very good. I like the fact that it was constructed around account safety and it has a fresh interface. It has a lot of features and it is quite affordable for regular users. - Easy to use, - Open source, - Possible to use with a custom domain (requires a premium subscription), - Privacy orientated (something truly rare these days!) The web client is great for all my needs, and ProtonMail is a privacy-respecting e-mail provider, based on Switzerland. The # draw is that this is a secure, privacy-focused email alternative. It also has a very sleek interface. Can encrypt if you want, or not. All settings are available and it is easy to set up everything. Have a free version that I am currently using and it is not restricted in any way. Allows for two-factor authorization. ProtonMail offers encrypted emails, so it's a good option for those looking for a more private, secure email service compared to the bigger ones out there like Gmail and Outlook. It's got fairly priced options, and the free version isn't too bad either. I love that my emails are end to end encrypted. I found out that Gmail reads my emails and I quickly signed up for the free version. Open source Easy to use Good security and privacy Multi level security and encryption Free tier Mobile version alongside web version		Pros & Cons from Real Users Pros Lot of mail Accounts from different providers. eM Client just works! Many ways to filter mails, to organize junk mails etc. And, also a calendar and addresses are included. So everything you need :) For me, eM Client has a well-balanced range of functions, but is not as overloaded as Outlook. The program is easy to use, considering the variety of functions. I was really satisfied with version 9. ► All the features that you need to e-communicate everyday using multiple e-mail accounts ► Everything you may reasonably want to adjust can be adjusted ► Robust desktop app ► The UI is not just friendly – it is more: professional, efficient, reliable ► Setting up accounts is a breeze and transferring the set up from the desktop to mobile device in no time via QR code... a touch of magic Simple to use and download. Easy to follow menu and to set up email accounts. I do not need a complex app, just something to download my emails, view, delete and manage pesky spams. The ease of use and absolutely huge amount of features that you get with this email software is mindblowing. And the possibility to get this with a lifetime purchase is very rare and much appreciated. Cons Sometimes I get timeouts but I have no idea why. The provider is available, everything seems to be fine but eM Client is not able to connect, while thunderbird is. And sometimes it gets stuck loading an email. The computer is online but the eM Client doesn't seem to be able to connect and to show the mails content. I use eM Client on Macintosh computers and my most important argument, the frequent crashes, is based on the experience under MacOS. I cannot judge the behavior under Windows. Since version 10, eM Client keeps crashing, at least once a week. This can even happen when I leave the computer, when I come back I am told that eM Client has crashed. This gives me a bad feeling, especially because after restarting the program, the database is first checked and then repaired. If something goes wrong there In any case, I have never experienced such crashes with other e-mail clients that I used before switching to eM Client. Version 10 of the program was released a few months ago. Apparently the programmers are not able to get the problem under control. In addition, a support request ended with an unacceptable answer. Either the employee didn't know his way around or he didn't feel like dealing with my request. ► It took me a long time to discover this tool exists As I am not tech minded, have not come across any features that are of concern. Shortcuts good be more prominent and readily available but overall very easy to use and nothing to complain about. I received some server error during the first couple of days that made me hesitate on the service but after a call with great support the issue was resolved and now I am a lifetimer.
Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported		Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported
Company Information Proton AG Founded: 2014 Switzerland proton.me/business/mail		Company Information eM Client Founded: 2006 Czech Republic emclient.com
Alternatives eM Client		Alternatives Apple Mail Apple
Paubox		BlueMail Blix
Greatmail		Clyton Gammadyne Corporation
Proton Calendar Proton AG		Microsoft Outlook Microsoft
Spike View All		BlackBerry Hub+ BlackBerry View All
Categories Calendar Supported Email Clients Supported Email Encryption Supported Email Hosting Supported Email Management Supported Encryption Supported		Categories Calendar Supported Contact Management Supported Email Clients Supported Email Management Supported Productivity Supported
Calendar Features Calendar Sync Supported Collaboration Tools Supported Multi-Device Support Supported Reminders Supported Room Booking Not Supported Scheduling Supported Task Manaagement Supported Email Management Features Data Recovery Supported Email Archiving Supported Email Deletion Not Supported Email Discovery Not Supported Email Monitoring Not Supported Email Recall Not Supported Queue Manager Not Supported Response Management Supported Routing Not Supported Shared Inboxes Not Supported Signature Management Supported Spam Blocker Supported Whitelisting / Blacklisting Not Supported Show More Features Encryption Features Central Policy Enforcement Not Supported Drag & Drop UI Supported Email Encryption Supported Encryption Key Management Supported Endpoint Encryption Supported File Compression Not Supported File Encryption Supported Full Disk Encryption Not Supported Public Key Cryptography Supported Tokenization / Data Masking Not Supported		Calendar Features Calendar Sync Supported Collaboration Tools Not Supported Multi-Device Support Supported Reminders Supported Room Booking Not Supported Scheduling Not Supported Task Manaagement Supported Email Management Features Data Recovery Supported Email Archiving Supported Email Deletion Not Supported Email Discovery Not Supported Email Monitoring Supported Email Recall Not Supported Queue Manager Not Supported Response Management Supported Routing Not Supported Shared Inboxes Supported Signature Management Supported Spam Blocker Not Supported Whitelisting / Blacklisting Supported Show More Features Contact Management Features Activity Management Supported Appointment Management Not Supported Contact Database Supported Contact History Supported Contact Import/Export Supported Customer Pipeline Not Supported Email Marketing Not Supported Group Management Supported Interaction Tracking Not Supported Lead Management Not Supported Prospecting Tools Not Supported Sales Pipeline Management Not Supported Search / Filter Supported Segmentation Not Supported Shared Contacts Not Supported Social Media Integration Not Supported Productivity Features Collaboration Supported Database Creation Not Supported Document Creation Not Supported File Sharing Not Supported Notes Management Not Supported Office Suite Not Supported Presentation Tools Not Supported Project Management Supported Task Management Supported Team Chat Supported
Integrations Microsoft Outlook Supported Canary Mail Supported ClearMyInbox Supported Email Signature Rescue Not Supported Google Workspace Not Supported IceWarp Not Supported Kerio Connect Not Supported Microsoft 365 Not Supported Microsoft Exchange Not Supported Postbox Supported Proton Meet Supported ProxiedMail Supported Rambox Supported SSuite NetSurfer Prometheus Supported Sales Robots Supported Shift Supported Shopify Supported Vivomeetings Not Supported WebCatalog Desktop Supported iCloud Not Supported Show More Integrations View All 21 Integrations		Integrations Microsoft Outlook Supported Canary Mail Not Supported ClearMyInbox Not Supported Email Signature Rescue Supported Google Workspace Supported IceWarp Supported Kerio Connect Supported Microsoft 365 Supported Microsoft Exchange Supported Postbox Not Supported Proton Meet Not Supported ProxiedMail Not Supported Rambox Not Supported SSuite NetSurfer Prometheus Not Supported Sales Robots Not Supported Shift Not Supported Shopify Not Supported Vivomeetings Supported WebCatalog Desktop Not Supported iCloud Supported Show More Integrations View All 14 Integrations
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