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eM Client vs Proton Mail

Updated January 2, 2026

eM Client vs Proton Mail: Which is best for you?

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1 million+ businesses helped
2 million+ verified software reviews
Starting Price
34.95

one time

$6.99

per month

Free Trial
Free Version
Screenshots
and Demo
Product Screenshot
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Product Screenshot
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Top Rated
  Features
Contact Management
4.58
Inbox Management
4.58
Customizable Fields
4.43
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Encryption
4.63
Threat Protection
4.52
Email Attachment Protection
4.50
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Integrations
Microsoft Teams
Microsoft Teams
Dropbox Business
Dropbox Business
OneDrive
OneDrive
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Microsoft Outlook
Microsoft Outlook
Thunderbird
Thunderbird
Rambox
Rambox
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Pros / Cons
  • if you come from another email client, EmClient import your previous email configuration so you do not have to worry/bother about what to set in server and ports, very useful feature, especially for those who aren't skilled.
  • I think this is a bug that they are unable or unwilling to tackle because only a small number of users are complaining and it is easier for them to lose a few customers than it is to fix the problem.
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  • I like that ProtonMail doesn’t track me or read my emails, which is important when I’m dealing with lead lists or supplier conversations.
  • There’s no real integration with tools like ActiveCampaign (my email solution) or Google Sheets (my data solution), which makes it harder for me to slip it into my broader marketing stack.
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Ease-of-Use
4.3/ 5
Highest performing feature
in the comparison
4.4/ 5
Value for Money
4.1/ 5
Highest performing feature
in the comparison
4.2/ 5
Customer Support
3.7/ 5
Highest performing feature
in the comparison
4/ 5
Functionality
4.1/ 5
Highest performing feature
in the comparison
4.3/ 5
Support Options
Email/Help Desk
FAQs/Forum
Knowledge Base
Phone Support
24/7 (Live Rep)
Chat
Email/Help Desk
FAQs/Forum
Knowledge Base
Phone Support
24/7 (Live Rep)
Chat
Training Options
In Person
Live Online
Webinars
Documentation
Videos
In Person
Live Online
Webinars
Documentation
Videos
FrontRunners
N/A
N/A
Advisor
  Recommendations
N/A
N/A
Ideal Customer Size
Small
Medium
Large
Small
Medium
Large
Deployment Options
Cloud, SaaS, Web-Based
Desktop - Mac
Desktop - Windows
Desktop - Linux
Desktop - Chromebook
On-Premise - Windows
On-Premise - Linux
Mobile - Android
Mobile - iPhone
Mobile - iPad
Cloud, SaaS, Web-Based
Desktop - Mac
Desktop - Windows
Desktop - Linux
Desktop - Chromebook
On-Premise - Windows
On-Premise - Linux
Mobile - Android
Mobile - iPhone
Mobile - iPad