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ProtonMail Reviews

4.3 out of 5

What is ProtonMail?

ProtonMail mindshare

As of September 2025, the mindshare of ProtonMail in the Email Applications category stands at 6.6%, up from 3.4% compared to the previous year, according to calculations based on PeerSpot user engagement data.
Email Applications Market Share Distribution
ProductMarket Share (%)
ProtonMail6.6%
Google Workspace20.6%
Microsoft Exchange Online12.8%
Other60.0%
Email Applications
 
 
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Valuable Features

Room for Improvement

Top industries

By visitors reading reviews
Computer Software Company
17%
Comms Service Provider
15%
Educational Organization
11%
Government
6%
Construction Company
6%
Non Profit
5%
Manufacturing Company
5%
Hospitality Company
5%
Performing Arts
4%
Financial Services Firm
4%
Healthcare Company
4%
Media Company
4%
Outsourcing Company
4%
Energy/Utilities Company
3%
Retailer
3%
Aerospace/Defense Firm
2%
University
2%
Wholesaler/Distributor
1%
Consumer Goods Company
1%
Legal Firm
1%
Logistics Company
1%
Real Estate/Law Firm
1%
Venture Capital & Private Equity Firm
1%
 
ProtonMail Reviews Summary
Author infoRatingReview Summary
Media Content Creator Intern4.0I use ProtonMail primarily for sending anonymous emails for activist work. I appreciate its trustworthiness and ease of use, though it's mostly favored by tech-savvy users. It could benefit from broader appeal to enhance its popularity for general use.
Works4.5No summary available