The iOS app is slow with typing lag, there were two outages, and deals are advertised in the desktop app.
79signal
295reviewsi
A score out of 100. Negative and mixed reviews take points off, and so does having only a few reviews, so a handful of glowing reviews can’t beat a product many people like.
54% Positive13%33% Negative
Most customers find it reliable for email with a custom domain, an easy switch from Gmail or Google Workspace, and good spam filtering.
What customers love, and what they don’tWhat customers noticed
Customer reviews (295)
Add your reviewShowing 10 reviews mentioning upsells Show all
After three years of paying, got their first ad in Proton Pass last week.
After a month on Proton free, chose not to subscribe because of the constant push to upgrade and promote other services.
Already pays for Proton Mail but finds the alias limit on custom domains forces paying twice as much.
At renewal, Proton support pushed them to Unlimited when they wanted the same price; leaving also over AI and no bridge-free IMAP.
Turned off all notification and ad settings yet still gets promotional ads in Proton.
Dislikes that the Proton desktop app needs a paid account while the Android app is free.
Would not have signed up had they known Proton's 10-alias limit also applies to custom domains.
Paid for two years of Proton Unlimited yet still sees a big promotion button and upgrade options in the app.
Says a failed prepayment for a non-email Proton service can lock you out of email, and finds the plans pricey with few masked emails.
Common questions about Proton Mail
What do customers say about Proton Mail?
Most customers find it reliable for email with a custom domain, an easy switch from Gmail or Google Workspace, and good spam filtering. Complaints include weak body-text search, occasional outages, slow support and development, and constant prompts to upgrade. A few report mail from Proton addresses landing in spam.
Is Proton Mail worth it?
Of the 249 reviews with a clear verdict, 54% are positive, 12% mixed and 33% negative. The praise mentioned most is reliable. The most common complaint is poor support.
What do people like about Proton Mail?
The praise reviewers mention most: reliable (47 reviews), easy migration (36 reviews) and good deliverability (24 reviews). For example: Left Proton for Microsoft after two years and called it a mistake, returning in 2025 with their custom domain.
What are the most common complaints about Proton Mail?
The complaints reviewers mention most: poor support (20 reviews), outages (14 reviews) and upsells (8 reviews). For example: Account created via temp email was locked for suspicious activity on first use until another email was added.
What does the signal score of 79 mean?
It's how well reviewed Proton Mail is, out of 100. Negative and mixed reviews take points off, and so does having only a few reviews: a service needs plenty of them, compared with the most-reviewed services here, to reach the high 80s and 90s. It's worked out from reviews only, needs at least 5 of them, and updates as new ones come in.
What are the specs of Proton Mail?
Category: Email hosting. Free plan: Yes.
How does Proton Mail rank?
#2 in Best Email Hosting 2026, ranked by real customer reviews.
Where do these Proton Mail reviews come from?
295 are quotes from Reddit and YouTube, each linked to the original. Customer reviews are checked for spam before they appear. Every review, written here or quoted, is read as positive, mixed or negative.