Instead of Proton Mail, try one of these 10.
Every alternative is lined up against Proton Mail on what people actually switch for: price, open source, self-hosting, offline use and platforms. Proton Mail sits in the first row, so you can see what you give up.
Alternative
Price
Open source
Self-host
Offline
Platforms
Likes
Proton MailWhat you have now
End-to-end encrypted email from Switzerland.
PriceFreemium
plus $4/mo
Open sourceYes
Self-hostNo
OfflineNo
Platforms
Web · iOS · Android
Encrypted email and calendar with a free tier.
PriceFreemium
pro €3/mo
Open sourceYes
Self-hostNo
OfflineNo
Platforms
Web · iOS · Android
LikesVisit ↗
Fastmail#2
Fast, private email with your own domain and calendar.
PricePaid
from $5/mo
Open sourceNo
Self-hostNo
OfflineNo
Platforms
Web · iOS · Android
LikesVisit ↗
Yandex Mail#3
Email with built-in translator and generous storage.
PricePaid
Open sourceNo
Self-hostNo
OfflinePartial
Platforms
Web · Android · iOS
LikesVisit ↗
Disroot#4
Free privacy-focused platform offering email and cloud services.
PriceFree
Open sourceYes
Self-hostNo
OfflineNo
Platforms
Web
LikesVisit ↗
mailbox.org#5
Private German email with cloud storage and office tools.
PricePaid
Open sourceNo
Self-hostNo
OfflineNo
Platforms
Web
LikesVisit ↗
Mailfence#6
Encrypted email suite with calendar and document tools.
PriceFreemium
Open sourceNo
Self-hostNo
OfflinePartial
Platforms
Web · Android · iOS
LikesVisit ↗
Posteo#7
Low-cost German mailbox focused on privacy and sustainability.
PricePaid
Open sourceYes
Self-hostNo
OfflineNo
Platforms
Web
LikesVisit ↗
Infomaniak kMail#8
Swiss hosted mail with collaboration tools and ethical hosting.
PriceFreemium
Open sourceYes
Self-hostNo
OfflinePartial
Platforms
Web · iOS · Android
LikesVisit ↗
StartMail#9
Dutch private email service built by the Startpage team.
PricePaid
Open sourceNo
Self-hostNo
OfflineNo
Platforms
Web
LikesVisit ↗
Hushmail#10
Canadian encrypted email aimed at small businesses.
PricePaid
Open sourceNo
Self-hostNo
OfflinePartial
Platforms
Web · iOS · Android
LikesVisit ↗
How to read this. “Yes” means fully supported by the maker. “Partial” means it works with caveats. Likes reflect community popularity; vendors can’t pay for them or for placement. How we compare.
Proton Mail alternatives at a glance
Proton Mail is a freemium email app (plus $4/mo). We compared 10 alternatives: 4 are open source, 1 is completely free, 0 can be self-hosted and 0 work fully offline. The most popular is Tuta Mail, with 880 likes.
Best free optionDisroot
Free privacy-focused platform offering email and cloud services.
Free · Open sourceBest open-source optionPosteo
Low-cost German mailbox focused on privacy and sustainability.
Paid · Open source