Onion Mail Alternatives

Sites and apps similar to Onion Mail include Proton Mail, which is open source with a free version. Other options are Tuta Mail, Disroot, Zoho Mail and Posteo. WebMail Providers like Onion Mail are a crowded field, with more than 25 alternatives for Android, iPhone, iPad, Linux and Windows.

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Onion Mail alternatives page was last updated Apr 15, 2026

QQ Mail
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Full support for general mail protocols to help you manage all your mailboxes on your phone.
65 QQ Mail alternatives
Cost / License
Freemium
Proprietary
Application type
Email Client
Origin
China
Platforms
Android
iPhone
Apple Watch
China
Good alternative?Is QQ Mail a good alternative to Onion Mail?
Horizon Mail
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Premium email, all at no cost. Join Horizon today and claim your premium inbox.
Cost / License
Freemium
Proprietary
Application type
WebMail Provider
Platforms
Online
Good alternative?Is Horizon Mail a good alternative to Onion Mail?

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