ProtonMail vs Threema. The Secure Messenger

Side-by-side comparison to help you choose

FeatureProtonMailThreema. The Secure Messenger
Our Rating4.34.2
App Store4.3
Google Play4.34.0
PriceFree$7.49
Downloads10M+5M+
Size104 MB
In-App Purchases
Requires Internet
Age RatingEveryoneEveryone
DeveloperProton AGThreema GmbH

Choose ProtonMail if...

ProtonMail is a solid choice for privacy-conscious individuals who want to secure their email communications, and who mainly use the web or desktop versions. Frequent Android app users should consider its reported performance issues before fully committing, as reliability may vary.

Choose Threema. The Secure Messenger if...

If privacy and security are your top priorities, and you're willing to pay a one-time fee for a messenger app, Threema is a solid choice. However, if you need seamless multi-device support and rock-solid call stability, you might want to explore other options before committing.

Get ProtonMail

Get Threema. The Secure Messenger