SecureChatGuide.org
SecureChatGuide.org

My list of favorite secure messaging apps

Step-by-step guides and detailed information on secure messaging apps for Android, iOS, Windows, Mac and Linux.

My current top picks:


Criteria:

SMS Apps:


Messaging apps listed here do not expose your phone number or email address. Notes within [brackets] are potential negative attributes:



How about some rankings?


The following scoring table includes messaging apps that can be used across multiple platforms that synchronize conversations to all devices:

Application Additional sharing features- files, photos, etc Group chats Unified UI across platforms Messages sync to all devices Open source Perfect forward secrecy Ephemeral Messages Contact Verification Based outside the 5 eyes: +.5
Based outside the 14 eyes: +.5
Total score:
Wire 111111111 (Switzerland)9
BabelNet 111101111 (Czech Republic)8
WickrMe 1111.51110 (USA)7.5
Riot (Use with Caution) 111111010 (UK)7
Keybase 11111.5 (exploding messages)100 (USA)6.5
Tungsten 11110100.5 (Germany)5.5
Blackberry Messenger Enterprise 111100100 (Canada)5.0

The following scoring table includes messaging apps used on a single device:

Application Additional sharing features- files, photos, etc Group chats Open source Perfect forward secrecy Ephemeral Messages Contact Verification Clients on multiple platforms Based outside the 5 eyes: +.5
Based outside the 14 eyes: +.5
Total score:
Wire 11111111 (Switzerland)8
BabelNet 11011111 (Czech Republic)7
SafeSwiss 11011111 (Switzerland)7
WickrMe 11.511110 (USA)6.5
Threema 11.5.5 (only on the network layer)0111 (Switzerland)6
Riot (Use with Caution) 11110110 (UK)6
Keybase 111.5 (exploding messages)1010 (USA)5.5
Briar Project 011101015
Conversations (XMPP) 111.5 (OMEMO only)010.5 (Germany)5
TwinMe 1101001.5 (Germany)4.5
Tungsten 1101001.5 (Germany)4.5
Blackberry Messenger Enterprise 11001010 (Canada)4.0