When comparing StealthChat vs Silent Text, the Slant community recommends StealthChat for most people. In the question“What are the best encrypted messaging apps for Android?” StealthChat is ranked 6th while Silent Text is ranked 10th. The most important reason people chose StealthChat is:
Messages can be set to self-destruct after a set time.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Can send self-destructing messages
Messages can be set to self-destruct after a set time.
Pro Offers 3 types of encryption
The app claims to be the only communication app that encrypts data in transit, on disk and on screen. Encryption in transit is used to make sure no-one can listen in on your conversations even if the traffic is going through their servers, encryption on disk is used to make sure that even if someone gets ahold of your phone and is capable of extracting your messages from it they won't be able to read them and screen encryption is essentially a lock screen that sets in after a set amount of time used to make prevent "shoulder surfing".
Pro Encrypted message attachments
Files can be attached to messages that will also be encrypted.
Pro Passed EFF's security review
To pass EFF's security review Silent Text had to encrypt data in transit, the encryption had to be end-to-end, the app needed to provide forward secrecy, app's source code has to be open to independent review, users have to be able to verify contact's identities even with the service provider compromised, app's cryptographic design has to be well documented and app's source code has to have been audited in the last 12 months.
Pro Messages can be set to self-destruct
Messages on both senders and receivers phones can be set to delete after a set period of time.
Pro Encrypted locationsharing
It's possible to geotag messages to share location.
Cons
Con Many people have difficulty registering the app
Multiple people have reported not being able to receive the activation code required to register the app.
Con Code is not verified
Con Poor support
Con Lacks group chat
Con Closed source
No way to verify security practices.
Con Expensive
While the app itself is free, to use it a subscription is required with prices starting at $9.95/mo.