This list was nice to learn about some apps I wasn't yet aware of. One thing the author mentioned as a "con" a couple of times is "No option for automatic deletion of messages". It might be worth noting that no app can provide automatic deletion of messages. Yes there are some apps that have messages disappear after a time but there is nothing stopping those messages from being saved by the other party before that time. If not a data export then a screenshot, and if not a screenshot then a camera pointed at the screen. If the message is to be consumed by a human then it can be recorded.
The threat model that's addressed by deletion of message is the seizing of one's device by a hostile party (eg dictatorship). One cannot be incriminated by messages that have been deleted.
As you pointed out this will not help if your correspondent cannot be trusted.
The purpose of automatic message deletion isn't to protect you from someone actively trying to record your messages, it's to limit both parties liability in the event one or both parties are compromised by a third party after the fact.
Right, disappearing messages aren’t a safeguard against a malicious recipient, they’re a blast radius limiter on future device compromise on either end.
