Question Mobile apps that let you message anonymously without an account

[Murren]

They work kind of like temporary-use messaging tools in spy movies.
For example, keet and wiremin. No sign-up at all. I’m looking for similar apps but without any payment features.

 

[COLGeek]

What do you intend to do with these apps? Knowing the "why" may help with the "how".

 

[USAFRet]

They work kind of like temporary-use messaging tools in spy movies.
For example, keet and wiremin. No sign-up at all. I’m looking for similar apps but without any payment features.

"message anonymously".

How is the recipient supposed to know who the message is coming from?