Is it possible the reason of no use was a lack of publicity for the app?

This could have been the greatest app in the world but if (1) no one knows about it and (2) those that do are not getting updates (performance, usability, etc.) then the app probably is dying for reasonable cause.

I should also point out that being a lowly non-reputable person (i.e. not as active as some), I have limited abilities to contribute to some of this discussion, so if there was actual viable input to be gained, reputation restrictions may limit the ability to provide that input. I know this is a meritocracy but still, even newbies occasionally will have valuable input to provide.

Is it possible the reason of no use was a lack of publicity for the app?

This could have been the greatest app in the world but if (1) no one knows about it and (2) those that do are not getting updates (performance, usability, etc.) then the app probably is dying for reasonable cause.

I should also point out that being a lowly non-reputable person (i.e. not as active as some), I have limited abilities to contribute to some of this discussion, so if there was actual valuable input to be gained, reputation restrictions may limit the ability to provide that input in some context (i.e. I couldn't provide a comment but apparently can provide an "answer" - which from my experience will probably get downvoted before too long). I know this is a meritocracy but still, even newbies occasionally will have valuable input to provide.