Squawkin will be useful for your needs as it puts you together with other friends or family
Also, it will really help you organize various things through your phone and even help you meet like-minded folk.
Here you can either join groups or crowds, or opt to create your own.
Groups are designed specifically to be searchable or hidden, in which it allows you to invite your friends to gather around and to discuss anything.
You can also send text, an audio message, or include a photo.
Moreover, you are able to use them to follow people with similar interests to your own or potentially build up your own following.
Privacy in this app is always at the forefront with plenty of options to remain hidden, both singularly and as part of a group.
But it lacks some useful tooltips and a tutorial, but it works well where it counts.
In conclusion, Squawkin is a little quiet, and it is the best for those who want to organize things privately.
ALongside, it does a great job by offering private messaging as well as group communication.