There are many apps that are used for communicating with someone or friends. Some of these are listed below.
Instagram is an app that you can comment on someone’s image, take a picture and a video of someone or oneself and write down about it, ad communicate with someone.
Tiktok is an app where you can make short videos, comment on their videos, and you can communicate with friends.
Discord is an app that is for 13 teenagers, you can communicate with your friends, calling each other and making their own party to communicate with each other.
Snapchat is an app that you can also take a picture and a video of someone or yourself and communicate with others.
There are a lot more communication apps that can help you talk with your friends and messaging each other.