Click to chat is an app that will help you to open chats directly without saving someone number.

we just need to select the country code and then input the number.

but why we are doing this, why not we save someone's number and store them in our mobile so the answer is we are meeting different people daily and contacting them daily and we just need to call and message them once so for that why we save there number why not there will be a tool that is use to help us in this problem.