Is NGINX better than Apache?

NGINX performs 2.5 times faster than Apache according to a benchmark test performed by running up to 1,000 simultaneous connections. Another benchmark running with 512 simultaneous connections, showed that NGINX is about twice as fast and consumed less memory.

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Does an app have a server?

You have to understand that for any communication between web application, mobile application or desktop application, there will always be a server . Even in file sharing applications like shareit, one mobile app works as server and same mobile app elsewhere works as client.

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