An iPhone app must be high-performing and meet customer requirements of agility, speed, and flexibility. If an app is not high-performing, users will lose interest and eventually delete it.

WhatsApp is a good example of a high-performing app. It provides communication features without significant lag.

Users can interact with each other in various modes, such as texts and video calls, and send each other images, videos, documents, and their location.

WhatsApp seamlessly performs all these functions, which is why it is one of the
There is an app for everything and for everything there is an app. I know, it does sound like a cliched alliteration,