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Delve into the realm of iOS and explore the multitude of approaches for executing asynchronous method calls. Analyze the pivotal role played by completion handlers, delve into the intricacies of async/await, and unearth other effective techniques leveraged in managing asynchronous tasks.

What benefits does the MVVM pattern offer for the structure of iOS apps?

Detail the architectural components for a messenger service on iOS.

How does iOS ensure efficient memory utilization within applications?

Design an alarm clock app for the iPhone

How would you undertake the design of an iOS app that aims to rival Etsy?

Outline your design strategy for an iOS music app that offers an experience comparable to Spotify.

What methods would you use for view controller navigation in iOS?

What would be your strategy for building a flight booking app?

We require a solution to turn a given square matrix clockwise, without resorting to creating another matrix.