VIPER

Viper vs MVVM for iOS projects?

Answer:

Viper and MVVM are two distinct patterns for iOS projects. MVVM comprises three main parts: Model (data), View (user interface), and ViewModel (logic). It is simple, well suited to medium-sized apps, easy to organise, and makes testing straightforward with minimal extra code. Viper is more complex and splits code into five layers: View, Interactor, Presenter, Entity, and Router. These layers keep components separate and help scale and test large or complex apps. However, Viper takes longer to set up and is best suited to large or enterprise-scale projects. MVVM is good for improving app structure in medium-sized projects, while Viper fits larger apps that need strict organisation and more layers.

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