In 2022, what are the most popular Swift design patterns for iOS apps?

As Swift is a relatively new programming language, many developers are unsure about which design patterns to utilize and how to apply them. To create effective, high-quality, and secure apps, you must be able to employ a relevant design pattern.

We’ve chosen to help by taking a closer look at the most popular design patterns in Swift and demonstrating how to utilize them to solve common difficulties in mobile development.

Software Design Patterns Are Divided Into Three Major Groups

In general, the design patterns utilized in Swift iOS programming may be classified into three groups. They include the following:

  • Creational
  • Structural
  • Behavioral

1. Creational

The object mechanisms may be created with the aid of creational design patterns. It gives solid proof in favour of items, allowing them to be used in a certain situation. Singleton, Factory, Abstract, Builder, and other approaches are examples of creational design patterns.

The Singleton Method

The Singleton method is used when you just require one instance of a class or a single object copy. The access is allowed to a single instance worldwide. It uses a lazy loading approach to construct the single instance during the first try.

The Factory Method

When deciding between the common protocols integrated classes and those that share a common base class, you’ll need to pick the Factory Method. This design pattern uses logic to choose which class to use. This method’s complete logic encloses the solution.

The Abstract Method

The Factory method and the Abstract method are the same. The only distinction is that it is used to create a collection of items. The pattern cannot be used to anticipate the implementation. It aids in the selection of a certain object.

Builder Method

Choose the builder technique if you wish to create complex items from basic ones in a methodical manner. The benefit is that if you’re creating several objects, you’ll need to use comparable code. The Builder Method separates the object’s construction from its own class.

 2. Structural

The Structural Design Pattern’s goal is to make the design process easier by identifying a simple approach for linking classes and objects. It also includes techniques such as MVC, Adapter, Facade, Decorator, and Bridge, among others.


The Model-View-Controller (MVC) design pattern is recognized as a must-have for iOS app development. The Model can only be inferred from the data. The View may be linked to anything, including the interface design and animation button creation. However, it is recommended that the animation be drawn using a distinct class.


The adaptor is a structural pattern that makes it possible for objects with incompatible or mismatched interfaces to function together. The adaptor would enclose the object that dealt with metres and converted the data to feet.


As the name implies, this pattern aids in the addition of additional features to an object and the wrapping of those functionalities in wrappers. As a result, it’s also referred to as the Wrapper design pattern. It allows you to add behavior and responsibility to an object without changing the code.


The Facade approach is excellent for providing a simple interface to libraries, frameworks, or a complex set of classes. Hire iOS app Developers who don’t have to show a lot of different methods with different interfaces.

3. Behavioral

The Behavioral Design Patterns are extremely helpful in identifying and integrating common communication patterns across units. It also has various useful techniques including the Template Method, Observer, Momento, and Command, among others.

Template Method

The Template Method is a behavioral pattern that delegate tasks to subsystem stages and is generally considered as the algorithm’s backbone. This allows subclasses to redefine an algorithm’s phases without affecting the overall structure. The algorithm is broken down into many parts, each of which is expressed in numerous ways using the template approach.


In this design, the object simply informs the other objects that their status has changed. The changes of one item are signaled by the changes of the other. Push Notifications are a good example.


This design uses CoreData to save items like as UserDefaults, Archiving, and the NSCoding protocol.


A method is connected to an action touch in the Command Pattern to create an interface.

We’re almost done talking about some of the most important design software patterns with leading iOS app Development Services in Australia for developing iOS apps with the Swift programming language. You can use a number of extra design patterns depending on the project’s requirements.


Choosing the right design patterns is critical since it helps you to create a more responsive, totally functioning, and secure software. The use of design patterns simplifies the development process. Furthermore, Shiv Technolabs, a Best iOS app Development Company in Australia assist you upgrading and maintaining the development process. If you launch your software on the App Store, it will be more compelling.