In the dynamic realm of technology, iOS App Development holds a pivotal seat. The universe of Apple's iOS has always been at the forefront of revolutionizing the digital landscape, thanks to its innovative concept and a user-centric approach. Given the current scenario, it is essential to delve deep into the future of iOS app development, discerning the emerging trends and making predictions that could potentially alter the course of this industry.

Let's begin by understanding iOS App Development. It implies the process of creating applications for Apple's mobile operating system. The significance of iOS App Development stems from the popularity and high-end appeal of Apple products such as iPhones, iPads, and iPod touch. These devices have largely dominated the market, resulting in a rising demand for iOS applications.

The evolution of Swift, Apple’s programming language, has played an instrumental role in shaping the iOS app development ecosystem. Swift is an open-source, easy-to-learn language, designed specifically to optimize the performance of iOS applications. Swift's safety, speed, and dynamic nature have pushed the boundaries of iOS app development, allowing developers to create high-quality, reliable, and fast applications.

Now, let's put the spotlight on the future of iOS app development. Several emerging trends are poised to set the tone for the next wave of iOS app development, mainly driven by advances in technology and shifting user preferences.

Predictably, Artificial Intelligence (AI) and Machine Learning (ML) are expected to significantly influence future iOS apps. Apple's Core ML framework has made it easier for developers to integrate machine learning models into their apps, resulting in intelligent applications that deliver personalized user experiences. AI and ML can enhance iOS apps by enabling features like predictive text, voice recognition, and facial detection, making applications more interactive and user-friendly.

Another trend to watch out for is Augmented Reality (AR). With ARKit, Apple has paved the way for developers to create immersive AR experiences on iOS devices. From gaming and design to shopping and learning, AR is redefining the boundaries of app functionality and user engagement.

In the light of the ongoing pandemic, the popularity of wearable technology has reached new heights. The future of iOS app development is likely to see more integration with wearable devices, particularly the Apple Watch. Apps will need to adapt to smaller screens, focusing on core features and seamless communication between devices.

The era of Internet of Things (IoT) is also on the horizon. More and more apps will be developed to interact with IoT devices, leading to an interconnected ecosystem of devices that communicate with each other, enhancing user convenience and efficiency.

On the security front, iOS has always been a step ahead of other operating systems. However, with growing cybersecurity threats, the focus on security in future iOS app development will be paramount. Developers will need to build apps with robust security measures to protect user data and privacy.

Looking at the overall trajectory, the future of iOS app development is brimming with opportunities and challenges. While the emerging trends promise to take app experiences to new heights, they also present obstacles and complexities that developers will need to overcome.

To conclude, the field of iOS app development is in a constant state of flux, shaped by technological advancements and user expectations. As we venture into the future, it will be intriguing to observe the evolution of this dynamic realm. Meanwhile, developers should stay informed and equipped to adapt to the changing tides, leveraging the new trends to create innovative and impactful iOS applications.