Personalized User Experiences: AI algorithms can analyze user data to deliver personalized content, recommendations, and experiences, leading to increased user engagement and satisfaction. 

Intelligent Automation: AI-powered apps can automate repetitive tasks, freeing up users' time and improving efficiency. Examples include automated customer service chatbots and intelligent task management tools. 

Predictive Analytics: AI can analyze historical data to predict future trends and user behavior, enabling businesses to make data-driven decisions and proactively address customer needs. 

Enhanced Security: AI can detect and prevent fraudulent activities, protecting user data and ensuring a secure app environment. 

Natural Language Processing (NLP): Enables the app to understand and respond to user voice commands and text input. On iOS, this can be enhanced by leveraging Apple's Core ML framework. 

Machine Learning (ML): Allows the app to learn from data and improve its performance over time. iOS offers powerful ML capabilities through Core ML, allowing for on-device model training and inference. 

Computer Vision: Enables the app to "see" and interpret images and videos. iOS provides APIs for object detection, image recognition, and other computer vision tasks. 

Predictive Analytics: Provides insights into user behavior and future trends. This can be integrated with cloud-based AI services for more advanced analytics. 

Experience and Expertise: Look for a company with a proven track record of developing AI-powered mobile apps, with specific examples of successful iOS projects if that's your focus. 

Technical Capabilities: Ensure the agency has the necessary skills and resources to implement the AI features you need, including expertise in Swift, Objective-C, Core ML, and other iOS-specific technologies. 

Industry Knowledge: Choose a partner with a deep understanding of your industry and target audience, and how AI can be applied to solve specific challenges within the iOS ecosystem. 

Communication and Collaboration: Opt for an agency that values open communication and collaboration throughout the development process, ensuring your vision is realized and that AI is implemented responsibly. 

Portfolio and Testimonials: Review the agency's portfolio and read testimonials from previous clients to assess their quality of work, paying close attention to their AI capabilities and iOS expertise. 

iOS-Specific Knowledge: Does the agency understand Apple's design guidelines, security protocols, and App Store submission process? This is crucial for a successful iOS app launch.