iOS App Launch and Startup Times Launch Time Apple Docs: Reducing Your App's Launch Time WWDC 2019: Optimizing App Launch Testing App Launch Time iOS App Launch time analysis and optimizations Improving Your iOS App’s Launch Time Startup Time WWDC 2016: Optimizing App Startup Time WWDC 2017: App Startup Time: Past, Present, and Future Slow App Startup Times How to accurately measure iOS App startup time