I think App testing is crucial. It ensures that the app functions as intended and meets quality standards. It helps identify and fix bugs, errors, and defects that could affect the user experience or cause the app to malfunction. Plus testing helps verify the reliability and stability of the app under different conditions, such as varying network environments, device configurations, and user interactions. For my App I hired experts from iOS App Testing here
https://www.sam-solutions.com/servic...ting-services/. They provide all testing services at the highest level. I'm sure identifying and fixing issues early in the development process through testing can save time and resources in the long run.