There are several ways to test the performance of an iOS app:
1. Benchmarking: Benchmarking involves measuring the performance of the app against a set of predetermined criteria. This can be done using tools such as Xcode Instruments and Android Studio Profiler.
2. Load Testing: Load testing involves running the app under heavy load and measuring its performance. This can be done using tools such as Xcode Instruments and Android Studio Profiler.
3. Stress Testing: Stress testing involves running the app under extreme conditions and measuring its performance. This can be done using tools such as Xcode Instruments and Android Studio Profiler.
4. Performance Monitoring: Performance monitoring involves monitoring the app’s performance over time and making sure it is meeting the desired performance criteria. This can be done using tools such as Xcode Instruments and Android Studio Profiler.