Ios setup for ionic (existing project)

We created a mobile app with the IONIC framework and the dependencies listed below. The APK is fully functional for Android version. However, these versions and library dependencies do not function under IOS. So we need to build it up in IOS also.
1) node -v v14.20.1
2) ionic -v 6.20.4
3) npm -v 6.14.17
4) Angular CLI 12.2.18
5) Angular 12.2.17
6) cordova -v 11.0.0