Precompiled admob godot export templates for version 3.1.1 stable. This fixes the crassh for iOS 13 when the app starts for these.
Architectures: armv7, arm64 Build types: release
How to use
Follow the instructions here (but download the .a file from the Releases tab on my repo).
In this video I show how to build the game on XCode after exporting the project.
If you have questions or issues, let me know.