Apple crash reports will measure this (if you compare old reports to new ones), but the data isn't public. I assume some third party SDKs will get updates to fi

Apple crash reports will measure this (if you compare old reports to new ones), but the data isn't public. I assume some third party SDKs will get updates to fix their bugs (and changelog might reveal it) but otherwise it is hard for normal user to see what issue caused an app to crash.