Answer by crifan for Where does iOS keep its data folder

Is this folder available on iOS if you have Jailbreak?

yes. Actually:

• if no jailbreak: you could still check it using some file browser tool, like iBrowse
• if jailbreak: you can find the app folder more easily
  • using many tools
    • eg
      • ls after ssh
      • GUI file manage tool
        • Chinese 爱思助手
        • Filza
        • iFile

eg:

• Chinese app 抖音 (package id: com.ss.iphone.ugc.Aweme)'s data folder
  • /private/var/mobile/Containers/Data/Application
    • 6A9AE298-87E8-4C94-8F85-863CA0904022
      • screenshot
      • folder structure
        • Documents/
          • screenshot
            • folder structure
              • Aweme.db
              • AwemeIM.db
        • Library/
        • StoreKit/
        • SystemData/
        • tmp/
  • /private/var/containers/Bundle/Application/F4E9C01C-9B7F-492F-A024-5045F5C26D4C
    • screenshot
    • folder structure
      • Aweme.app
        • Aweme
      • BundleMetadata.plist