If you’re specifically looking to verify whether a certain cracked version is “safe” or “working,” I strongly advise against downloading it. No jailbreak or sideloaded IPA from unofficial sources can be truly verified, and many contain trackers or remote control backdoors.

: Logging into personal cloud accounts (like Google Drive or Dropbox) through a modified app exposes those accounts to the party that "cracked" the software. Device Instability