Downloading .ipa files from "hidden" or third-party sources (like those indicated by "bfi2" or "user-hidden" in the name) carries significant risks: AutoSleep: Watch Sleep Tracker - App Store - Apple
: Uses heuristics to determine when you fall asleep based on Watch movement and heart rate data. Downloading
: Requires iOS 11.0 or later and watchOS 4.0 or later . This particular version format— v6
The string you provided appears to be a specific filename or search term for an .ipa file (an iOS application archive). This particular version format— v6.64 —is typically associated with "cracked" or third-party distribution sites rather than the official App Store. The App: AutoSleep Watch Sleep Tracker ipa : The file format for iOS applications
: Tracks time asleep, sleep rating, heart rate, deep sleep, REM stages, and "readiness" scores.
: Often refers to compatibility with iOS 14 or a specific fix for health data syncing issues reported in that OS version. ipa : The file format for iOS applications. Important Security Considerations