Based on the technical markers in the name, here is the "story" of this specific file: The Application: Things 3

: This confirms the app is compiled for modern 64-bit architecture (ARM64), required for all iOS versions since iOS 11.

The string you provided— download-things-v3-v31603010-64bit-os121-ok14-user-hidden-bfi2-ipa —appears to be a highly specific file name or a version-controlled application package, likely a modified or cracked file (iOS App Store Package) for an app called "Things 3."

: Cracked versions of "Things" often lose "Things Cloud" synchronization features, as those require a valid connection to the developer’s official servers. The Big Five Inventory–2 (BFI-2) - Colby College

: Downloading .ipa files from unofficial sources carries significant risk. These files can be injected with malware or trackers that remain "hidden" (as the name might imply) to monitor user activity.

: This is a common tag in the "jailbreak" or sideloading community. It often refers to the Big Five Inventory 2 (BFI-2) personality assessment research or, more likely in this context, a specific cracking tool or patcher script used to bypass Apple's FairPlay DRM. ipa : The standard file extension for iOS applications. The Origin and Risks

: Often used in file-sharing communities to signify a "verified" or "working" status by a specific uploader or group.

: This likely indicates the minimum operating system requirement— iOS 12.1 —or that the file was tested and verified on that specific firmware version.