: This likely denotes the minimum iOS version requirement (iOS 12.1). Applications often require a baseline OS version due to the APIs they utilize.
: Identifies the application as Things 3 , a popular task manager developed by Cultured Code. : This likely denotes the minimum iOS version
: Indicates the application is compiled for 64-bit ARM architecture (ARM64), which is the standard for modern iPhones and iPads. : This likely denotes the minimum iOS version
: These files are often "cracked" versions of paid software, which bypasses developer compensation and official update channels. : This likely denotes the minimum iOS version