This utility calculates lock cylinder pinning for various key and pin configurations. It features an intuitive interface with auto-tabbing fields, displays master pins, and rates picking difficulty. The app also checks for pin violations and converts bittings to pin sizes.
1.6.2
March 12, 2026
-Under the hood repairs
Hello! Thank you for the input and feedback. In regards to spool and serrated pins are you asking to implement them into the picking calculator? Shoot me an email at phil@locksmithapps.com to further discuss.
Pin Head is a utility app designed to calculate the pinning of lock cylinders. It helps users determine the correct pin lengths and configurations for various keys and cylinder types.
Pin Head supports calculating pinning for 2, 3, or 4 keys at a time, with pin lengths of 4, 5, 6, or 7. It also displays master pins as they would be in a cylinder.
The picking calculator within Pin Head measures the difficulty of picking a cylinder on a scale from zero (easiest) to ten (hardest) for every chart it creates.
Yes, the system selector in Pin Head checks for any MACS and pin violations by highlighting the offending cuts. This ensures accurate and safe cylinder configurations.
Pin Head is compatible with iPhone and iPod touch devices running iOS 8.0 or later, and iPads running iOS 12.0 or later.
The latest version of Pin Head is 1.6.2, which was last updated on March 12, 2026. This indicates a history of updates, though the exact frequency is not specified.
Pin Head is a paid application, available for purchase at $3.99. There are no in-app purchases or advertisements associated with this app.
Pin Head allows you to change the value of zero to equal 10 when not utilizing a specific system, automatically selecting the appropriate value for each system. It also provides the appropriate driver/top pins.
