Pin Lock is an application that allows users to enhance their online privacy and security by allowing them to browse the Internet more securely and privately. It offers an antivirus that scans for virus threats, keeping devices safe and protected from hackers. Pin Lock also has a feature that allows users to restrict access to specific apps they want to protect and set a PIN, pattern, or fingerprint as the access method.

The logo has many creative elements in its design. For example, the letter "P" is aligned with the letter "L" to form a key shape, but the letter "P" is also cut in half. The complete image can be a keyhole or a pin.