Sheriff is a utility tool for iPhone that empowers users to take control of their online privacy by blocking JavaScript and cookies on a per-domain basis. This free application emphasizes that privacy should be accessible to everyone, allowing users to customize their settings based on their preferences for each website. With Sheriff, users can effectively safeguard their personal information from data-hungry sites while enjoying enhanced browsing security.

The application offers several key features, including faster browsing by disabling JavaScript on resource-heavy sites, blocking intrusive pop-up ads, and preserving mobile data by controlling cookie storage. Sheriff integrates seamlessly with Safari and allows users to synchronize their privacy rules via iCloud, ensuring a consistent experience across all devices. Overall, Sheriff aims to create a cleaner, faster, and safer online environment.