Demand for window films has grown far beyond police-station mirrors. Homeowners and business managers now see reflective and tinted films as quick, budget-friendly ways to control views, heat, and glare. In the Philadelphia window film market, the choices can feel endless, yet the real decision usually comes down to two categories: one-way mirror film and privacy tint. The differences between them affect comfort, security, and even nighttime routines. Below is a clear-cut guide that keeps sales jargon to a minimum.