At the same price, glass will resist scratches better than plastic, and feel more like the device's screen, though higher priced plastic protectors may be better than the cheapest tempered glass models, since glass will shatter or crack with sufficient impact force.
Glass resists scratches better at the same price compared to plastic, offering a closer feel to the device’s screen. However, high-quality plastic protectors may be superior to cheaper tempered glass options because glass is more likely to break or crack with sufficient impact.