Do Privacy Screen Protectors Work?

How can you keep prying eyes away from the sensitive information on your phone? It’s a challenge many smartphone users face. Shielding your display with your hand is one method to increase privacy, but this isn’t a long-term and effective solution. 


Privacy screen protectors may help, but you may ask, “Are they worth it?” Do they affect screen quality? What are the pros and cons of using them? Let’s answer these questions and point you to the best products for the best solutions.

Do Privacy Phone Screen Protectors Make the Display Darker?

Because of how these protectors work, they may reduce screen brightness. These devices use micro louver technology, which limits the viewing angle of the display to the person who is using the device.

How Does Micro Louver Technology Work?

Think of a showroom behind a window protected by vertical Venetian blinds. When they are open and you are to the left or right of the window, the blinds block your gaze. But, when you are in front of the window, you look between the blinds, so you can see inside the room. 


Micro louver technology works like this on a microscopic scale to enhance privacy. However, there are pros and cons of these screen protectors that you should understand.

Benefits And Drawbacks

While privacy screen protectors do not work perfectly, many users find the benefits–like increased privacy and reinforced screen strength–more than make up for the drawbacks. Some do not. 


The reduced viewing angle required for protecting privacy may be a drawback if you like to share your device frequently to show content or video chat. There may be a darkening effect that may make them unsuitable for some specific kinds of work. 

What To Do to Minimize the Drawbacks

There are differences in the quality of privacy screen protection. Premium manufacturers use the clearest and strongest materials and costlier manufacturing techniques that translate to improved products for the consumer. 

Your Device Deserves ZAGG

Smartphones store a lot of sensitive data, and you consistently use them in public which is why you should consider how privacy phone screen protectors can work for you. No one can completely avoid unfortunate outcomes that come from the result of prying eyes. When it comes to weighing the pros and cons, Privacy screen protectors are worth it.


For top-of-the-line protection, check out ZAGG privacy screen protectors. They are engineered to maintain the quality of the display, they do not make the screen too dark, and they block spying eyes. Find one for your smartphone now!