There are times when you have to cover your phone screen from the eyes of others when texting or logging into your account, you must have encountered it at least once. And how to counter that action in the best and most polite way?
Here are some methods that will help you avoid prying eyes from peeking at your phone screen. These are ways to darken your phone screen when viewed from the angle of the "peeking" person.
Ways to help prevent phone peeping
Privacy Screen Filter
Don't worry about people standing behind you or your boss seeing what you're doing! You can protect your personal information or privacy with the Privacy Screen Filter app, which works like a window shade.
Privacy Screen Filter is useful at work or in public places like buses, trains, squares where your privacy is more important than anything else.
This app can protect your information in a very simple way, helping you protect your phone privacy in public places.
Key features of Privacy Screen Filter include:
- Creating filters on other applications does not interfere with their operation.
- Move filter and resize
- Change the transparency of the filter.
- Click on the links or icons behind the filters.
- Set different filter color or filter pattern or filter image
- Launch from status bar
With Privacy Screen Filter, you don't need to spend money on a physical protector that you need to stick on your screen. It's a free screen filter app that can be used in conjunction with a blue light filter.
Privacy Screen Filter is not difficult to set up, just launch the app and set the filter strength. The filter settings can be changed quickly from the notification area. Privacy View Protection can be used by simply installing the app. This screen filter app provides longer battery life than other apps by keeping the processor usage to a minimum.
Privacy Screen Filter has a color filter import feature that helps your phone avoid being peeked at from diagonal angles, you can change the transparency of the color filter, how to use Privacy Screen Filter you can see below.
Download Privacy Screen Filter for Android
Step 1: Launch the Privacy Screen Filter app, then click on the pink Power icon to use the app. If there is a request to allow Privacy Screen Filter to overlay other apps in Settings, turn on the allow button.
Then there will be a faint white layer displayed on your screen, you can allow the level of this white layer to be displayed in each area on the screen by dragging the display bar to the area you want to display. Then click the star in the upper right corner to edit.

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Next, the screen will be moved to the opacity adjustment section of the color layer. Drag to the sides in the middle of the screen to adjust the opacity percentage of the white layer. The lower the percentage, the more transparent and vice versa.
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Screen Protector 9000
This application also provides users with a privacy screen filter and protects your phone screen from prying eyes. The color filter of Screen Protector 9000 will give users the most comfortable options possible, in addition to using Screen Protector 9000 to prevent peeping, you can also apply a blue light filter by applying only the color and transparency functions. Select and turn ON to apply the color filter.
Download Screen Protector 9000 for Android
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Start the application and you will have the main options such as:
- Remove Ads: Completely remove ads on this app, you will have to pay a fee to remove ads on this app.
- Color: Choose a color for the filter, you will be able to choose the color in the most complete way with a full color circle, drag the bar below to choose a light or dark color for your filter.
- Filter Pattern: Choose the filter type, the filter type here is photos like sky, leopard, colorful... if you want to leave only the color of the filter you can choose No Pattent.
- Transparency: The opacity of the filter, the higher the percentage, the darker the filter color will be displayed. If you choose a high percentage combined with the filter type, even you will have difficulty seeing your screen.
NO LUK
Just like Screen Protector 9000, NO LUk applies many different color filters to users. The only difference is that NO LUK has already displayed all the color filters on the main screen. And this application also provides users with several different types of filters. Just select the color filter, allow NO LUK to display on other applications and choose the filter you like.
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![How to prevent phone peeping How to prevent phone peeping]()
The color filter will be applied immediately, you can choose the transparency of the filter by dragging the opacity button on the toolbar, press X to exit the application.
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Hide Screen
A simple anti-screen peeping application, you just need to download and launch it, click Start to cover your screen from curious eyes around. Then double-click the eye icon on the screen, and now your screen will be black, you can't see anything, if you want to return to the beginning, double-click the screen again.
This method is only used when you want to completely cover the content on your phone. If you don't want to do that, you can refer to the above applications to add color filters to your device.
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![How to prevent phone peeping How to prevent phone peeping]()
Anti-peeping tempered glass
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Compared to the price of normal tempered glass, anti-theft tempered glass, although more expensive, is specially designed to enhance privacy, making it impossible for others to peek at your phone screen while sitting next to you.
This special glass is designed based on a specialized optical application, giving the glass a structure with anti-peeping ability. When this glass is applied, you can only see the phone screen clearly when looking directly, but if you just tilt the viewing angle a little, you will only see a black screen.
This method is popular with many people, especially those who care about information security on their phones. In addition, this type of glass is also applied to some devices with large screens such as tablets, laptop screens, PCs...
Some anti-peeping tempered glass that you can refer to are from reputable brands such as KingKong, JCPal, Baseus, BlueO, Nillkin... with reasonable prices. You can order anti-peeping tempered glass through online shopping applications or reputable distributors.
With the above ways to prevent screen peeping, you will know how to protect your personal information from prying eyes and feel secure when using your smartphone in crowds.