Apple Screen Test Online
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Tap a test to select it, or the info icon to see what it checks.
Your results
Here's how your display performed across the tests you ran.
Apple Screen Test: Check Display, Touch and Dead Pixels Online
Is your iPhone, iPad, or MacBook screen acting strange? Maybe there is a tiny dot that never changes color, a part of the screen that does not respond to touch, or a yellow tint that was not there before. Our free Apple Screen Test helps you find these problems in a few minutes. You do not need to install any app. Just open the page in your browser and start testing.
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What Is an Apple Screen Test?
An Apple screen test is a set of simple checks that show you how well your device display is working. The tool fills your screen with solid colors, gradients, and patterns. It also tracks your finger or cursor. This makes small problems easy to see, such as dead pixels, color shifts, uneven brightness, and dead touch zones.
It works on iPhone, iPad, iPod touch, MacBook, iMac, and Apple Studio Display, in Safari, Chrome, or any modern browser.
Why You Should Test Your Apple Screen
Apple screens are very good, but they are not perfect forever. A screen test is useful in these cases:
- After buying a new device: Check for factory defects while you can still return or exchange it.
- Before buying a used device: Check the seller’s phone or Mac in person before you pay.
- After a screen repair: Make sure the new display works properly and the touch is smooth.
- After a drop or water exposure: Hidden damage often shows up as lines, spots, or dead zones.
- When something looks wrong: Flicker, ghost images, or yellow edges are all signs to test.
Tests Included in Apple Screen Test
Dead Pixel Test
The screen turns solid red, green, blue, white, and black one by one. On a solid color, a broken pixel is easy to spot. A dead pixel stays black. A stuck pixel stays one bright color. A hot pixel stays white.
Touch Test
Move your finger across the screen. The tool draws a line where it detects touch. If any part of the line breaks or does not appear, that area of the touchscreen may be faulty. This test is for iPhone and iPad.
Multi-Touch Test
Place two, three, four, or five fingers on the screen together. Every finger should show its own mark. This helps you check that pinch, zoom, and gesture controls will work.
Color and Gradient Test
A smooth gradient should look even from start to end. If you see sharp bands, strange colors, or patches, the display may have a color problem.
Brightness and Uniformity Test
White and grey screens show uneven backlight, dark corners, and light bleed. Look for patches that are brighter or dimmer than the rest.
Burn-In and Ghosting Test
OLED iPhones can sometimes keep a faint image of something that was on screen for a long time. A grey or colored background helps you see these faint marks.
Screen Flicker Test
Some displays flicker at low brightness. A steady color screen helps you notice flickering or flashing lines.
How to Run the Apple Screen Test
- Open this page on the device you want to test.
- Turn the screen brightness to maximum.
- Clean the screen with a soft, dry cloth so dust is not mistaken for dead pixels.
- Tap the test you want to start.
- Turn on full screen mode for the best result.
- Go through each color slowly and look at every corner.
- Tap or press Esc (on Mac) to exit the test.
Tip: Do the test in a dim room. Dead pixels and uneven lighting are much easier to see in low light.
Common Apple Screen Problems and What They Mean
| Problem | What You See | Possible Cause |
|---|---|---|
| Dead pixel | Tiny black dot that never changes | Pixel stopped getting power |
| Stuck pixel | Tiny red, green, or blue dot | Pixel is locked on one color |
| Yellow or pink tint | Warm or cold color across the screen | Display wear, True Tone settings, or damage |
| Vertical or horizontal lines | Thin colored lines | Loose display cable or panel damage |
| Ghost touch | Screen taps by itself | Digitizer fault, bad screen protector, or water damage |
| Dead touch zone | Part of the screen ignores touch | Damaged touch layer |
| Flickering | Screen flashes or shakes | Software bug or display fault |
| Burn-in | Faint image stays on screen | OLED aging from a static image |
Dead Pixel vs Stuck Pixel
Dead pixel
A dead pixel is completely off and shows as a black dot. It usually cannot be fixed.
Stuck pixel
A stuck pixel is locked on one color, and sometimes it can be fixed.
Gently massaging the area with a soft cloth or running a pixel-refresh color cycle for a few minutes can bring a stuck pixel back. If the dot does not change after several tries, it is likely permanent.
Apple Screen Test for Different Devices
iPhone Screen Test
Most iPhones from iPhone X onward use OLED panels. Pay extra attention to burn-in, green or pink tints at low brightness, and touch response near the edges and the notch or Dynamic Island area.
iPad Screen Test
iPads have large touch surfaces, so dead touch zones are common after drops. Test the corners and edges well. If you use an Apple Pencil, draw across the full screen to check it too.
MacBook and iMac Screen Test
Mac screens do not use touch, so focus on dead pixels, backlight bleed, brightness uniformity, and color banding. On MacBooks, also check around the edges for pressure marks or stains that can appear when the laptop is closed on a keyboard cover or small object.
Buying a Used iPhone or iPad? Use This Checklist
- Run the dead pixel test on all five colors
- Check the touch test across the whole screen
- Test multi-touch with all fingers
- Look for yellow or uneven areas on a white screen
- Check for burn-in on a grey screen
- Turn brightness up and down and watch for flicker
- Check that True Tone and Auto-Brightness work normally
What to Do If Your Apple Screen Fails the Test
- Restart the device. Software glitches can look like display problems.
- Update iOS, iPadOS, or macOS. Apple fixes many display bugs in updates.
- Remove the screen protector or case. A bad protector can cause ghost touch.
- Check display settings. Turn off True Tone and Night Shift for a moment, then test again.
- Reset all settings. This does not delete your data.
- Contact Apple Support or an authorized service provider. If the problem is still there, it is a hardware fault. Check if your device is under warranty or AppleCare+ before paying for repair.
Tips to Keep Your Apple Screen Healthy
- Use a good tempered glass protector
- Do not leave a static image on screen for hours
- Keep brightness at a comfortable level
- Clean the screen with a soft microfiber cloth only
- Do not press hard on the screen or close a laptop with objects on the keyboard
- Keep your device away from water and extreme heat
Frequently Asked Questions
Is the Apple Screen Test free?
Yes. It is completely free, with no sign-up and no download.
Does it work on Safari?
Yes. It works in Safari, Chrome, Firefox, and Edge on iPhone, iPad, and Mac.
Can this test fix dead pixels?
It cannot repair a truly dead pixel. But the color cycling can sometimes free a stuck pixel.
How often should I test my screen?
Test when you buy a device, after any repair or drop, and any time the display looks different.
Will the test damage my screen?
No. It only shows colors and patterns that your screen already displays every day.
Does Apple replace a screen with one dead pixel?
It depends on the device, the warranty, and Apple’s current display policy. Contact Apple Support with your test results to find out.