If you just bought a brand-new iPhone, your immediate instinct was likely to slap a tempered glass screen protector on it before even turning it on. Most of us view screen protectors as cheap insurance for an expensive device.
However, a top Apple executive feels entirely differently. In fact, seeing a screen protector on an iPhone physically bothers him.
Tom Marieb, Apple’s Vice President of Hardware Engineering, recently admitted that seeing users put third-party glass covers over their iPhone screens makes his "skin crawl."
Here is why Apple’s hardware team believes your screen protector might be doing more harm than good to your user experience.
The Engineering Behind the Naked Screen
In a recent interview with TechRadar, Marieb explained that Apple’s engineering team pours thousands of hours into perfecting the display tech on every generation of iPhones.
With the introduction of advanced glass-ceramic technologies like Ceramic Shield 2, Apple designed the glass not just to withstand severe drops, but to balance both scratch resistance and long-term wear resistance.
"Personally, when I see someone put a screen protector on their iPhone, it makes my skin crawl, because we work so hard to make beautiful front screens," Marieb shared.
According to Marieb, creating display glass is a delicate balancing act:
- Higher Scratch Resistance often makes glass more brittle or prone to surface wear over time.
- Higher Wear Resistance keeps the display feeling smooth and looking clean after years of daily touch input.
Apple engineered its latest screen material to handle up to half a decade’s worth of daily abuse without needing a secondary piece of cheap glass or plastic placed over it.
Why Apple Engineers Hate Screen Protectors
When you apply an aftermarket screen protector, you are placing an uncalibrated layer of glass or plastic over a display that was engineered down to the microscopic level.
1. It Ruins the Optical Clarity & Anti-Reflective Coatings
Apple spends millions developing specialized antireflective and oleophobic (fingerprint-resistant) coatings. A cheap screen protector degrades display brightness, alters color accuracy, and increases screen glare under direct sunlight.
2. Touch Sensitivity & Tactile Feel
Ceramic Shield displays are tuned for precise touch response and haptics. Adding a cheap buffer layer can subtly reduce touch sensitivity, alter swipe gestures along the display edges, and ruin the natural glass texture.
3. Face ID & Sensor Interference
On newer iPhone models, tightly fitted full-cover screen protectors have occasionally caused issues with proximity or infrared sensors, impacting seamless biometric recognition.
4. False Sense of Security
Many budget screen protectors shatter easily, leading users to believe the protector "saved" their screen. In reality, the underlying Ceramic Shield glass is significantly tougher than the thin tempered glass sheet placed on top of it.
Should You Actually Ditch Your Screen Protector?
While Apple’s hardware team designs the iPhone to be used bare-faced, the decision ultimately comes down to your personal environment and habits:
- Go Barefoot If: You care about maximum display quality, optimal touch responsiveness, and true color accuracy. Modern Ceramic Shield glass holds up remarkably well against daily keys, coins, and drop impacts.
- Keep the Protector If: You frequently work in sand, dirt, or construction environments (micro-abrasives like sand can still scratch glass), or if you intend to resell your device in absolute mint condition years down the line.
Key Takeaway
Apple wants you to enjoy the raw engineering and premium feel of the iPhone display as it was built to be experienced. While the psychological safety of a screen protector is hard to break for many users, Apple’s top hardware engineers maintain that modern iPhone screens are built tough enough to handle life completely unprotected.

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