Buying guide
Tempered glass vs. privacy screen protector: which should you get?
Quick answer
Clear 9H tempered glass is the best choice for most people: it is the clearest, protects against scratches and many drops, and works with Face ID and fingerprint sensors. Choose privacy glass if you often use your phone in public and want to hide your screen from side angles.
Key takeaways
- Tempered glass (9H) gives the best mix of clarity and protection.
- Privacy glass darkens the screen from the side but slightly dims it head-on.
- Film protectors are thin and flexible but offer less impact protection.
- Use an alignment frame for a bubble-free install.
What is the difference between screen protector types?
| Type | Clarity | Impact protection | Best for |
|---|---|---|---|
| Clear tempered glass | Excellent | Good | Everyday use |
| Privacy tempered glass | Good (dimmer) | Good | Commuters, office, travel |
| TPU / film | Good | Basic | Curved edges, budget |
Does a screen protector affect Face ID or the fingerprint sensor?
A protector cut for your exact model will not affect Face ID. For in-display fingerprint sensors (Galaxy and Pixel), use a protector labelled as compatible and re-register your fingerprint after installing it.
How do I install a screen protector without bubbles?
- Work in a steamy bathroom or low-dust room.
- Clean the screen with the wet wipe, then the dry cloth, then the dust sticker.
- Place the alignment frame over the phone.
- Drop the glass in and press from the center outward.
- Push small bubbles to the edge with the card; tiny ones disappear in 24–48 hours.
Frequently asked questions
What does 9H mean on a screen protector?
9H refers to the pencil hardness scale and means the glass resists scratches from everyday objects like keys and coins.
Do I need a screen protector if my phone has strong glass?
Modern phone glass is tough but still scratches and cracks. A protector is a low-cost, replaceable layer that is far cheaper than a screen repair.