What is the best screen protector to buy in the UK?

There's no single best screen protector, and any page that gives you one answer without asking what you own is guessing. The requirements genuinely diverge — but that doesn't mean the question is unanswerable, and for the most common case there's a clear formula.

Start with the shape of your screen

This decides more than brand does. A flat screen takes tempered glass and you've the full market to choose from. A curved-edge screen rules out flat glass entirely and leaves you choosing between a case-friendly design, hydrogel film, or a UV liquid-adhesive kit. A folding inner panel rules out glass altogether.

Get this wrong and no amount of spending will help: flat glass on a curved screen will lift at a corner regardless of what it cost.

Then decide what you're protecting against

For most people the answer is drops, and that means tempered glass. But a meaningful minority want something else, and for them glass is the wrong default.

If you read work email on a train, you want privacy. If you work outdoors or in a car, or you game for hours, you want matte anti-glare. If you draw or take handwritten notes on a tablet, you want paper-feel, and the difference isn't subtle. If your screen curves, you want film or UV.

The formula for the common case

Flat-screen phone, general use, want it to survive being dropped: tempered glass, £10 to £20, from a brand that puts an alignment tray in the box. That describes Spigen, ESR, Belkin, PanzerGlass and several budget brands that have raised their game, and at that point brand matters less than the four checks below.

Four things worth checking in a listing

Whether an alignment tray or frame is included. This is the biggest single predictor of whether you'll be happy with the result, because most dissatisfaction traces back to a crooked or dusty fitting not the product.

Whether it explicitly states in-display fingerprint compatibility, if your phone has one. Brands that have tested it say so; brands that haven't, don't.

Whether it's described as case-friendly, if you use a case with a raised lip. Full-coverage protectors look better and foul some cases.

How many are in the pack. Two is meaningfully better than one for the reason given above. The spare gets used.

Four things not worth checking

The 9H hardness rating, which every tempered glass protector claims and which therefore distinguishes nothing.

Phrases like military grade, which correspond to no consumer standard and are unregulated in this category.

Drop-test videos, which follow no protocol. A protector dropped onto plywood tells you nothing about a paving slab, and the ball-bearing tests popular in listings aren't comparable between brands.

Thickness beyond a point. Anything between roughly 0.25mm and 0.4mm is normal; substantially thicker protectors trade touch sensitivity for protection you probably don't need.

If you want one sentence

Buy model-specific tempered glass with an alignment tray, from a brand that mentions the oleophobic coating, in a two-pack, for somewhere between £10 and £20 — unless your screen is curved or folding, or you specifically want privacy, matte or paper-feel, in which case start from that requirement instead.