The thin clear plastic screen protector for your phone is cheaper to buy but they do not last long and they do not protect your mobile phone screen when it falls onto the ground or any hard surfaces. These plastic screen protector is actually harder to install onto the mobile phone screen and sometimes, you will have to attempt several times before you would succeed in applying those screen protector.
Whereas the tempered glass screen protector for your phone is more expensive to buy initially but they last longer than the plastic screen protector. They are easier to install onto the surface of your mobile phone screen and in case if your mobile phone falls down onto the hard surface ground, this tempered glass screen will protect your phone screen from breaking. The tempered glass protector will be the one to break which can be easily replaced by removing it and applying a new one on top of your mobile phone. So out of the two options available, buying the tempered glass screen protector would be a wiser choice in the long run.