Apple I phone 5S performance is extremely awesome as compare with other mobiles phone& It is reliable. I have not experienced any issue regarding Application performance& its speed.
This is phone is user friendly for the I phone lover actually& It have comfortable size and its shape that you can easily carry anywhere. Other benefit is that you can handle with a single hand. Touch is great& fast as everyone wants.
If talking about style it has a reach look.
I have not experienced slow down issue as that generally occur in android phones.
Camera& video quality is also clear.
Spec are
8MP camera
1GB RAM
Its value for money because Price is not high& you will get awesome I phone experience.
I just recommend this phone for I phone brand lover in cheap prices.