There’s isn’t a lot to say concerning the iPhone 5s efficiency right here apart from that it’s blisteringly quick and really dependable. I’ve not skilled any points with apps misbehaving apart from the Google Maps hanging sometimes. It is annoying however could also be as a lot right down to the app as to the cellphone. Apple’s iOS has its limitations, you possibly can’t customise to wherever close to the degrees of an Android telephone, however the truth that it simply retains working effectively is a godsend to these too busy to study each little foible of their cellphone. I’ve not skilled the sluggish-down results that are inclined to happen on Androids after plenty of apps and updates have been put in - the iPhone 5S is rock stable.