The iPhone 6s keeps the same design as the iPhone 6, but packs better cameras, a snappier processor and 3D Touch, a smart new way to get things done in fewer steps. Beyond that, the combination of iOS 9 and some well-built hardware help makes the 6s one of the best iPhones ever made. even if we wish it had some of the 6s Plus’ niceties.
Pros
3D Touch is a smart, helpful addition
First-rate performance
Improved cameras
Touch ID is faster and more accurate
Cons
Lacks optical image stabilization
Live Photos are hit-or-miss
Base model still only has 16GB of storage
Touch ID can be overly sensitive