I might be a bit slow, but I've noticed a huge trend across Apple product lines:
Macs
Everyday: iMac
Power: Mac Pro
Compact & utility: Mac mini
Macbooks
Everyday: Macbook
Power: Mac Pro
Compact & utility: Macbook Air
iPads
Everyday: iPad
Power: iPad Pro
Compact & utility: iPad Mini
Now, for iPhones:
Everyday: iPhone
Power: iPhone Plus
Compact & utility: ???
Apple clearly will be introducing a smaller iPhone. Before you ask, the iPod touch doesn't count as it's not a phone. Does thie theory make sense?
Macs
Everyday: iMac
Power: Mac Pro
Compact & utility: Mac mini
Macbooks
Everyday: Macbook
Power: Mac Pro
Compact & utility: Macbook Air
iPads
Everyday: iPad
Power: iPad Pro
Compact & utility: iPad Mini
Now, for iPhones:
Everyday: iPhone
Power: iPhone Plus
Compact & utility: ???
Apple clearly will be introducing a smaller iPhone. Before you ask, the iPod touch doesn't count as it's not a phone. Does thie theory make sense?