I'm out of my depth here, but open the app and look at the first thing you see...
I Googled what is listed as "
Model" and came up with these two links:
The
iPhone 6s makes use of Apple's A9 SoC. The A9 is manufactured by both Samsung and TSMC, and is assigned different chip IDs based on this.
Samsung manufactures the S8000 found in the
n71ap model, and
TSMC manufactures the S8003 in the
n71map model.
If you click through you'll see one is iP6S Samsung and the other iP6S TSMC.
For the Iphone 6S plus, its...
Perhaps I'm wrong on this...?
Eventually, soon if not with this app, you won't have to pay or download outside of App Store to get this info.