This tiny app can detect the CPU chipset of your iPhone. For iPhone 6s / 6s Plus, it can also detect the manufactory (TSMC or Samsung) of A9 chip.
The compiled (and signed) binary file that I distrubte would upload the chip model, device model and an unique id (not UDID, SN or IMEI) to my server, but it's for statistics only. Therefore, I can't identify you from these information. The statistic result is here.
How to Use
Open http://demo.hiraku.tw/CPUIdentifier on your iPhone, and follow the introduction to install.
MIT. Please kindly keep the credit of contributors.
I'm a iOS jailbreak tweaks developer. You can find me on my twitter @hirakujira.