Way back in January, there were reports that Apple will bring its newest innovation, Force Touch technology, to the upcoming iPhone 6S and 6S Plus. The Cupertino-based tech giant introduced Force Touch with Apple Watch. Now a new report coming out of Taiwan claims that the Force Touch won’t be integrated into the iPhone 6S.

Force Touch To Be Reserved For The iPhone 6S Plus [Report]

TPK to be the sole supplier of Force Touch for the iPhone 6S Plus

Instead, it will be exclusive to the bigger iPhone 6S Plus. Sources familiar with the matter told the Economic Daily News that Apple’s longtime partner TPK will be the sole supplier of Force Touch sensor for the iPhone 6S Plus. Notably, the report doesn’t mention the iPhone 6S, suggesting that the new technology might be exclusive to the larger 6S Plus.

The Taiwanese website adds that the force sensing component for the iPhone 6S Plus would cost $13-$14, compared to just $4-$5 for the Apple Watch. That’s because the Watch comes with only 1.5/1.65-inch screens while the 6S Plus will have a much bigger 5.5-inch display. Force Touch can differentiate between a gentle touch and a hard press, expanding the touch panel’s functionality. It allows users to interact with the device in a variety of new ways.

Force Touch to set the iPhone 6S Plus further apart from iPhone 6S

Force Touch being exclusive to the iPhone 6S Plus wouldn’t be a big surprise. It would simply follow the company’s practice of integrating more advanced features in the larger iPhone. Last year, Apple added Optical Image Stabilization (OIS) only to the iPhone 6 Plus. But Force Touch may have a bigger impact on how people use their iPhones. So, it would set the iPhone 6S and 6S Plus further apart.

The iPhone 6S and 6S Plus are expected to come with 2GB RAM, iOS 9 software and Samsung-made A9 processor. A report from Apple Insider claimed in February that the new phones may ship with pre-installed Apple SIM. However, both the phones are expected to retain the same 8-megapixel main camera from their predecessor.