Apple Enters the Foldable Market with the iPhone Duo

Apple has introduced its first foldable smartphone, the iPhone Duo, marking a major design shift for the product line. According to industry estimates from IDC, global foldable shipments could see a 12.6 percent year-over-year increase driven largely by Apple's entry into the market.

Crafted from Grade 5 titanium, the device weighs 254 grams and features an IP68 water, dust, and splash-resistant rating. The hinge mechanism utilizes more than 100 components to manage opening and closing. Navigation changes include the removal of Face ID in favor of Touch ID embedded in the side power button, alongside a relocated volume rocker.

The iPhone Duo adopts a passport-type foldable form factor, featuring two Super Retina XDR OLED displays that peak at 5,000 nits. The outer display measures 5.4 inches with a glossy finish, while the inner 7.6-inch display uses a matte coating designed to minimize glare and reduce the central screen crease. Both displays offer high colour reproduction.

Performance-wise, the Duo is powered by the A20 Pro chip, matching the benchmark scores of the iPhone 18 Pro twins in Geekbench 7 testing. The rear camera system features a 48MP primary lens and a 48MP ultra-wide lens, mirroring the camera capabilities of the iPhone 17, but omits the telephoto lens found on Pro variants. It also includes a 12MP cover camera and a 48MP primary setup alongside a 4-inch inner screen under-display camera.

Running on iOS 27, the device supports productivity tools like Split View and compatibility with the USB-C version of the Apple Pencil. Battery performance is rated for up to 24 hours of mixed usage, with support for up to 60W wired charging and 25W wireless charging.

Despite the high-end hardware integration, early adopters face first-generation challenges. Certain third-party applications, such as Google Docs, remain unoptimized for the device's unique 1.41:1 aspect ratio, resulting in layout adjustments. These teething issues highlight the transition phase for new product categories entering the mainstream market.

"Apple's entry into the foldable smartphone market marks a defining validation point for this form factor. When a dominant market player adopts a new design category, it typically accelerates consumer awareness and pushes supply chains to mature faster. However, early-generation products always encounter friction, particularly regarding app optimization and hardware ergonomics. Businesses and tech entrepreneurs observing this launch should note how hardware-software integration remains critical when introducing high-priced, category-shifting devices to early adopters." — Dr. Shishir Gupta, Founder & CEO, StartupLanes