Following the release of Apple's first foldable phone, the iPhone Duo, some commonly used apps were not well optimized for the inner screen, but the situation is now improving. The App Store already has more than 100,000 apps adapted to this model, and the pace of app updates is expected to accelerate further, with many apps having already completed adaptation and optimization. The iPhone Duo was unveiled at the 2026 fall launch event, with a starting price of 15,999 yuan. It features the largest iPhone display to date, is the thinnest iPhone in its unfolded state to date, is powered by the A20 Pro processor, and includes a large VC vapor chamber, delivering a 35% improvement in sustained performance compared with the iPhone 17 Pro.