Skip to navigationSkip to main contentSkip to right columnADVERTISEMENTMoz FarooqueSun, September 20, 2026 at 6:33 PM GMT+2 4 min readVeteran analyst Jim Cramer sees something in Apple's (AAPL) latest launch that is more than a reason for its customers to buy another replacement phone.After visiting Apple's Manhattan store, the CNBC host praised the iPhone 18 but reserved his strongest enthusiasm for the foldable Duo. He plans to buy it as a second phone, a distinction that gives his excitement an intriguing business angle.Apple shares have already gained around 23.6% this year through September 18, raising the stakes for turning product excitement into sales.For context, Apple unveiled its iPhone 18 Pro lineup and first foldable iPhone on September 9. The Pro models reached stores on September 18; Duo availability follows on October 23. For Cramer, the bigger opportunity goes beyond better cameras and battery life. His reaction suggests Apple could give loyal customers a fresh reason to spend, even when their existing phones still work perfectly well.Jim Cramer calls Apple's foldable iPhone Duo revolutionary and plans another purchaseKARL MONDON / Getty ImagesCramer's core Apple argument in the latest episode of MadMoney, is that the Duo can potentially generate sales beyond the usual replacement cycle. His own plan illustrates the opportunity: buy the new iPhone, then add the foldable.More Jim Cramer:Jim Cramer has terrifying one-word message for tech stock investors