Apple's 18.8-inch foldable device, possibly a MacBook or iPad, is slated for a 2027 launch according to a prominent leaker.Amazon is also working on a similar large foldable product that may hit production before Apple's.Huawei recently revealed an 18-inch MateBook Fold, hinting at competition in the market.Apple is reportedly developing an 18.8 to 19-inch foldable device that may feature an all-screen display and no physical keyboard.Both Apple and Amazon's foldable devices are expected to enter production within the next few years.There is speculation that Apple might be lagging behind rivals like Amazon in the foldable device segment.It remains unclear whether Apple's device will be a foldable MacBook or a larger iPad.Rumors suggest Apple is considering both a tablet and a laptop format, with decisions pending on the operating system and usability.The possibility of a MacBook with a virtual keyboard poses challenges in terms of user acceptance.Despite uncertainties, Apple seems to be on track with the development schedule for its 18.8-inch foldable.