iPhone Duo's Cover Screen Is Too Small, Comparison Finds
The Verge's comparison of Apple's iPhone Duo with rival foldables, published on 6 November 2026, says the phone's cover display is too small. The author used the Duo for a week and a half and measured it against foldables from Samsung, Google, Xiaomi, Oppo and Honor, including the Galaxy Z Fold 8 and the Xiaomi 18 Fold. The Verge reports that apps which feel comfortable on those two devices feel cramped on the Duo's outer screen. Part of the cover display goes to a right-hand rail that most apps do not use.
Physically, the Duo is shorter and wider than the Fold 8 and almost identical in dimensions to the Xiaomi 18 Fold. It is also heavier than every rival in the comparison, including models with larger screens. The Verge gives the Duo an IP68 rating, an industry standard for dust resistance and protection against water immersion. Only Google and Honor match it among the foldables the piece considered.
The inner display is the feature the piece points to as unmatched. The Duo's inner screen carries a nano-texture matte finish, a surface etched at a microscopic scale to scatter reflected light and reduce glare. According to the comparison, no rival foldable offers it. Apple's own announcement describes the open device as the thinnest iPhone it has made and says the Duo delivers the largest iPhone display it has offered in a foldable design. Those are Apple's claims.
The fold relies on a 100-component hinge. Per The Verge's earlier hardware coverage, custom adhesives allow the display layers to glide over one another. That engineering matters for the cover-screen complaint: the thickness and layer stack that let the inner panel sit flat also constrain the outer panel's footprint and mass.
The Verge's full review, headlined "The iPhone Duo is a messy, expensive good time," was written by Nilay Patel and Allison Johnson and dated 21 October 2026. The comparison puts the Duo's price at $2,000.
Apple's first folding phone reached stores worldwide in October 2026. Reuters and Bloomberg both reported that the launch came with scarce supply and high demand. Apple had introduced the device earlier in the year. It is the company's entry into a category in which Samsung, Google, Xiaomi, Oppo and Honor have already shipped multiple generations.
In my view, the cover screen is the trade-off that will decide most buyers' experience. A foldable spends far more time with the cover display in use than with the inner panel open, so a rail that consumes width on every app is a daily cost, not a corner case. The weight question is less visible but just as practical for anyone carrying the device all day.
The broader context here is that the Duo's strengths sit in areas buyers notice after the first week: the matte inner panel, the water resistance rating, and the open-device footprint. Its weaknesses sit where they notice immediately. Whether Apple's software and developer ecosystem close the gap on the outer screen will become clearer as more apps adopt the wider aspect ratio. That is a question for the next software cycle rather than for this review.
