I took two iPhones on vacation. The Duo won me over.

The iPhone Duo's novel durability and pocketability suggest a shift in smartphone design priorities beyond just screen size.

During a five-day vacation, a tech reporter field-tested Apple's new iPhone Duo alongside their usual iPhone 17 Pro Max, initially with skepticism due to its unfamiliar form factor and the need to carry two devices. The Duo's novel, squat design proved more pocketable and surprisingly durable, withstanding multiple drops and accidental sits without damage. While the small outer screen required more scrolling and some unoptimized apps displayed black bars, the core functionality remained intact. Frustrations arose with a freezing Google Search app, particularly its AI Mode, and the absence of Face ID, which made tasks like mobile payments cumbersome compared to the iPhone 17 Pro Max's seamless authentication. The Duo's camera, while adequate for casual users, lacks the advanced features and zoom capabilities of the Pro Max, making it unsuitable for professional photography or content creation. Despite these drawbacks, the reporter found themselves increasingly favoring the Duo by the trip's end.

The iPhone Duo's resilience to drops and comfortable pocketability, even when sat upon, challenges the conventional smartphone design that prioritizes thinness and fragility. This indicates a potential market interest in ruggedized, more adaptable form factors that can withstand everyday mishaps without requiring protective cases. The reporter's initial frustration with the compact screen and the eventual adaptation to its limitations suggest that users might be willing to trade some screen real estate for increased portability and durability.

While the Duo's camera and lack of Face ID present significant drawbacks for power users and early adopters accustomed to high-end iPhone features, its appeal to 'normal folks' hints at a bifurcated market. The report suggests that for casual users, the primary concerns are not advanced photography or biometric security but rather device resilience and ease of use. The performance issues with the Google Search app also highlight the ongoing challenges of app optimization for new hardware, especially with the increasing prevalence of AI features that can introduce unexpected instability.