iPhone Duo vs. Micro-Dramas: The Format Battle Between Foldables and Vertical Video

Apple's iPhone Duo and Samsung's Galaxy Z Fold series are pushing foldable phones toward a wider "passport-style" aspect ratio, and meanwhile, vertical micro-dramas in the US are growing at a staggering pace into a billion-dollar industry. Two seemingly parallel innovation curves are colliding at the intersection of video aspect ratios. During its iPhone Duo review period, The Verge visited the inaugural Alvin Micro-Drama Festival to answer one question: when hardware form factors embrace landscape again, will the growth of vertical content be interrupted?

The Video Dilemma of Foldables: Big Screen, Small Content

The video experience on foldable phones has never been great. The Verge editor Dominic Preston has used virtually every foldable on the market, and his verdict is blunt: for tall, narrow book-style foldables like the Pixel Fold or Z Fold 7, the large unfolded screen offers zero benefit for landscape video—add the top and bottom black bars and it looks almost identical to turning a regular phone sideways.

Vertical content is equally awkward. Scrolling TikTok on a nearly square inner screen, the video occupies only a narrow strip in the middle, leaving huge empty margins on both sides. You paid for a big screen, but the video gains nothing. This is precisely one reason the iPhone Duo and Z Fold 8 opted for a wider "passport-style" body: in the folded state, vertical video is shrunk, which actually pushes users to unfold the phone.

Unfolded, the Z Fold 8 is a large screen close to 4:3, while the iPhone Duo is roughly 1.4:1. That ratio happens to suit classic 4:3 series and is close to the native aspect ratio of most camera sensors. But the problem is that mainstream film and TV content remains 16:9 or wider, and switching to landscape on these devices requires extra gestures and posture adjustments—The Verge's experience is that this adds one more barrier compared to traditional phones.

The Billion-Dollar Bet on Micro-Dramas

The Verge reporter Charles Pulliam Moore has long tracked the micro-drama industry. This vertical cliffhanger short-drama format that originated in China has been rapidly absorbed by the US market. Industry forecasts put US micro-drama market revenue above $1 billion this year.

The business model is closer to mobile games than to streaming: users buy tokens, then unlock content episode by episode. Production costs are far lower than traditional TV series, which Bill Block, co-founder of Gamma Time and former CEO of Miramax, called "the most powerful low-cost customer acquisition tool." At the micro-drama festival he said outright that when shooting vertical, the camera stays close to the subject—"you're basically talking to the audience through their phone"—and this immersion makes up for the lack of production polish.

Micro-drama (vertical micro-drama) is a vertical series format typically 60 to 90 seconds per episode, driven by strong cliffhangers that push users to keep unlocking. It was first proven in the Chinese market through the mini-program short-drama model. Its typical structure places a "hook" (cliffhanger) at the end of each episode; users must top up tokens to watch the next one, and the first several episodes are often free to lower the entry barrier. Unlike subscription-based streaming, this model breaks content into extremely fine paid units, yielding higher revenue per user and shorter payback cycles, which is why it is seen as a high-turnover content business. In the US market, apps like ReelShort and DramaBox have emerged over the past two years, with production teams mostly shooting at low cost and fast pace in Los Angeles and elsewhere, focusing on high-emotion genres such as romance, revenge, and wealthy families.

Dual-Format Production: Creators Are Already a Step Ahead

Will foldables disrupt the vertical industry? At the micro-drama festival, virtually every interviewee answered: we're already shooting two versions at once.

"All our productions are dual-format—vertical and horizontal shot simultaneously," one producer said. Another director put it more directly: "Now it means we need to shoot it once in 16:9 and once in 9:16." The logic is clear—mobile handles convenience monetization, TV handles the family setting, and the entire monetization chain needs to be covered.

This means creators do not see foldables as a threat but as yet another screen to adapt to. As one industry insider put it: "Any aspect ratio works. Write in a week, shoot in six days—micro-dramas have made us afraid of nothing."

Dual-format production refers to a workflow that simultaneously produces both vertical (9:16) and horizontal (16:9) assets on the same shoot. Common approaches include using two camera positions framed for different aspect ratios, or shooting in a wider format first and cropping a vertical version in post; the former gives more control over composition but costs more, while the latter saves labor but tends to lose key information when cropping to vertical. For micro-drama teams, dual-format means the same script and the same actor schedule can cover two monetization paths—mobile paid unlocking and TV/long-video platform distribution—at a marginal cost far below reshooting. This is why industry insiders are calm about new foldable aspect ratios: their production pipelines already assume "multi-format output" by default.

Ecosystem Gaps: Apps Aren't Ready

The hardware form factor has changed, but the software ecosystem hasn't caught up. Android is slightly ahead in adapting foldable video apps—TikTok and YouTube use the extra space to display comments. But none of the micro-drama apps The Verge tested could present vertical video gracefully on an unfolded screen.

Apple, meanwhile, faces a cold start on developer adaptation. Dominic Preston's assessment is that the iPhone Duo will likely quickly become one of the world's best-selling foldables, because "when Apple launches a new form factor, developers jump in much faster—Samsung has never managed that." But as of the video's production, no app showed signs of embracing 4:3 mobile video.

The core technical challenge in foldable app adaptation is "continuity and dynamic window sizing." Traditional phone apps only need to handle a fixed portrait or landscape orientation, whereas foldables trigger continuous window size changes when unfolding, in half-open mode, or in split-screen. Apps must dynamically adjust their UI through responsive layouts or Android's window size classes, otherwise content gets stretched, margins become excessive, or controls misalign. Video apps also need to handle the mismatch between the video aspect ratio and the container: vertical video on a nearly square inner screen either sits centered with blank margins or gets cropped—the former wastes area, the latter loses image. On Apple's side, the split-screen and size-adaptation experience accumulated over years of iPadOS can partially migrate to the foldable form factor, but developers still need to redesign players and control layers for the new ratio, which is exactly the crux of the ecosystem cold start.

Can Foldables Change the Industry?

Scale needs to be viewed coolly. Foldables have been around for about eight years and still account for less than 2% of global phone sales. Even if Apple's entry pushes penetration to 3%, that is still slow relative to the explosive speed of micro-drama apps. The Verge's conclusion is telling: at this intersection, creators hold the initiative—they first saw users consuming content on phones all day long, then created content to fit. What hardware makers need to catch up with is user habits already shaped by content.

From 35mm film sprocket holes to 4:3 television, from 16:9 digital TV to vertical phone screens, aspect ratio has never been a purely technical parameter but the result of hardware and content shaping each other. The landscape swing represented by the iPhone Duo and the vertical expansion represented by micro-dramas will most likely not end with one replacing the other, but with dual-format production becoming the new industry default.

One-line Summary

Foldables' landscape swing and vertical micro-dramas' expansion meet at aspect ratio, and creators are responding calmly with dual-format production.

Paragraph Summary

Drawing on The Verge's visit to the inaugural Alvin Micro-Drama Festival, the article explores whether foldable phones' shift to a wider "passport-style" aspect ratio will interrupt the growth of vertical micro-dramas. Foldable video experience has long been poor: tall book-style models offer no benefit for landscape video when unfolded, and near-square inner screens leave large blank margins when playing vertical content. Meanwhile, the US micro-drama market is projected to exceed $1 billion in revenue this year, with its token-unlock model closer to mobile games than streaming. Facing hardware changes, most producers already shoot both vertical and horizontal versions to cover monetization on both phones and TVs, and do not see it as a threat. The real weakness is the software ecosystem: no micro-drama app can elegantly use the unfolded screen, and Apple's developer adaptation is still in a cold-start phase. With foldables accounting for less than 2% of global sales, the article concludes that dual-format production will become the new industry default.