Apple’s rumored iPhone Ultra is shaping up to be less of an automatic upgrade over the iPhone 18 Pro and more of a genuine trade-off, and that’s arguably the more interesting story here than the foldable reveal itself. According to current reporting, at least four meaningful features are expected to favor the traditional iPhone 18 Pro over Apple’s first foldable, which is a strange position for Apple’s presumably most expensive device to be in.
Where the Pro Wins on Cameras
Camera hardware is where the gap looks sharpest. The 18 Pro is rumored to get a variable-aperture main camera, letting it adjust depth of field more precisely for portraits and potentially handle low light better, a feature reportedly skipped on the Ultra because the necessary hardware simply doesn’t fit inside such a thin foldable body. The Pro is also expected to keep its dedicated telephoto camera, possibly even with a larger aperture than before, while the Ultra is rumored to ship with just a Main and Ultra Wide setup. For anyone who leans on zoom shots regularly, that’s not a small omission.
Face ID and Battery Life Favor the Slab Phone
Biometrics tell a similar story. The 18 Pro is expected to retain Face ID, while the Ultra is rumored to fall back on Touch ID instead, reportedly because fitting Face ID components into a foldable chassis that needs to account for two displays is a harder engineering problem than Apple wants to solve for this generation. That’s a real behavioral shift for anyone who’s used Face ID as their default unlock method since 2017.
Then there’s battery life, where the advantage tilts toward the Pro Max specifically rather than the Ultra. Reports suggest the iPhone 18 Pro Max could get a physical battery roughly 10% larger than last year’s 17 Pro Max, paired with efficiency gains from the A20 Pro and C2 chips. The Ultra’s battery is expected to be substantial too, but its thin foldable design reportedly caps how much cell Apple can physically pack in, meaning the slab phone might simply last longer per charge.
Why the Ultra Still Makes Sense
None of this makes the Ultra a lesser device, though, and that’s the part worth sitting with. Apple’s foldable is reportedly built around a book-style design with a compact outer screen and a much larger inner display, the kind of hardware trick that simply isn’t possible on a traditional iPhone. That’s the actual pitch: a phone that transforms into something closer to a small tablet, not a phone that wins every spec comparison against the Pro line. It’s also expected to cost considerably more, so the pricing alone tells you Apple isn’t positioning this as a straightforward upgrade path.
The Bigger Picture
What’s happening here mirrors how Samsung has handled Galaxy Z Fold devices for years. Foldables have historically involved camera and battery compromises relative to a flagship slab phone, and it looks like Apple isn’t escaping that pattern with its first attempt. If these rumors hold up once Apple’s September 9 event happens, the real decision for buyers won’t be “which iPhone is better,” it’ll be “do I care more about a bigger inner screen or about zoom, Face ID, and extra battery life.” That’s a genuinely different question than Apple has ever asked its customers before.
M Adnan Akram is the founder and lead writer at Phoonomo, covering mobile technology with a primary focus on Apple and the broader smartphone industry, alongside emerging developments in AI. He follows product launches, spec leaks, and industry trends closely to keep readers informed with timely updates.
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