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Otterbox and Astropad think iPhone 17 Pro cases will fit iPhone 18 Pro

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Why This Matters

The potential compatibility of iPhone 18 Pro cases with iPhone 17 Pro models highlights how accessory makers are preparing for minimal design changes, which could benefit consumers by reducing accessory costs during upgrades. However, conflicting reports about the device's thickness and dimensions suggest that consumers should remain cautious about purchasing cases early. This situation underscores the importance of accurate leak information and the impact it has on the accessory industry and consumer choices.

Key Takeaways

One of the hidden expenses in upgrading to a new iPhone can often be the need to replace your case when the dimensions differ.

That so far seemed a likely bet for anyone upgrading from one of last year’s Pro models to the iPhone 18 Pro, but two accessory makers think not – with one of them going all-in on the bet …

Bloomberg’s Mark Gurman tweeted a photo of an Otterbox case already on sale at Best Buy, stating that it’s compatible with both the iPhone 17 Pro and the iPhone 18 Pro. The bottom-right of the packaging states in English and French:

for

iPhone 18 Pro

iPhone 17 Pro

Gurman himself isn’t convinced, adding the comment “a little early.” But Astropad’s Matt Ronge, maker of anti-reflective screen protectors for iPhones, says his suppliers are telling him the same thing.

Confirmed by our suppliers too — Matt Ronge (@mronge) August 19, 2026

Conflicting iPhone Pro thickness reports

A leaker last year suggested that at least the iPhone 18 Pro Max would be thicker and heavier than its predecessor. That report said nothing about the smaller Pro model, but leaked materials from an iPhone supplier also indicated that the iPhone 18 Pro will be two millimetres thicker than its predecessors.

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