Note: Both phones are unreleased. Every size, spec and price point below is rumored and unconfirmed. We will update this comparison after Apple's announcement.
The Core Difference: Size
The gap between these two Pro models is expected to come down mainly to size and battery. Rumors point to the iPhone 18 Pro at roughly a 6.3-inch class display and the 18 Pro Max at around 6.9 inches, with the larger model carrying a bigger battery. Cameras and chip are expected to be largely shared.
Who Should Buy Which
Choose the 18 Pro if you want a more pocketable, easier one-handed phone at a lower expected price. Choose the 18 Pro Max if you want the biggest screen and the longest battery life and do not mind the extra size and weight. If camera and performance are shared, size and endurance are the deciding factors.
Which Case for Each
A large Pro Max benefits most from a rugged or grippy case with a kickstand to manage the size, while the Pro pairs nicely with a slim MagSafe or clear case. Both should have a raised camera lip. Remember: cases are model-specific, so an 18 Pro case will not fit an 18 Pro Max and vice versa.
Shop Cases at Gorilla Cases
Fitted cases will populate the iPhone 18 Pro and iPhone 18 Pro Max collections after launch. To preview the styles today, browse the live iPhone 17 Pro Cases collection.
iPhone 18 Pro Max vs 18 Pro FAQ
Are they out yet? No — both are rumored and unreleased.
Do the two share cameras? Rumors suggest a largely shared camera and chip, with size and battery as the main differences — unconfirmed.
Can one case fit both? No — different sizes mean different cases.
Which has better battery? The larger Pro Max is expected to last longer thanks to a bigger battery.