iPhone Duo comparisons

Side-by-side specs, the cost of ownership, and clear guidance on who should buy which. The Apple-to-Apple comparisons come first because that's the decision most buyers are making.

By Mike Johnson

Start here

iPhoneiPhone Duo vs iPhone 18 Pro MaxCamera, Face ID and weight against the folding screen.VideoComparison videosSide by side with the Galaxy Z Fold 8 and 18 Pro Max.

Against other iPhones 4

Same ecosystem, different shape.

vs iPhone 18 Pro MaxCameras, Face ID, weight and cost of ownership.→
vs iPhone 18 ProThe smaller Pro against the Duo.
vs iPhone AirThinnest against most screen.
vs iPhone 17 Pro MaxFor owners deciding whether to upgrade.

Against iPad 2

If what you want is a bigger screen.

vs iPad miniOne device or two.
Duo plus iPad: do you still need both?What the inner screen replaces.

Against Android foldables 5

Different platform, same form factor.

vs Samsung Galaxy Z Fold 8Displays, crease, weight, software.
vs Galaxy Z Fold 8 UltraSamsung's top model.
vs Google Pixel 11 Pro FoldCamera and AI features against iOS.
vs Honor Magic V6The thin-and-light benchmark.
vs Motorola Razr FoldBook-style Razr compared.

Common questions

Is the iPhone Duo better than the iPhone 18 Pro Max?

Different. The 18 Pro Max has a dedicated telephoto camera, Face ID and a slightly lighter body; the Duo has the larger screen, Apple Pencil support and iPad-style multitasking. The comparison page sets out who should buy which.

How does the Duo compare on repair costs?

Apple's inner-display fee is $999 without AppleCare+, or $99 with it. The outer display is $379, the same as the 18 Pro Max's display repair.