No, your iPhone XS case won't fit the iPhone 11 Pro Max
The iPhone XS (143.6×70.9mm) and iPhone 11 Pro Max (158×77.8mm) differ too much for cases to be compatible.
Does a iPhone XS Case Fit iPhone 11 Pro Max?
Last verified: March 2026
No, a iPhone XS case will not fit the iPhone 11 Pro Max. The phones have different dimensions that make cases incompatible.
Your iPhone XS case will NOT fit the iPhone 11 Pro Max. Here's why:
- •Camera module layout is different — cutout won't align
| Spec | iPhone XS | iPhone 11 Pro Max | Diff |
|---|---|---|---|
| Height | 143.6mm | 158mm | iPhone 11 Pro Max +14.4mm |
| Width | 70.9mm | 77.8mm | iPhone 11 Pro Max +6.9mm |
| Thickness | 7.7mm | 8.1mm | iPhone 11 Pro Max +0.4mm |
| Camera Layout | vertical-dual | square-triple | Different |
| Port | lightning | lightning | Same |
Your iPhone XS case won't fit the iPhone 11 Pro Max. Find the right case:
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Size Comparison
Wireless Charging & MagSafe
Wireless chargers work with both phones, but magnetic snap varies.
- Both devices support wireless charging. Standard Qi/Qi2 chargers work with either phone.
iPhone XS
Qi only
7.5W max
iPhone 11 Pro Max
Qi only
7.5W max
MagSafe cases are NOT cross-compatible between these devices — the case body is shaped to each phone, even though the internal magnet ring may be the same.
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Frequently Asked Questions
Are iPhone XS and iPhone 11 Pro Max the same size?
iPhone XS measures 143.6×70.9×7.7mm while iPhone 11 Pro Max measures 158×77.8×8.1mm. They are different sizes.
Can I use a iPhone XS screen protector on iPhone 11 Pro Max?
Screen sizes differ (5.8" vs 6.5") — protector won't fit.
What's different between iPhone XS and iPhone 11 Pro Max dimensions?
The height differs by 14.4mm, the width by 6.9mm, and thickness by 0.4mm. The camera module layout is also different.
Do I need a new case for iPhone 11 Pro Max?
Yes, you'll need a new case. The iPhone 11 Pro Max has different dimensions than the iPhone XS, so cases are not interchangeable.
Will iPhone XS accessories work with iPhone 11 Pro Max?
Chargers and cables are compatible since both phones use the same lightning port. Both support wireless charging, so wireless chargers work with either phone. Cases and screen protectors depend on exact dimensions — check our compatibility results above.
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