No, your iPhone 17 Pro Max case won't fit the iPhone 15 Plus
The iPhone 17 Pro Max (163.4×78mm) and iPhone 15 Plus (160.9×77.8mm) differ too much for cases to be compatible.
Does a iPhone 17 Pro Max Case Fit iPhone 15 Plus?
Last verified: March 2026
No, a iPhone 17 Pro Max case will not fit the iPhone 15 Plus. The phones have different dimensions that make cases incompatible.
Your iPhone 17 Pro Max case will NOT fit the iPhone 15 Plus. Here's why:
- •Camera module layout is different — cutout won't align
| Spec | iPhone 17 Pro Max | iPhone 15 Plus | Diff |
|---|---|---|---|
| Height | 163.4mm | 160.9mm | iPhone 17 Pro Max +2.5mm |
| Width | 78mm | 77.8mm | iPhone 17 Pro Max +0.2mm |
| Thickness | 8.75mm | 7.8mm | iPhone 17 Pro Max +1.0mm |
| Camera Layout | horizontal-bar | diagonal-dual | Different |
| Port | usb-c | usb-c | Same |
Button & Port Alignment
- •Action Button vs mute toggle switch — case cutout shape is incompatible
- •Old phone has Camera Control button — new phone case has no cutout for it
Since your iPhone 17 Pro Max case won't work with the iPhone 15 Plus, here are the highest-rated cases that will:
OtterBox
OtterBox Commuter Series for iPhone 15 Plus
$39.95
OtterBox
OtterBox Defender Series for iPhone 15 Plus
$64.95
ESR
ESR Classic Series MagSafe for iPhone 15 Plus
$15.99
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Size Comparison
Wireless Charging & MagSafe
Wireless chargers and magnetic accessories work with both phones.
- Your MagSafe charger will work with both devices.
- Max wireless speed differs: iPhone 17 Pro Max charges at 25W, iPhone 15 Plus at 15W.
- Both devices have built-in magnets — MagSafe wallets, car mounts, and battery packs will snap onto either phone.
iPhone 17 Pro Max
MagSafe Gen 2
25W max
iPhone 15 Plus
MagSafe Gen 1
15W 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. Clear MagSafe cases have an additional incompatibility: the iPhone 17 Pro Max has a bottom-notched magnet ring visible through clear cases, while the iPhone 15 Plus has a standard closed circle.
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Frequently Asked Questions
Are iPhone 17 Pro Max and iPhone 15 Plus the same size?
iPhone 17 Pro Max measures 163.4×78×8.75mm while iPhone 15 Plus measures 160.9×77.8×7.8mm. They are different sizes.
Can I use a iPhone 17 Pro Max screen protector on iPhone 15 Plus?
Edge types differ (flat vs curved) — screen protector won't adhere properly.
What's different between iPhone 17 Pro Max and iPhone 15 Plus dimensions?
The height differs by 2.5mm, the width by 0.2mm, and thickness by 1.0mm. The camera module layout is also different.
Do I need a new case for iPhone 15 Plus?
Yes, you'll need a new case. The iPhone 15 Plus has different dimensions than the iPhone 17 Pro Max, so cases are not interchangeable.
Will iPhone 17 Pro Max accessories work with iPhone 15 Plus?
Chargers and cables are compatible since both phones use the same usb-c 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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