No, your OnePlus 13 case won't fit the iPhone 15 Pro Max
The OnePlus 13 (162.9×76.5mm) and iPhone 15 Pro Max (159.9×76.7mm) differ too much for cases to be compatible.
Does a OnePlus 13 Case Fit iPhone 15 Pro Max?
Last verified: March 2026
No, a OnePlus 13 case will not fit the iPhone 15 Pro Max. The phones have different dimensions that make cases incompatible.
Your OnePlus 13 case will NOT fit the iPhone 15 Pro Max. Here's why:
- •Camera module layout is different — cutout won't align
| Spec | OnePlus 13 | iPhone 15 Pro Max | Diff |
|---|---|---|---|
| Height | 162.9mm | 159.9mm | OnePlus 13 +3.0mm |
| Width | 76.5mm | 76.7mm | iPhone 15 Pro Max +0.2mm |
| Thickness | 8.5mm | 8.25mm | OnePlus 13 +0.3mm |
| Camera Layout | circular-triple | square-triple | Different |
| Port | usb-c | usb-c | Same |
Button & Port Alignment
- •Old phone has alert slider — new phone does not
Since your OnePlus 13 case won't work with the iPhone 15 Pro Max, here are the highest-rated cases that will:
Caseology
Caseology Parallax for iPhone 15 Pro Max
$16.99
Spigen
Spigen Ultra Hybrid MagFit for iPhone 15 Pro Max
$17.99
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Size Comparison
Wireless Charging & MagSafe
Wireless chargers work with both phones, but magnetic snap varies.
- Your MagSafe charger will charge the OnePlus 13 via Qi, but it won't magnetically snap on.
- Only the iPhone 15 Pro Max has built-in magnets for MagSafe accessories. The OnePlus 13 needs a magnetic case or ring adapter.
OnePlus 13
Qi only
15W max
iPhone 15 Pro Max
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.
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Frequently Asked Questions
Are OnePlus 13 and iPhone 15 Pro Max the same size?
OnePlus 13 measures 162.9×76.5×8.5mm while iPhone 15 Pro Max measures 159.9×76.7×8.25mm. They are different sizes.
Can I use a OnePlus 13 screen protector on iPhone 15 Pro Max?
Screen sizes are close (6.82" vs 6.7") but may not align perfectly.
What's different between OnePlus 13 and iPhone 15 Pro Max dimensions?
The height differs by 3.0mm, the width by 0.2mm, and thickness by 0.3mm. The camera module layout is also different.
Do I need a new case for iPhone 15 Pro Max?
Yes, you'll need a new case. The iPhone 15 Pro Max has different dimensions than the OnePlus 13, so cases are not interchangeable.
Will OnePlus 13 accessories work with iPhone 15 Pro Max?
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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