No, your Galaxy S21 FE case won't fit the iPhone Air
The Galaxy S21 FE (155.7×74.5mm) and iPhone Air (156.2×74.7mm) differ too much for cases to be compatible.
Does a Galaxy S21 FE Case Fit iPhone Air?
Last verified: March 2026
No, a Galaxy S21 FE case will not fit the iPhone Air. The phones have different dimensions that make cases incompatible.
Your Galaxy S21 FE case will NOT fit the iPhone Air. Here's why:
- •Camera module layout is different — cutout won't align
| Spec | Galaxy S21 FE | iPhone Air | Diff |
|---|---|---|---|
| Height | 155.7mm | 156.2mm | iPhone Air +0.5mm |
| Width | 74.5mm | 74.7mm | iPhone Air +0.2mm |
| Thickness | 7.9mm | 5.64mm | Galaxy S21 FE +2.3mm |
| Camera Layout | vertical-triple | single | Different |
| Port | usb-c | usb-c | Same |
Button & Port Alignment
- •New phone has Camera Control button — old case has no cutout for it
Your Galaxy S21 FE case won't fit the iPhone Air. Find the right case:
As an Amazon Associate, WillItSnap earns from qualifying purchases. This doesn't affect our compatibility data.
Get alerts when we add more phones
Size Comparison
Wireless Charging & MagSafe
Wireless chargers work with both phones, but magnetic snap varies.
- Your MagSafe charger will charge the Galaxy S21 FE via Qi, but it won't magnetically snap on.
- Only the iPhone Air has built-in magnets for MagSafe accessories. The Galaxy S21 FE needs a magnetic case or ring adapter.
Galaxy S21 FE
Qi only
15W max
iPhone Air
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.
Related Guides
Related Compatibility Checks
Frequently Asked Questions
Are Galaxy S21 FE and iPhone Air the same size?
Galaxy S21 FE measures 155.7×74.5×7.9mm while iPhone Air measures 156.2×74.7×5.64mm. They are different sizes.
Can I use a Galaxy S21 FE screen protector on iPhone Air?
Same screen size (6.5") with minimal width difference — should fit.
What's different between Galaxy S21 FE and iPhone Air dimensions?
The height differs by 0.5mm, the width by 0.2mm, and thickness by 2.3mm. The camera module layout is also different.
Do I need a new case for iPhone Air?
Yes, you'll need a new case. The iPhone Air has different dimensions than the Galaxy S21 FE, so cases are not interchangeable.
Will Galaxy S21 FE accessories work with iPhone Air?
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.
Want to check another phone?
← Back to the compatibility checker