Apple iPhone Air (1st gen) vs Apple iPhone Duo: which should you buy?
Our pick
- iPhone Air for a thin 6.5-inch phone
- iPhone Duo for a phone that opens into a 7.6-inch screen
$1,099 (256GB)
Get it if
- You prefer a 6.5-inch phone that is 5.64 mm thin.
- You prefer to unlock with Face ID.
Checked Nov 15, 2026 · We may earn a commission.
$1,999 (256GB)
Get it if
- You read, watch video or work in two apps at once and want a 7.6-inch screen that folds into your pocket.
- You want to sketch or take notes with Apple Pencil.
- You want a 48MP Ultra Wide camera as well as the main camera.
- You want the longer battery: up to 31 hours of video playback on the inner screen and 44 on the outer, to 27.
Checked Nov 15, 2026 · We may earn a commission.
The iPhone Air is the thin, simple choice: a 6.5-inch phone 5.64 mm thin in a titanium body, unlocked with Face ID. The iPhone Duo opens into a 7.6-inch inner screen with Apple Pencil support, and adds a 48MP Ultra Wide camera, stereo speakers, longer battery life and faster charging.
What's different
Thickness
iPhone Air5.64 mmiPhone Duo11.3 mm closed, 5.2 mm openThe iPhone Air is a 6.5-inch phone 5.64 mm thin that weighs 165 g (5.82 oz). The Duo weighs 254 g (8.96 oz) and opens from a 5.4-inch outer screen to a 7.6-inch one, wide enough for two apps at once and for notes with Apple Pencil (USB-C); the Air has no Pencil support. Closed, the Duo measures 11.3 mm thick, and 5.2 mm open.
A second camera on the Duo
Both have a 48MP Fusion Main camera. The Duo adds a 48MP Ultra Wide camera for wide scenes and close-ups; the Air has no Ultra Wide camera. The Duo also has stereo speakers to the Air's single speaker.
Wired fast charge
iPhone Air50% in about 30 min (20W)iPhone Duo (leads)50% in about 20 min (60W)Apple rates the Air for up to 27 hours of video playback. The Duo gets up to 44 hours on its outer screen and 31 on the inner one. Wired, the Duo reaches 50% in about 20 minutes on a 60W adapter and the Air in about 30 minutes on 20W. Wirelessly, the Duo charges at up to 25W and the Air at up to 20W.
Chip
iPhone AirA19 ProiPhone DuoA20 ProThe Air runs the A19 Pro and the Duo the A20 Pro. Face ID unlocks the Air; the Duo has Touch ID in its side button.
What's the same
- ProMotion up to 120Hz, an Always-On display and the Dynamic Island
- Up to 3,000 nits of peak brightness outdoors
- A 48MP Fusion Main camera and Camera Control
- IP68, Wi-Fi 7 and a Ceramic Shield 2 front
Tale of the Tape
iPhone Air
iPhone Duo
- iPhone Air: 6.5-inch Screen sizeiPhone Duo: 7.6-inch inside, 5.4-inch cover
- iPhone Air: 5.64 mm ThicknessiPhone Duo: 11.3 mm closed, 5.2 mm open
- iPhone Air: 165 g (5.82 oz) WeightiPhone Duo: 254 g (8.96 oz)
- iPhone Air: Titanium BodyiPhone Duo: Titanium foldable
- iPhone Air: No Apple Pencil supportiPhone Duo: Yes (Apple Pencil USB-C) âś“
- iPhone Air: No Ultra Wide cameraiPhone Duo: 48MP âś“
- iPhone Air: Single built-in speaker SpeakersiPhone Duo: Stereo âś“
- iPhone Air: Up to 27 hrs Video playback (rated)iPhone Duo: Up to 31 hrs (inner screen), 44 hrs (cover screen) âś“
- iPhone Air: 50% in about 30 min (20W) Wired fast chargeiPhone Duo: 50% in about 20 min (60W) âś“
- iPhone Air: Up to 20W Wireless chargingiPhone Duo: Up to 25W âś“
- iPhone Air: A19 Pro ChipiPhone Duo: A20 Pro
- iPhone Air: Face ID UnlockiPhone Duo: Touch ID in the side button
