iPhone 18 Pro vs iPhone Duo (folded)
12.2 mm wider, 32.2 mm shorter and 43 g heavier.
Quick answer
iPhone 18 Pro offers a standard candybar shape that is 150 mm tall, 71.9 mm wide, and 8.75 mm deep, weighing 211 g. In contrast, iPhone Duo (folded) is shorter at 117.8 mm, but substantially wider at 84.1 mm, thicker at 11.3 mm, and heavier at 254 g. For daily carry, iPhone 18 Pro fits into median men's jeans pockets, whereas iPhone Duo (folded) fails to fit into median men's or women's pockets due to its width and thickness. In one-handed use, an average adult hand can grip the 71.9 mm width of iPhone 18 Pro much more comfortably than the 84.1 mm span of iPhone Duo (folded). iPhone 18 Pro also costs 1199 USD compared to 1999 USD.
- iPhone 18 Pro fits median men's jeans pockets, but iPhone Duo (folded) fits neither men's nor women's.
- At 71.9 mm wide, iPhone 18 Pro is easier for an average adult hand to hold one-handed.
- iPhone Duo (folded) is 43 g heavier and adds noticeable pull in lightweight jacket pockets.
- iPhone 18 Pro provides a 6.3 in screen, while iPhone Duo (folded) measures 5.4 in.
TRUE SCALE · 1.7 PX/MM
TRUE SCALE · 2.2 PX/MM
Hand: US Army ANSUR II, 2012 (sex-balanced median). Pockets: The Pudding, 2018. Card: ISO/IEC 7810 ID-1.
iPhone 18 Pro: 150 by 71.9 by 8.75 millimetres, 211 grams. iPhone Duo (folded): 117.8 by 84.1 by 11.3 millimetres, 254 grams.
18 Pro, Duo shown at 2.2 pixels per millimetre.
Height: 18 Pro 150.0 millimetres, Duo 117.8 millimetres.Height: 18 Pro 5.91 inches, Duo 4.64 inches.Width: 18 Pro 71.9 millimetres, Duo 84.1 millimetres.Width: 18 Pro 2.83 inches, Duo 3.31 inches.Depth: 18 Pro 8.75 millimetres, Duo 11.30 millimetres.Depth: 18 Pro 0.34 inches, Duo 0.44 inches.Weight: 18 Pro 211 grams, Duo 254 grams.Weight: 18 Pro 7.44 ounces, Duo 8.96 ounces.
Specifications
| Specification | 18 Pro | Duo |
|---|---|---|
| Height | 150.0 millimetres5.91 inches | 117.8 millimetres, 32.2 millimetres less4.64 inches, 1.27 inches less |
| Width | 71.9 millimetres2.83 inches | 84.1 millimetres, 12.2 millimetres more3.31 inches, 0.48 inches more |
| Depth | 8.75 millimetres0.34 inches | 11.30 millimetres, 2.55 millimetres more0.44 inches, 0.10 inches more |
| Weight | 211 grams7.44 ounces | 254 grams, 43 grams more8.96 ounces, 1.52 ounces more |
| Volume | 94.4 cubic centimetres5.76 cubic inches | 111.9 cubic centimetres, 17.6 cubic centimetres more6.83 cubic inches, 1.07 cubic inches more |
| Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure. | 89 percent | 89 percent, 1 percent less |
| Display size — Screen size is always quoted in inches. | 6.3 inches | 5.4 inches, 0.9 inches less |
| Resolution | 1206 × 2622 | 1398 × 2034 |
| Pixel density | 458 pixels per inch | 457 pixels per inch, 1 pixels per inch less |
| Cutout | Dynamic Island | Dynamic Island |
| Rear main | 48MP Fusion, variable aperture f/1.48-f/4.0 | 48MP Fusion f/1.6 |
| Rear ultra-wide | 48MP Fusion f/2.2 | 48MP Ultra Wide f/2.2 |
| Rear telephoto | 48MP Fusion 100mm (4x optical, 8x optical-quality) | — |
| Front camera | 18MP Center Stage f/1.9 | 12MP Center Stage f/2.2 (outer), under-display FaceTime f/1.8 (inner) |
| Chip | A20 Pro | A20 Pro |
| Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity. | 36 hrs | 44 hrs |
| Port | USB-C | USB-C |
| Wireless | 5G · Wi-Fi 7 · Bluetooth 6 · Apple C2 modem | 5G · Wi-Fi 7 · Bluetooth 6 · Apple C2 modem |
| Water resistance | IP68 (6m for 30 min) | IP68 (6m for 30 min) |
| Storage | 256 GB – 2 TB | 256 GB – 2 TB |
| Launch price — Base configuration at launch, in US dollars. | 1,199 dollars | 1,999 dollars, 800 dollars more |
| Released | Sep 2026 | Oct 2026 |
| Status | Current | Current |
Also compared with iPhone 18 Pro
Questions about these phones
How does the size of iPhone 18 Pro compare to iPhone Duo (folded)?
iPhone 18 Pro measures 150 mm tall, 71.9 mm wide, and 8.75 mm deep. iPhone Duo (folded) is shorter at 117.8 mm, but wider at 84.1 mm and thicker at 11.3 mm.
Is iPhone Duo (folded) heavier than iPhone 18 Pro?
Yes, iPhone Duo (folded) weighs 254 g, which is 43 g heavier than iPhone 18 Pro at 211 g. The extra weight creates more sag in jacket pockets.
Which phone has a larger display between iPhone 18 Pro and iPhone Duo (folded)?
iPhone 18 Pro has a 6.3 in display. When folded, iPhone Duo (folded) provides a smaller 5.4 in outer screen.
Is iPhone 18 Pro or iPhone Duo (folded) easier to use with one hand?
iPhone 18 Pro is easier to grip one-handed because its 71.9 mm width accommodates an average adult hand. iPhone Duo (folded) spans 84.1 mm across, making one-handed thumb reaches difficult.
Will iPhone Duo (folded) or iPhone 18 Pro fit in jeans pockets?
iPhone 18 Pro fits inside median men's jeans pockets, though it does not fit median women's pockets. iPhone Duo (folded) does not fit median men's or women's jeans pockets.
Is iPhone Duo (folded) worth the price increase over iPhone 18 Pro for size alone?
iPhone 18 Pro costs 1199 USD and offers better pocketability and easier one-handed handling. At 1999 USD, iPhone Duo (folded) is significantly thicker and heavier when folded.