iPhone Duo (folded) vs iPhone 18 Pro
Quick answer
The iPhone Duo (folded) provides a much wider, blockier grip than the slender iPhone 18 Pro.
Easier one-handed: iPhone 18 Pro
Pocket: iPhone 18 Pro
Weight difference: Noticeable
- The iPhone Duo (folded) creates a distinctly broader handhold that requires two hands to manage comfortably compared to the slab form.
- Carrying the iPhone Duo (folded) adds noticeable heft and bulk in a pocket relative to the trimmer iPhone 18 Pro.
- Daily reading and media viewing distribute differently across the wide, stubby screen of the iPhone Duo (folded) versus the tall slab.
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 Duo (folded): 117.8 by 84.1 by 11.3 millimetres, 254 grams. iPhone 18 Pro: 150 by 71.9 by 8.75 millimetres, 211 grams.
Duo, 18 Pro shown at 2.2 pixels per millimetre.
- iPhone Duo (folded) — from $1,999 at launch, ships 23 October.
- iPhone 18 Pro — from $1,199 at launch, ships 18 September.
Height: Duo 117.8 millimetres, 18 Pro 150.0 millimetres.Height: Duo 4.64 inches, 18 Pro 5.91 inches.Width: Duo 84.1 millimetres, 18 Pro 71.9 millimetres.Width: Duo 3.31 inches, 18 Pro 2.83 inches.Depth: Duo 11.30 millimetres, 18 Pro 8.75 millimetres.Depth: Duo 0.44 inches, 18 Pro 0.34 inches.Weight: Duo 254 grams, 18 Pro 211 grams.Weight: Duo 8.96 ounces, 18 Pro 7.44 ounces.
Specifications
| Specification | Duo | 18 Pro |
|---|---|---|
| Height | 117.8 millimetres4.64 inches | 150.0 millimetres, 32.2 millimetres more5.91 inches, 1.27 inches more |
| Width | 84.1 millimetres3.31 inches | 71.9 millimetres, 12.2 millimetres less2.83 inches, 0.48 inches less |
| Depth | 11.30 millimetres0.44 inches | 8.75 millimetres, 2.55 millimetres less0.34 inches, 0.10 inches less |
| Weight | 254 grams8.96 ounces | 211 grams, 43 grams less7.44 ounces, 1.52 ounces less |
| Volume | 111.9 cubic centimetres6.83 cubic inches | 94.4 cubic centimetres, 17.6 cubic centimetres less5.76 cubic inches, 1.07 cubic inches less |
| Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure. | 89 percent | 89 percent, 1 percent more |
| Display size — Screen size is always quoted in inches. | 5.4 inches | 6.3 inches, 0.9 inches more |
| Resolution | 1398 × 2034 | 1206 × 2622 |
| Pixel density | 457 pixels per inch | 458 pixels per inch, 1 pixels per inch more |
| Cutout | Dynamic Island | Dynamic Island |
| Rear main | 48MP Fusion f/1.6 | 48MP Fusion, variable aperture f/1.48-f/4.0 |
| Rear ultra-wide | 48MP Ultra Wide f/2.2 | 48MP Fusion f/2.2 |
| Rear telephoto | — | 48MP Fusion 100mm (4x optical, 8x optical-quality) |
| Front camera | 12MP Center Stage f/2.2 (outer), under-display FaceTime f/1.8 (inner) | 18MP Center Stage f/1.9 |
| Chip | A20 Pro | A20 Pro |
| Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity. | 44 hrs | 36 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. | 1,999 dollars | 1,199 dollars, 800 dollars less |
| Released | Oct 2026 | Sep 2026 |
| Status | Current | Current |
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Questions about these phones
How does the one-handed reach compare between the iPhone Duo (folded) and iPhone 18 Pro?
The iPhone 18 Pro offers a much narrower body that fits comfortably in one hand, whereas the iPhone Duo (folded) is significantly wider and demands a two-handed grip.
Which device is easier to carry in a pocket?
The iPhone 18 Pro slides easily into pockets, while the thicker and heavier iPhone Duo (folded) feels much bulkier.
How do the weights of the iPhone Duo (folded) and iPhone 18 Pro compare?
The iPhone Duo (folded) weighs 254 g, making it noticeably heavier than the 211 g iPhone 18 Pro.
What are the screen sizes of the iPhone Duo (folded) and iPhone 18 Pro?
The iPhone Duo (folded) features a 5.4-inch display when closed, compared to the 6.3-inch screen on the iPhone 18 Pro.
How do the overall footprints differ?
The iPhone Duo (folded) measures 117.8 mm tall by 84.1 mm wide, while the iPhone 18 Pro measures 150 mm tall by 71.9 mm wide.
Are both phones suitable for smaller hands?
The iPhone 18 Pro suits smaller hands much better due to its narrow width, whereas the wide iPhone Duo (folded) is harder to span.