iPhone 18 Pro
iPhone Duo vs iPhone 18 Pro: two very different flagships
Both use A20 Pro, but they target different priorities: Duo focuses on foldable multitasking, while 18 Pro emphasizes cameras, a conventional form factor and a lower starting price.
The biggest difference is the form factor
iPhone Duo combines a 7.6-inch inner display with a 5.4-inch outer display. iPhone 18 Pro uses a conventional 6.3-inch display, while Pro Max is 6.9 inches.
Duo and 18 Pro compared
| Feature | iPhone Duo | iPhone 18 Pro |
|---|---|---|
| Form factor | Foldable, two displays | Conventional, one display |
| Display | 7.6″ inner + 5.4″ outer | 6.3″ Pro / 6.9″ Pro Max |
| Chip | A20 Pro | A20 Pro |
| Cameras | 48MP main + 48MP ultra wide | 48MP variable-aperture main + 48MP ultra wide + 48MP telephoto |
| Zoom | up to 2x optical quality | up to 8x optical quality |
| Storage | 256 GB–2 TB | 256 GB–2 TB |
| Starting price DE | from €2,299 | from €1,449 |
| SIM in Germany | Dual eSIM, no physical SIM | nano-SIM + eSIM, dual eSIM support |
| Availability | from Oct 23, 2026 | from Sep 18, 2026 |