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Apple Apple iPhone Duo

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Apple iPhone Duo

Apple iPhone Duo is Apple's first foldable iPhone, built around a 7.6-inch inner OLED, a 5.4-inch outer OLED, the A20 Pro chip, and a titanium folding body. The $1,999 US starting price makes it a specialist option for buyers who will use the larger canvas and foldable modes rather than a default upgrade from a conventional iPhone.

Buying verdict

Wait for hands-on durability and app-layout evidence before treating iPhone Duo as the best iPhone for most buyers. It makes the clearest case for iOS users who want one device for phone use, larger-screen multitasking, and Apple Pencil input; iPhone 18 Pro Max is the lower-risk alternative when a large display matters more than folding.

Best for premium foldable buyers in the Apple ecosystemBest for large-screen mobile multitaskingBest for Apple Pencil note-taking on iPhone

Editorial score

9.1 / 10

High source confidence

Reference price

$1,999

Released

Oct 23, 2026

Reference price, not a live offer. Editorial data date Sep 10, 2026. Specs and availability can vary by configuration, region, and retailer. Status: upcoming.

Source coverage: 1 cited reference covers 21 listed specifications. “Source cited” labels identify those fields; unbadged specifications remain editorial reference data pending field-level review. 2 additional product references are listed without field-level coverage.

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These links open manufacturer or retailer pages so you can check live availability. Prices on this page are editorial references, not offers. Rankings and scores are not influenced by commercial relationships.

Should you buy it?

A practical ownership call

  • Buy it if you want premium foldable buyers in the Apple ecosystem and large-screen mobile multitasking.
  • Skip it if the $1,999 launch price is $700 above iphone 18 pro max and matches the specialist nature of the foldable design.
  • Wait for final pricing and retail availability before treating it as a safe recommendation.

Pros and cons

Pros

  • The 7.6-inch inner display creates a materially larger workspace while the 5.4-inch outer display preserves closed-phone use
  • Both displays support ProMotion up to 120Hz, and the inner display supports Apple Pencil (USB-C)
  • A20 Pro, USB 3, Wi-Fi 7, Bluetooth 6, and up to 2TB of storage make the platform competitive with Apple's Pro models

Cons

  • The $1,999 launch price is $700 above iPhone 18 Pro Max and matches the specialist nature of the foldable design
  • At 254g and 11.3mm thick when closed, it is heavier and thicker than the conventional Pro models
  • Its first-generation hinge, dual-display app behavior, and long-term repair cost need independent hands-on evidence after the October release

Key specs

Display
7.6-inch inner and 5.4-inch outer Super Retina XDR OLED displays Source cited
Panel Type
Folding wide-angle OLED inner display and OLED outer display, both with Always-On and HDR support Source cited
Refresh Rate
ProMotion adaptive refresh rates up to 120Hz on both displays Source cited
Resolution
Inner: 1878 x 2670 at 430 ppi; outer: 1398 x 2034 at 460 ppi Source cited
Chipset
A20 Pro with 6-core CPU, 7-core GPU, and dual 16-core Neural Engine Source cited
Memory
Apple does not publish RAM capacity Needs confirmation
Storage
256GB / 512GB / 1TB / 2TB Source cited
Expandable Storage
Apple does not specify expandable storage support Needs confirmation

Buying scores

These are editorial estimates, not laboratory measurements. High source confidence; 88% of listed specification fields currently have field-level citations.

Camera

9.3

Battery

9.1

Display

9.8

Performance

9.9

Software Support

9.7

Value

6.6

Compare

Compare with similar products

Choose any phones alternative. Curated pairs open an editorial decision; every other pair opens a specs-only comparison.

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The best current and upcoming iPhones for mainstream buyers, Pro cameras, battery life, foldable multitasking, and long-term value.
Availability, sources, and full notes

US availability

Apple has announced US preorders for October 16 and retail availability for October 23, 2026; foldable inventory, carrier activation, and storage tiers should be checked at order time.

Common retailers

Apple, Best Buy

Sources and verification

  • Product image source · Apple · accessed Sep 10, 2026 · US Product reference only — individual specifications are not yet field-verified.
  • Apple iPhone Duo announcement and availability · Apple · accessed Sep 10, 2026 · US Product reference only — individual specifications are not yet field-verified.
  • Apple iPhone Duo technical specifications · Apple · accessed Sep 10, 2026 · US Field-level coverage: Display, Panel Type, Refresh Rate, Resolution, Chipset, Storage, Main Camera, Ultra Wide, Telephoto / Zoom, Front Camera, Video Capture, Battery, Wired Charging, Wireless Charging, Weight, Dimensions, Build, Water Resistance, Operating System, Connectivity, Biometrics

Editorial specification note

Apple's US iPhone Duo technical-specifications page was checked field by field on 2026-09-10 and covers 21 of the 24 published specification fields; RAM, expandable-storage wording, and a fixed support duration remain unverified.

Editorial price note

The $1,999 figure is Apple's published US starting price for iPhone Duo, not a live carrier promotion or trade-in-adjusted checkout quote.

Specifications

24 tracked specs across 10 groups · 21 specifications have a field-level source citation.

Display

Display
7.6-inch inner and 5.4-inch outer Super Retina XDR OLED displays Source cited
Panel Type
Folding wide-angle OLED inner display and OLED outer display, both with Always-On and HDR support Source cited
Refresh Rate
ProMotion adaptive refresh rates up to 120Hz on both displays Source cited
Resolution
Inner: 1878 x 2670 at 430 ppi; outer: 1398 x 2034 at 460 ppi Source cited

Performance

Chipset
A20 Pro with 6-core CPU, 7-core GPU, and dual 16-core Neural Engine Source cited
Memory
Apple does not publish RAM capacity Needs confirmation

Storage

Storage
256GB / 512GB / 1TB / 2TB Source cited
Expandable Storage
Apple does not specify expandable storage support Needs confirmation

Camera

Main Camera
48MP Fusion Main, 26mm, f/1.6 with sensor-shift optical image stabilization Source cited
Ultra Wide
48MP Fusion Ultra Wide, 13mm, f/2.2, 120-degree field of view Source cited
Telephoto / Zoom
12MP optical-quality 2x option from the main camera; up to 10x digital zoom Source cited
Front Camera
12MP outer Center Stage camera plus an inner under-display FaceTime camera Source cited
Video Capture
4K Dolby Vision up to 120 fps on the main camera; Cinematic mode up to 4K Dolby Vision at 60 fps Source cited

Battery

Battery
Up to 24 hours typical use; up to 44 hours outer-display or 31 hours inner-display video playback Source cited
Wired Charging
USB-C; up to 50% in around 20 minutes with a 60W-capable or higher adapter Source cited
Wireless Charging
MagSafe up to 25W and Qi2 up to 25W Source cited

Design

Weight
254g Source cited
Dimensions
Open: 164.6 x 117.8 x 5.2 mm; closed: 84.1 x 117.8 x 11.3 mm Source cited
Build
Titanium foldable design with Ceramic Shield 2 front and Ceramic Shield back Source cited

Durability

Water Resistance
IP68 (maximum depth of 6m for up to 30 minutes) Source cited

Software

Operating System
iOS 27 Source cited
Update Policy
Apple does not publish a fixed support duration Needs confirmation

Connectivity

Connectivity
5G sub-6 and mmWave, Wi-Fi 7, Bluetooth 6, NFC, Thread, second-generation UWB, Apple C2 modem Source cited

Security

Biometrics
Touch ID fingerprint sensor in the side button Source cited