Embargo lifted Wednesday, October 21, 2026 · Launches Friday, October 23 · $1,999+
The Duo half-open, from MKBHD's review. Stills and GIFs on this page are pulled from the actual review videos.
| Outlet | Test | Result |
|---|---|---|
| Tom's Guide | Web surfing rundown | 13h 20m — 3+ hrs longer than Galaxy Z Fold 8, well short of 18 Pro Max (17.5h) |
| Engadget | Local video playback | 28h 48m — ~40% left at the end of normal days |
| Gizmodo | Real-world use | 5.5–7.5 hrs screen-on time |
| MKBHD | Mixed open/closed use | Ends the day with 30%+ remaining; efficiency on par with iPhone 17 Pro |
| 9to5Mac | Normal days, no formal test | ~20% left at bedtime |
| UrAvgConsumer | Full week as main phone | Morning to bedtime on normal days; a heavy filming day hit 6% by 6 p.m. |
| The Verge | Heavy use, two reviewers | One needed a midday top-up; the other finished with ~30% after 6.5h screen-on |
“iPhone Duo Review: First Generation Fun!”
“iPhone Duo Review — Messier Than You Think”
“One of Apple's messiest first-generation products in a long time.”
“iPhone Duo Review — Apple Knows Best”
“Putting Apple's Folding Phone Through Hell”
“iPhone Duo Review: Double-Edged Sword”
“Late to the Foldable Party, but It Steals the Show”
“My favorite foldable yet — but there's a catch”
“The iPhone Duo is Brilliant… and Frustrating”
“I Lived With the iPhone Duo — Here's What Happened”
“iPhone Duo Review — A Week With the Folding iPhone!”
“iPhone Duo: A Photographer's Review”
“The best foldable for iPhone lovers”
“iPhone Duo Review: Folding Has a Price”
“I Tested Every iPhone Duo Feature & They Are INSANE”
The unfold — MKBHD swings it from closed to half-open “laptop” mode.
Hingey at work — Stern's robot cycling the hinge toward 30,000 folds.
The hardware macro — the polished titanium frame, from MKBHD's intro.