Short answer
The iPhone Duo is Apple's first folding iPhone. It costs $1,999 and goes on sale October 23, 2026, so there are no used ones yet. Get it if you want a phone that opens into a small tablet. If you want a top iPhone for a lot less, a used iPhone 17 Pro Max from us starts at $995 and a 16 Pro Max at $610. Both have a bigger screen than the Duo when it's closed.
iPhone 17 Pro Max
from $995
40 in stock
Premium from $1,105 · Value from $1,060
See colours
iPhone 16 Pro Max
from $610
283 in stock
Premium from $780 · Value from $610
See colours
At a glance
| iPhone Duo | 17 Pro Max, used | 16 Pro Max, used | |
|---|---|---|---|
| Price | $1,999 new | from $995 | from $610 |
| Screen | 7.6 in open, 5.4 in closed | 6.9 in | 6.9 in |
| Chip | A20 Pro | A19 Pro | A18 Pro |
| Zoom | 2× | 4× | 5× |
| Battery (video) | up to 31 hrs open, 44 hrs closed | up to 39 hrs | up to 33 hrs |
| Apple Intelligence | Yes | Yes | Yes |
| Storage | 256 GB to 2 TB | 256 GB to 2 TB | 256 GB to 1 TB |
| Available | October 23, 2026 | Now | Now |
iPhone Duo details from Apple, September 2026.
Which one is right for you?
Get the iPhone Duo if…
- you want a phone that opens into a small tablet
- you read, draw or watch a lot on it
- you're happy with a first-generation design
Get a used Pro Max if…
- you want the biggest regular iPhone screen
- you prefer a phone that doesn't fold
- you'd rather spend a third of the price
What it really costs you
It's yours
You own the phone outright. There's no contract and nothing to hand back.
Sell it back when you want
After 1 year, 2 years or never. We'll always make you an offer.
Unlike a lease
With a lease or upgrade plan you return the phone and never own it.
| 256 GB · Excellent | 17 Pro Max | 16 Pro Max |
|---|---|---|
| You pay today | $1,105 | $760 |
| We buy it back after 1 year (estimate) | − $460 | − $365 |
| Net cost, 1 year | $645 ≈ $54/mo | $395 ≈ $33/mo |
The iPhone Duo costs $1,999 up front. A used 16 Pro Max sold back to us after a year costs you about $395.
Estimate based on what we pay today for the same phone one or two years older, in Good condition. Your actual offer depends on its condition when you send it in. Prices update every night.
Should you wait for the Duo?
Wait if the folding screen is the reason you want a new phone. Nothing else does that. If you mainly want a big screen, a great camera and a battery that lasts all day, a Pro Max already does all three. Sell a used 16 Pro Max back to us after a year and it costs you about $395. The Duo costs $1,999 up front.
Battery health on phones we have now
Share of phones in stock with battery health of 90% or higher.
Common questions
Is it smarter to buy a used iPhone Duo or a regular iPhone?
There are no used iPhone Duos yet: it goes on sale October 23, 2026. If you want a folding screen, it's the only iPhone that has one. If you want a big screen, a great camera and all-day battery for much less, a used Pro Max does all three: a 17 Pro Max starts at $995 with us and a 16 Pro Max at $610.
Can I buy a used iPhone Duo?
Not yet. It goes on sale new on October 23, 2026, so there are no used ones. We sell tested, unlocked used iPhones, including the 17 Pro Max and 16 Pro Max.
When can I buy the iPhone Duo?
Pre-orders open October 16, 2026 and it goes on sale October 23, 2026.
How much is the iPhone Duo?
It starts at $1,999 for 256 GB. It also comes in 512 GB, 1 TB and 2 TB.
How big is the iPhone Duo's screen?
7.6 inches when open and 5.4 inches when closed. The 17 Pro Max and 16 Pro Max have a 6.9-inch screen.
Does the iPhone Duo have Apple Intelligence?
Yes, and so do the 17 Pro Max and 16 Pro Max.
Do you sell the iPhone Duo?
Not yet. We sell tested, unlocked used iPhones with a 12-month warranty and 30-day returns.
Can I sell my iPhone back to you later?
Yes. Whenever you want, we'll make you an offer on a phone you bought from us.
Source: Apple Newsroom: Apple unveils iPhone Duo