iPhone 18 Pro, Pro Max, and Duo: Full Specs, Price and Release Dates

In this article, we'll break down the iPhone 18 Pro Series, including iPhone 18 Pro specs, iPhone 18 Pro Max features, what makes iPhone Duo different, and what to know about deals, trade-in value, financing, and switching with eSIM. 

*This guide was created by T-Mobile to help you explore smartphones in our store. The opinions expressed here reflect our editorial perspective based on publicly available features, specifications, and articles. 

*Product pricing and availability are subject to change. Visit our website for the latest offers on phones, devices, and accessories. 

3 Key takeaways about the iPhone 18 Pro Series 

• The lineup includes three premium iPhone options: iPhone 18 Pro, iPhone 18 Pro Max, and iPhone Duo - Apple's first foldable iPhone. 

• The main differences are size, design, and how you use the display. iPhone 18 Pro (6.3") is the smaller Pro option, iPhone 18 Pro Max (6.9") offers a larger traditional iPhone display, and iPhone Duo opens from a 5.4" outer display into a 7.6" inner display for multitasking, video, reading, and creative use. 

• Pricing starts at $1,199.99 for iPhone 18 Pro, $1,299.99 for iPhone 18 Pro Max, and $1,999.99 for iPhone Duo.  

iPhone 18 Pro Series specs at a glance 

Here's how the three new models compare. 

What's included in the iPhone 18 Pro Series? 

All three models share the same A20 Pro chip, but the experience each one offers is different by design. iPhone 18 Pro is the smaller Pro model, iPhone 18 Pro Max adds a larger traditional display, and iPhone Duo brings a foldable screen for people who want more room to work, watch, browse, or multitask. 

• iOS version at launch: iOS 27, free starting September 14, 2026 (iPhone Duo ships with iOS 27.1) 

• Chip: A20 Pro across all three models - built on a 2-nanometer process with a 6-core CPU, 7-core GPU, and Dual 16-core Neural Engine 

• Display technology: Super Retina XDR with ProMotion, Always-On display, and a redesigned, smaller Dynamic Island that can show up to three Live Activities at once 

• Camera system: 48MP Fusion cameras across the lineup; iPhone 18 Pro and Pro Max add variable aperture (a first for iPhone) and Pro controls, while iPhone Duo adds a built-in 2x optical-quality Telephoto and folding-specific camera tricks like Smart Take and Duo Preview 

• Video features: Cinematic effects can now be applied after capture at up to 60 fps, Time-lapse supports 4K in Dolby Vision HDR, and Audio Mix can isolate music from voices 

• Apple Intelligence features: Siri AI rolls out in beta with iOS 27 (English first, expanding to French, Japanese, Korean, Portuguese, and Spanish in October); features include Spatial Reframing, Extend, upgraded Clean Up, and photorealistic Image Playground 

• Emergency and safety features: Satellite features carry over, and Apple is extending free satellite access for an extra year for eligible iPhone 14, 15, and 16 users 

• Charging details: iPhone 18 Pro and Pro Max charge to 50% in about 15 minutes wired or 30 minutes wirelessly; iPhone Duo charges to 50% in about 20 minutes wired or 30 minutes wirelessly 

• USB-C details: USB-C across the lineup, with 60W-capable fast charging support 

• Face ID or other authentication details: Face ID on iPhone 18 Pro and Pro Max; iPhone Duo uses Touch ID built into the side button, and can also be unlocked with a paired Apple Watch 

• Water and dust resistance rating: iPhone Duo is rated IP68 for splash, water, and dust resistance 

• eSIM and SIM details: eSIM-only models of iPhone 18 Pro and Pro Max are available in select countries and regions, including the U.S.; iPhone Duo is eSIM-only worldwide 

What should you know before buying the latest iPhone Pro? 

Start with the confirmed specs above, then compare them with how you use your current phone. If your biggest needs are camera quality, storage, battery life, screen size, or AI features, focus on those details first. 

iPhone 18 Pro: The compact Pro model in the lineup 

iPhone 18 Pro is the premium model for shoppers who want Pro features in a smaller size than the Pro Max. It's a strong fit if you want a powerful iPhone that's easier to hold, carry, and use with one hand. 

• Display: 6.3" Super Retina XDR with ProMotion, Always-On display, and Dynamic Island 

• Chip: A20 Pro - 6-core CPU, 7-core GPU with Neural Accelerators, Dual 16-core Neural Engine 

• Rear camera system: 48MP Pro Fusion - Fusion Main with variable aperture (ƒ/1.48–ƒ/4.0), Fusion Ultra Wide, Fusion Telephoto; optical zoom from .5x to 8x; Pro controls for manual shutter speed, white balance, and aperture 

• Front camera: 18MP Center Stage 

• Battery details: Up to 36 hours of video playback on eSIM-only models; charges to 50% in about 15 minutes wired 

• Storage options: 256GB, 512GB, 1TB, 2TB 

• Colors: Black, Silver, Glacier, and an all-new Burgundy 

• Starting price: $1,199.99

iPhone 18 Pro is a strong starting point if you want the newest Pro camera and performance features without choosing the largest iPhone. It's also a good fit if your phone spends a lot of time in your pocket, bag, car mount, or hand. 

Should you upgrade to iPhone 18 Pro from an older iPhone? 

Whether you should upgrade to an iPhone 18 Pro from an older iPhone or not is entirely up to you. Here's how you may want to think about upgrading: 

Coming from iPhone 13, 14, or 15? You're in for a real upgrade. This isn't a subtle refresh - you'll notice it right away: 

• A20 Pro's 2-nanometer chip 

• The first variable-aperture camera on any iPhone 

• Siri AI 

• Meaningfully longer battery life 

• A smaller, more useful Dynamic Island 

Already on iPhone 16 Pro or iPhone 17 Pro? This one's trickier. You've already got a great camera and Apple Intelligence, so it really comes down to whether these newer extras are worth it to you: 

• Variable aperture for more creative control over depth of field 

• Apple Reference Image for verifying photo authenticity 

• The redesigned vapor chamber's sustained performance gains for gaming or heavy multitasking 

Not sure which camp you're in? A few signs it's time either way: 

• Your battery no longer makes it through the day 

• You're constantly deleting things to free up storage 

• Your phone can't run Apple Intelligence at all 

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iPhone 18 Pro Max: A larger Pro display and premium iPhone experience 

iPhone 18 Pro Max is the larger traditional model in the iPhone 18 Pro Series. It's built for people who want more screen space for streaming, gaming, video calls, photography, editing, reading, and multitasking. 

• Display: 6.9" Super Retina XDR with ProMotion, Always-On display, and Dynamic Island 

• Chip: A20 Pro (identical to iPhone 18 Pro) 

• Rear camera system: Same 48MP Pro Fusion system as iPhone 18 Pro 

• Front camera: 18MP Center Stage 

• Battery details: Up to 45 hours of video playback on eSIM-only models - Apple calls this the largest battery-life increase ever on iPhone 

• Storage options: 256GB, 512GB, 1TB, 2TB 

• Colors: Black, Silver, Glacier, and Burgundy 

• Starting price: $1,299.99

The biggest reason to choose iPhone 18 Pro Max is the larger display paired with class-leading battery life. More screen room and more runtime can make everyday tasks feel easier, especially if you often watch videos, use maps, edit photos, or type longer messages. 

Is the bigger iPhone Pro model worth it? 

The Pro Max is worth considering if you use your phone as your main screen for entertainment, work, or creative tasks, or if all-day battery life matters most to you. If you prefer a lighter phone that's easier to use one-handed, iPhone 18 Pro is the better fit. 

iPhone Duo: The foldable iPhone option 

iPhone Duo is Apple's first foldable iPhone. It's designed for people who want a phone-sized device that opens into a much larger display. 

• Folded display: 5.4" outer Super Retina XDR - about 90% of the screen area of iPhone 18 Pro 

• Unfolded display: 7.6" inner Super Retina XDR with a nano-texture matte finish - about 50% larger than iPhone 18 Pro Max 

• Chip: A20 Pro, with up to 35% better sustained performance than iPhone 17 Pro thanks to a custom vapor chamber 

• Rear camera system: 48MP Fusion Main with a built-in optical-quality 2x Telephoto, plus a 48MP Fusion Ultra Wide 

• Front or inner camera details: Center Stage camera on the outer housing, plus a new under-display FaceTime camera on the inner screen 

• Battery details: Up to 44 hours of video on the outer display, 31 hours on the inner display, or 24 hours with mixed use; charges to 50% in about 20 minutes wired or 30 minutes wirelessly 

• Storage options: 256GB, 512GB, 1TB, 2TB 

• Colors: Star White and Night Sky, in grade 5 titanium with a mirror-polished finish 

• Starting price: $1,999.99, or as low as $57.99/month for 24 months through Apple Upgrade 

A foldable iPhone is useful if you want more space for reading, maps, photos, video, apps, or side-by-side tasks. When folded, it feels close to a standard phone, at about 90% of the screen area of iPhone 18 Pro. When opened, it gives you a display roughly 50% larger than iPhone 18 Pro Max - Apple's largest iPhone screen yet. 

Is iPhone Duo worth it? 

iPhone Duo is worth considering if you expect to use the larger display often for Split View multitasking, streaming, or creative work. Before choosing it, compare its $1,999.99 starting price, IP68 durability rating, folded and unfolded display sizes, camera features, and later availability. 

iPhone deals, trade-ins, and questions to ask 

Specs are only part of the upgrade decision. The best iPhone option for your budget may depend on timing, trade-in value, financing terms, and whether you buy online or in store. 

Before you order your new iPhone, ask yourself the following: 

1. What should you know about iPhone trade-in values? 

Trade-in value depends on your current phone's model, age, storage, and condition. Apple's own trade-in program offers $175 to $885 in instant credit for eligible iPhone 13 or later devices toward iPhone 18 Pro or Pro Max; carrier trade-in deals may offer up to $1,200 in bill credit for eligible devices traded in any condition. Before you order, check the estimated value and make sure you understand how the final inspection process works. 

2. Should you buy an iPhone outright or finance it? 

Buying outright keeps the purchase simple, while financing spreads out the cost over time. Compare the full device cost, monthly payment, promotional credits, plan requirements, and what happens if you upgrade or pay off the device early. 

3. Is it better to buy an iPhone online or in store? 

Buying online is convenient if you already know the model, color, storage, and payment option you want. Buying in store can help if you want support with trade-in questions, setup, eSIM activation, or moving data from your old phone. 

4. How do you switch phone carriers on an iPhone using eSIM? 

First, confirm your iPhone and plan support eSIM - all three new models are eSIM-capable, and iPhone Duo is eSIM-only worldwide. Then follow the activation steps from your carrier, connect to Wi-Fi during setup, and test calls, texts, data, and hotspot before wiping your old phone.

FAQs about the iPhone 18 Pro Series  

The iPhone 18 Pro Series gives you 3 ways to choose your next iPhone 

The iPhone 18 Pro Series centers on three models: iPhone 18 Pro, iPhone 18 Pro Max, and iPhone Duo. iPhone 18 Pro offers a smaller Pro option, iPhone 18 Pro Max gives you a larger traditional display with the best battery life in iPhone history, and iPhone Duo adds Apple's first foldable design for people who want significantly more screen space. 

For shoppers comparing iPhone 18 models, the best place to start is screen size, camera needs, storage, price, trade-in value, and whether a foldable display fits how you use your phone. 

You may also be interested in 

• Top 10 iPhone Questions: iPhone Features Explained 
• Get iPhone 18 Pro on Us at T‑Mobile — America’s Best Network  

• iPhone 17 Series vs. iPhone 16 Series: New Features, Specs, Price & Upgrade Guide 

• Ranking Our Best iPhones 

• What's the Trade-In Value of Your iPhone? 

• How and Why to Upgrade Your iPhone 

• Our Best Deals on iPhone 

• Shop All iPhones 

• Apple's First iPhone: How It Looked and What It Could Do 

Sources 

https://www.apple.com/newsroom/2026/09/apple-debuts-iphone-18-pro-and-iphone-18-pro-max

https://www.apple.com/newsroom/2026/09/apple-unveils-iphone-duo