Apple iPhone 17 vs Apple iPhone 18 Pro

Our Verdict: Apple iPhone 17 and Apple iPhone 18 Pro both have 6.3-inch OLED screens, but their bodies and storage options differ. At 177g, the regular model is 34g lighter, while the Pro extends storage to 2TB rather than 512GB. Pick the lighter handset for comfortable daily use, or the Pro if large recordings and offline files regularly fill your phone.

Over a full contract, the 17 works out around £792 all-in, about £424 less than the 18 Pro.

Release Date
19 September 2025 18 September 2026
Expert Rating
4.5
15 reviews
4.6
11 reviews
Screen
6.3" 6.3"
Display
LTPO Super Retina XDR OLED Super Retina XDR OLED
Resolution
1206 x 2622 1206 x 2622
Pixels Per Inch
458 458
Rear Camera
48 Megapixels 48 Megapixels
Front Camera
18 Megapixels 18 Megapixels
Chipset
Apple A19 Apple A20 Pro (2 nm)
Battery
3,692 mAh 4,056 mAh
Storage
256GB, 512GB 256GB, 512GB, 1TB, 2TB
OS
Apple iOS Apple iOS
SIM Type
nano-SIM and e-SIM nano-SIM and e-SIM
Connectivity
Up to 5G Up to 5G
Wi-Fi
802.11 a/b/g/n/ac/6e/7 802.11 a/b/g/n/ac/6e/7
Bluetooth
6.0, A2DP, LE 6.0, A2DP, LE
Dimensions
149.6 x 71.5 x 7.95 mm 150.0 x 71.9 x 8.75 mm
Weight
177 grams 211 grams
Water Resistance
IP68 dust/water resistant (up to 6m for 30 mins) IP68 dust/water resistant (up to 6m for 30 mins)
Contracts
£29.99/mo (£39.00 upfront) £11.95/mo (£959.00 upfront)
SIM-free
£658.75 £1197.00
Apple iPhone 17 Apple iPhone 17 Apple iPhone 18 Pro Apple iPhone 18 Pro
Release Date 19 September 2025 18 September 2026
Expert Rating 4.5
15 reviews
4.6
11 reviews
Screen 6.3" 6.3"
Display LTPO Super Retina XDR OLED Super Retina XDR OLED
Resolution 1206 x 2622 1206 x 2622
Pixels Per Inch 458 458
Rear Camera 48 Megapixels 48 Megapixels
Front Camera 18 Megapixels 18 Megapixels
Chipset Apple A19 Apple A20 Pro (2 nm)
Battery 3,692 mAh 4,056 mAh
Storage 256GB, 512GB 256GB, 512GB, 1TB, 2TB
OS Apple iOS Apple iOS
SIM Type nano-SIM and e-SIM nano-SIM and e-SIM
Connectivity Up to 5G Up to 5G
Wi-Fi 802.11 a/b/g/n/ac/6e/7 802.11 a/b/g/n/ac/6e/7
Bluetooth 6.0, A2DP, LE 6.0, A2DP, LE
Dimensions 149.6 x 71.5 x 7.95 mm 150.0 x 71.9 x 8.75 mm
Weight 177 grams 211 grams
Water Resistance IP68 dust/water resistant (up to 6m for 30 mins) IP68 dust/water resistant (up to 6m for 30 mins)
Contracts £29.99/mo
£39.00 upfront
£11.95/mo
£959.00 upfront
SIM-free £658.75 £1197.00
Deals Deals

Cheapest Deals

Apple iPhone 17
Apple iPhone 17

24 Months

256GB

Lavender

Refurbished

400GB

Data

Unlimited

Unlimited

£29.99 a month, £39 upfront.

Monthly payment will increase to £31.79 on 1 April 2027. Then to £33.59 on 1 April 2028.

Use code: SAVING10 (£10 off)

Apple iPhone 18 Pro
Apple iPhone 18 Pro

24 Months

256GB

Silver

15GB

Data

Unlimited

Unlimited

£11.95 a month, £959 upfront.

No mid-contract price increases.

Use code: 30JNOFF (£30 off)

Related Comparisons

Frequently Asked Questions

Is the Apple iPhone 17 or Apple iPhone 18 Pro cheaper on contract?

Based on total cost of ownership, the Apple iPhone 17 is cheaper on contract at £791.96 over the life of the deal from £29.99 per month with £39.00 upfront.

Which has the better screen, the Apple iPhone 17 or Apple iPhone 18 Pro?

Both phones have a similar screen size at around 6.3", both screens are similarly sharp at around 458 pixels per inch, and the Apple iPhone 17 uses a LTPO Super Retina XDR OLED panel while the Apple iPhone 18 Pro has a Super Retina XDR OLED.

Which has the better camera, the Apple iPhone 17 or Apple iPhone 18 Pro?

The Apple iPhone 17 features a 48 Megapixels rear camera, while the Apple iPhone 18 Pro has a 48 Megapixels rear camera. Both devices also have front-facing cameras for selfies and video calls.

Which is cheaper to buy SIM-free, the Apple iPhone 17 or Apple iPhone 18 Pro?

The Apple iPhone 17 is cheaper SIM-free, starting from £658.75.

What storage options are available for the Apple iPhone 17 and Apple iPhone 18 Pro?

The Apple iPhone 17 is available in 256GB, 512GB, while the Apple iPhone 18 Pro comes in 256GB, 512GB, 1TB, 2TB.

What processors do the Apple iPhone 17 and Apple iPhone 18 Pro use?

The Apple iPhone 17 is powered by the Apple A19, while the Apple iPhone 18 Pro uses the Apple A20 Pro (2 nm).

Which is easier to carry and hold, the Apple iPhone 17 or Apple iPhone 18 Pro?

The Apple iPhone 17 is the more portable of the two: it's 34g lighter at 177 grams, both are similar in overall footprint, and is slimmer at 7.95mm thick.

Which is more water resistant, the Apple iPhone 17 or Apple iPhone 18 Pro?

Both phones share the same water resistance rating of IP68 dust/water resistant (up to 6m for 30 mins).

What operating system do the Apple iPhone 17 and Apple iPhone 18 Pro run?

Both phones run Apple iOS.