Apple iPhone 15 on a contract: compare all networks at once

Unlimited data

We've searched through all the networks that offer unlimited data with their iPhone 15 contracts this September. Below, we pick through the best-value option from each provider:

iD Mobile's £24.99 a month deal below is our strongest pick, with £49 to pay up front:

Unlimited minutes + Unlimited texts +  Unlimited data (5G) =  £24.99 a month, £49 up front (24‑month contract)
See full deal

🛈 Increased to: £26.49 on April 1 2028.
Increased to: £27.99 on April 1 2029

Or giffgaff have got a good £30.08 a month alternative for unlimited data here in second place:

Unlimited minutes + Unlimited texts +  Always On data (5G) =  £30.08 a month, £50 up front (36‑month contract)
See full deal

🛈 giffgaff reserve the right to increase the cost of this phone's airtime plan annually with one month's notice

Next is this from Vodafone:

Unlimited minutes + Unlimited texts +  Unlimited data (5G) =  £25 a month, £169 up front (24‑month contract)
See full deal

🛈 Increased to: £26.80 on April 1 2027.
Increased to: £28.60 on April 1 2028

Three's unlimited data iPhone 15 plan is next:

Unlimited minutes + Unlimited texts +  Unlimited data (5G) =  £44.94 a month, £130 up front (36‑month contract)
See full deal

🛈 Increased to: £46.44 on April 1 2028.
Increased to: £47.94 on April 1 2029

And in last place is O2 with their contract below that'll cost you £54.50 a month for unlimited data:

Unlimited minutes + Unlimited texts +  Unlimited data (5G) =  £54.50 a month, £20 up front (36‑month contract)
See full deal

🛈 Monthly airtime plan price will increase each April by the Retail Price Index rate of inflation published in February + 3.9%

And that's all the networks we found offering unlimited data with the Apple iPhone 15. Use our comparison tool further up the page to see more combos of upfront cost, contract length and data speed.

Useful link: Compare all unlimited data deals above

giffgaff's iPhone 15 contracts currently start at £21.92 a month

Our latest search of their deals finds that giffgaff currently have the Apple iPhone 15 in Black and Blue. And there's only a choice of one memory variant: 128GB.

You've got two contract length choices of 36 or 24 months for the iPhone 15 on giffgaff but you can only get it from them directly, they don't offer contracts via Carphone Warehouse or similar re-sellers.

giffgaff's best Apple iPhone 15 deals

✔ Best overall deal

Here's the giffgaff iPhone 15 deal that stacks up best against other providers:

Unlimited minutes + Unlimited texts +  80GB data (5G) =  £26.08 a month, £50 up front (36‑month contract)
See full deal

🛈 giffgaff reserve the right to increase the cost of this phone's airtime plan annually with one month's notice

✔ Unlimited data

giffgaff sell the Apple iPhone 15 on an unlimited data plan too. This is their best current unlimited deal:

Unlimited minutes + Unlimited texts +  Always On data (5G) =  £30.08 a month, £50 up front (36‑month contract)
See full deal

🛈 giffgaff reserve the right to increase the cost of this phone's airtime plan annually with one month's notice

The monthly costs on giffgaff range between £21.92 - £45.38 according to the amount of minutes, texts and data you want. You're looking at paying £20 - £200 upfront too.

Useful link: Compare all giffgaff's iPhone 15 deals

iD Mobile have 468 deals for the iPhone 15

Looking at iD Mobile's current pay monthly contracts for September, they have the Apple iPhone 15 in Black and Blue. And they stock the 128GB and 256GB versions of it.

iD Mobile only offer the iPhone 15 on 24‑month contracts but there are contracts for it via the re-sellers Carphone Warehouse and Mobiles.co.uk, or you can join directly.

iD Mobile's best Apple iPhone 15 deals

✔ Best overall deal

This is the most competitive iD Mobile plan for the iPhone 15, compared against other networks:

Unlimited minutes + Unlimited texts +  Unlimited data (5G) =  £24.99 a month, £49 up front (24‑month contract)
See full deal

🛈 Increased to: £26.49 on April 1 2028.
Increased to: £27.99 on April 1 2029

✔ Unlimited data

If you want unlimited data with your Apple iPhone 15, our top-pick on iD Mobile is the same as our overall best deal above.

Price-wise, iD Mobile have contracts priced ranging between £24.99 - £41.99 a month (with £0 - £299 upfront), depending on the minutes, texts and data you want.

Useful link: Compare all iD Mobile's iPhone 15 deals

O2's iPhone 15 deals start from £41.50 a month

From our most recent check, the Apple iPhone 15 is currently available in Black and Blue on O2. They only have it in one choice of memory: 128GB.

The iPhone 15 comes on three lengths of contract with O2 (36, 24 or 12 months) but it's only possible to get it directly with them - none of the re-sellers like Carphone Warehouse offer O2 deals for it.

O2's best Apple iPhone 15 deals

✔ Best overall deal

Here's the O2 deal we think is the best value at the moment for the iPhone 15:

Unlimited minutes + Unlimited texts +  Unlimited data (5G) =  £63.25 a month, £20 up front (24‑month contract)
See full deal

🛈 Monthly airtime plan price will increase each April by the Retail Price Index rate of inflation published in February + 3.9%

✔ Unlimited data

The best Apple iPhone 15 plan with unlimited data from O2 is the same as the one we've chosen as their best overall deal above.

Their contracts are priced between £41.50 - £98.49 a month, depending on amount of minutes, texts and data in the plan. And you'll pay £20 up front too.

Useful link: Compare all O2's iPhone 15 deals

Three offer 1600x iPhone 15 deals starting from £20.67

On Three, our latest search of all their deals found that the Apple iPhone 15 is available in Black, Blue, Green, Yellow and Pink at the moment. Memory-wise, they've only got the 128GB version.

Three sell the Apple iPhone 15 on one contract length: 36 months and the only way to get it on their network is by joining direct, there's no option to join via any re-sellers.

Three's best Apple iPhone 15 deals

✔ Best overall deal

The deal below is Three's current most competitive plan for the iPhone 15:

Unlimited minutes + Unlimited texts +  150GB data (5G) =  £25.94 a month, £130 up front (36‑month contract)
See full deal

🛈 Increased to: £27.44 on April 1 2028.
Increased to: £28.94 on April 1 2029

✔ Unlimited data

For unlimited data with your Apple iPhone 15 plan on Three, this is the deal we think is the best value this September:

Unlimited minutes + Unlimited texts +  Unlimited data (5G) =  £44.94 a month, £130 up front (36‑month contract)
See full deal

🛈 Increased to: £46.44 on April 1 2028.
Increased to: £47.94 on April 1 2029

On a pay monthly deal, you're looking at prices between £20.67 - £59.47 per month on Three, depending on the minutes, texts and data you want. And that's with £65 - £370 upfront costs.

Useful link: Compare all Three's iPhone 15 deals

Vodafone's iPhone 15 deals start at £14 a month

Looking at their latest deals in September, if you want the Apple iPhone 15 from Vodafone, they've currently got it in Black and Blue. And they've got it in the 128GB and 256GB memory versions.

There's two choices of contract length for the iPhone 15 on Vodafone: 24 or 36 months and you have a choice of getting it on a contract directly from them or via the re-sellers Carphone Warehouse and Mobiles.co.uk.

Vodafone's best Apple iPhone 15 deals

✔ Best overall deal

This is Vodafone's current most-competitive plan for the iPhone 15, from our most recent comparison:

Unlimited minutes + Unlimited texts +  Unlimited data (5G) =  £30 a month, £79 up front (24‑month contract)
See full deal

🛈 Increased to: £31.80 on April 1 2027.
Increased to: £33.60 on April 1 2028

✔ Unlimited data

Our favourite unlimited data deal for the Apple iPhone 15 on Vodafone is the one above in the best overall deal section.

Depending on the amount of minutes, texts and data you want in your deal, monthly costs on Vodafone range between £14 - £78 (with £9 - £459 upfront costs).

Useful link: Compare all Vodafone's iPhone 15 deals

VOXI: get the iPhone 15 from £28 a month

Our latest search of their deals finds that VOXI currently have the Apple iPhone 15 in Black only. And there's only a choice of one memory variant: 128GB.

You've only got one contract length choice of 36 months for the iPhone 15 on VOXI and you can only get it from them directly, they don't offer contracts via Carphone Warehouse or similar re-sellers.

VOXI's best Apple iPhone 15 deals

✔ Best overall deal

We think this is currently VOXI's most competitive plan for the iPhone 15:

Unlimited minutes + Unlimited texts +  60GB data (5G) =  £28 a month, £0 up front (36‑month contract)
See full deal

🛈 VOXI reserve the right to increase the cost of this airtime plan annually with one month's notice

✖ Unlimited data

VOXI don't offer the Apple iPhone 15 on an unlimited data plan.

The monthly costs on VOXI range between £28 according to the amount of minutes, texts and data you want. But none of the deals have any upfront costs.

Useful link: Compare all VOXI's iPhone 15 deals