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

Unlimited data

We've taken all the iPhone 15 contracts being offered with unlimited data this October by each network and sifted through to find the best value per provider. Here's what we found:

The most competitive is this deal on iD Mobile at £29.99 a month (£89 up front):

Unlimited minutes + Unlimited texts +  Unlimited data (5G) =  £29.99 a month, £89 up front (24‑month contract)
See full deal

🛈 Increased to: £31.49 on April 1 2028.
Increased to: £32.99 on April 1 2029

Or Vodafone have got a good £35 a month alternative for unlimited data here in second place:

Unlimited minutes + Unlimited texts +  Unlimited data (5G) =  £35 a month, £79 up front (24‑month contract)
See full deal

🛈 Increased to: £36.80 on April 1 2027.
Increased to: £38.60 on April 1 2028

Next is this from giffgaff:

Unlimited minutes + Unlimited texts +  Always On data (5G) =  £44.97 a month, £20 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

Three's unlimited data iPhone 15 plan is next:

Unlimited minutes + Unlimited texts +  Unlimited data (5G) =  £48.28 a month, £70 up front (36‑month contract)
See full deal

🛈 Increased to: £49.78 on April 1 2028.
Increased to: £51.28 on April 1 2029

And in last place is O2 with their contract below that'll cost you £57.53 a month for unlimited data:

Unlimited minutes + Unlimited texts +  Unlimited data (5G) =  £57.53 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 it for networks offering the Apple iPhone 15 with unlimited data. There may be more combos of data speed, contract length and upfront costs though, so use our comparison tool further at the top.

Useful link: Compare all unlimited data deals above

giffgaff's iPhone 15 contracts currently start at £24.97 a month

Looking at giffgaff's current pay monthly contracts for October, they have the Apple iPhone 15 in Black and Blue. And they only stock the 128GB version of it.

The iPhone 15 comes on two lengths of contract with giffgaff (36 or 24 months) but they don't sell contracts for it via any re-sellers like Carphone Warehouse, you can only join directly.

giffgaff's best Apple iPhone 15 deals

✔ Best overall deal

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

Unlimited minutes + Unlimited texts +  80GB data (5G) =  £29.14 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

It's possible to get the Apple iPhone 15 on an unlimited data plan from giffgaff. We think this is the best option currently available:

Unlimited minutes + Unlimited texts +  Always On data (5G) =  £54.96 a month, £20 up front (24‑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

On a pay monthly deal, you're looking at prices between £24.97 - £64.96 per month on giffgaff, depending on the minutes, texts and data you want. And that's with £20 - £200 upfront costs.

Useful link: Compare all giffgaff's iPhone 15 deals

iD Mobile have 140 deals for the iPhone 15

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

iD Mobile sell the Apple iPhone 15 on one contract length: 24 months but it's possible to get it either directly with them, or via the re-sellers Carphone Warehouse and Mobiles.co.uk.

iD Mobile's best Apple iPhone 15 deals

✔ Best overall deal

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

Unlimited minutes + Unlimited texts +  400GB data (5G) =  £29.99 a month, £69 up front (24‑month contract)
See full deal

🛈 Increased to: £31.49 on April 1 2028.
Increased to: £32.99 on April 1 2029

✔ Unlimited data

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

Unlimited minutes + Unlimited texts +  Unlimited data (5G) =  £29.99 a month, £89 up front (24‑month contract)
See full deal

🛈 Increased to: £31.49 on April 1 2028.
Increased to: £32.99 on April 1 2029

Depending on the amount of minutes, texts and data you want in your deal, monthly costs on iD Mobile range between £29.99 - £39.99 (with £19 - £215 upfront costs).

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

O2's iPhone 15 deals start from £44.53 a month

On O2, our latest search of all their deals found that the Apple iPhone 15 is available in Black and Blue at the moment. Memory-wise, they've only got the 128GB version.

There's three choices of contract length for the iPhone 15 on O2: 36, 24 or 12 months but the only way to get it on their network is by joining direct, there's no option to join via any re-sellers.

O2's best Apple iPhone 15 deals

✔ Best overall deal

This is the most competitive O2 plan for the iPhone 15, compared against other networks:

Unlimited minutes + Unlimited texts +  Unlimited data (5G) =  £67.79 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

Our favourite unlimited data deal for the Apple iPhone 15 on O2 is the one above in the best overall deal section.

The monthly costs on O2 range between £44.53 - £107.57 according to the amount of minutes, texts and data you want. You're looking at paying £20 too.

Useful link: Compare all O2's iPhone 15 deals

Three offer 1540x iPhone 15 deals starting from £21.50

Looking at their latest deals in October, if you want the Apple iPhone 15 from Three, they've currently got it in Black, Blue, Green and Yellow. And they've only got it in the 128GB memory version.

You've only got one contract length choice of 36 months for the iPhone 15 on Three and you can't get it on a contract with them via re-sellers like Carphone Warehouse, you have to join directly.

Three's best Apple iPhone 15 deals

✔ Best overall deal

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

Unlimited minutes + Unlimited texts +  150GB data (5G) =  £29.28 a month, £70 up front (36‑month contract)
See full deal

🛈 Increased to: £30.78 on April 1 2028.
Increased to: £32.28 on April 1 2029

✔ Unlimited data

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

Unlimited minutes + Unlimited texts +  Unlimited data (5G) =  £48.28 a month, £70 up front (36‑month contract)
See full deal

🛈 Increased to: £49.78 on April 1 2028.
Increased to: £51.28 on April 1 2029

Price-wise, Three have contracts priced ranging between £21.50 - £63.72 a month (with £70 - £460 upfront), depending on the minutes, texts and data you want.

Useful link: Compare all Three's iPhone 15 deals

Vodafone's iPhone 15 deals start at £21 a month

Our latest search of their deals finds that Vodafone currently have the Apple iPhone 15 in Black and Blue. And there's a choice of two memory variants: 128GB and 256GB.

Vodafone offer the iPhone 15 on 24 or 36‑month contracts and you can choose between joining them directly for your deal or via the re-sellers Mobiles.co.uk and Carphone Warehouse.

Vodafone's best Apple iPhone 15 deals

✔ Best overall deal

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

Unlimited minutes + Unlimited texts +  200GB data (5G) =  £31 a month, £115 up front (24‑month contract)
See full deal

🛈 Increased to: £33.50 on April 1 2027.
Increased to: £36.00 on April 1 2028

✔ Unlimited data

If you want unlimited data with your Apple iPhone 15 on Vodafone, here's the best offer at the moment:

Unlimited minutes + Unlimited texts +  Unlimited data (5G) =  £35 a month, £79 up front (24‑month contract)
See full deal

🛈 Increased to: £36.80 on April 1 2027.
Increased to: £38.60 on April 1 2028

Their contracts are priced between £21 - £81.75 a month, depending on amount of minutes, texts and data in the plan. And you'll pay from £20 - £350 up front too.

Useful link: Compare all Vodafone's iPhone 15 deals

VOXI: get the iPhone 15 from £29.50 a month

Looking at VOXI's current pay monthly contracts for October, they have the Apple iPhone 15 in Black only. And they only stock the 128GB version of it.

The iPhone 15 only comes on one length of contract with VOXI (36 months) and they don't sell contracts for it via any re-sellers like Carphone Warehouse, you can only join directly.

VOXI's best Apple iPhone 15 deals

✔ Best overall deal

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

Unlimited minutes + Unlimited texts +  20GB data (5G) =  £29.50 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

It's not currently possible to get the Apple iPhone 15 on an unlimited data plan from VOXI.

On a pay monthly deal, you're looking at prices £29.50 per month on VOXI, depending on the minutes, texts and data you want. But that's with no upfront costs on any them.

Useful link: Compare all VOXI's iPhone 15 deals