Best Mobile Networks & SIM Only Deals: With Vodafone & Three Coverage

Vodafone and Three have started combining their UK networks, allowing their customers to use each other’s network at no extra cost.

In the UK, Vodafone and Three have started to combine their mobile networks, allowing customers to access even better coverage and faster speeds at no extra cost. This makes it a really good time to be a customer on one of their networks, as you’ll now get a wider choice of deals with access to the combined coverage of both Vodafone and Three’s UK networks.

In this article, we’ll compare the best mobile networks and deals with coverage from Vodafone and Three. This includes the latest offers from Talkmobile, SMARTY, and VOXI, all of which use coverage from the Vodafone and Three networks.

Best Mobile Networks: At A Glance

The ‘best mobile network’ really depends on what you’re looking for: is it the lowest possible price, or are there certain features you’re after (e.g. unlimited data, international roaming, or customer rewards)?

The following table shows our ‘at-a-glance’ overview of the best mobile networks with coverage from Vodafone and Three:

Category	Winning Network	Why?
Best for Value	Talkmobile	You get lots of data for a low monthly price, such as 30GB data for £6.95, 50GB data for £7.95, and 100GB data for £8.95. It’s a one-month rolling contract.
Best for Unlimited Data	Talkmobile Three	On Talkmobile, you can get unlimited data for £16 (on a 1 month contract), so you’ll never need to worry again about running out of data mid-month. Alternatively, if you’re a heavy gamer or streamer, there’s unlimited data from £18 per month on Three.
Best for Students	VOXI	You get Unlimited Social Media on all VOXI plans, as well as exclusive ‘VOXI Drop’ rewards. There’s no contract and no credit check needed to sign up.
Best for International Travel	Vodafone	Vodafone’s ‘Xtra Euro Roam’ plans come with inclusive roaming in 51 European destinations, and ‘Xtra Global Roam’ plans come with inclusive roaming in 83 worldwide destinations.
Best for Families	Vodafone	You can have all of your family’s connectivity on one bill (including broadband and mobile). There are also ‘Vodafone Together’ savings.
Best for Rewards	Vodafone Three	You can access exclusive customer offers through the VeryMe Rewards or Three+ app. This includes weekly offers, treats, and chances to win tickets for big events.
Best for Flexibility	SMARTY	You can change your plan each month on SMARTY, with a simple tap of a button in their dashboard.
Best for High Street	Vodafone Three	You’ll get access to around 400 high-street stores as a Vodafone customer, or about 300 high-street stores as a Three customer.

Keep on reading to find out more about each of these categories below.

Which Mobile Network?

Best for Value: Talkmobile

If you’re looking for a SIM-only deal that gives you lots of data for a low monthly price, our current recommendation would be to get a SIM-only plan from Talkmobile.

On Talkmobile, there are some super-competitive SIM-only deals such as 30GB data for £6.95, 50GB data for £7.95, and 100GB data for £8.95. As well as the super-low price, you get lots of flexibility as it’s a one-month rolling plan.

Network	Data	Monthly Cost
Vodafone coverage Unlimited mins Unlimited texts	30GB data	£6.95 per month 1 month contract	See deal
Vodafone coverage Unlimited mins Unlimited texts	50GB data	£7.95 per month 1 month contract	See deal
Vodafone coverage Unlimited mins Unlimited texts	100GB data	£8.95 per month 1 month contract	See deal

All of Talkmobile’s SIM-only deals are 5G-ready, with access to coverage from both Vodafone & Three. You’ll also get inclusive EU roaming (up to 5GB per month).

Another great value option to consider is getting a SIM-only deal from SMARTY. With SMARTY, you get really straightforward, simple, and easy-to-understand plans. They’re also very good value. For instance, there’s currently 24GB data for £7, 40GB data for £8, and 80GB data for £10 on SMARTY. Once again, these are one-month rolling plans. They’re also 5G ready (with access to coverage from both Three & Vodafone).

Summary:

Best Value Networks	Latest SIM Only Deals
Talkmobile	30GB data for £6.95 (1 month) 50GB data for £7.95 (1 month) 100GB data for £8.95 (1 month)
SMARTY	24GB data for £7 (1 month) 40GB data for £8 (1 month) 80GB data for £10 (1 month)

Best for Unlimited Data: Talkmobile & Three

If you want the reassurance that you’ll never run out of data in the middle of the month, our current recommendation is to get Talkmobile’s £16 unlimited data plan.

With it, you never need to think about ‘megabytes’ and ‘gigabytes’ ever again: just use as much data as you like with no worries.

Network	Data	Monthly Cost
Vodafone coverage Unlimited mins Unlimited texts	Unlimited data	£16.00 per month 1 month contract	See deal

This is a one-month rolling contract, and it’s 5G-ready (with access to coverage from Vodafone and Three).

For heavy gamers and heavy streamers, you can also consider Three’s unlimited data plans, which currently start from £18 per month. They’ll offer fantastic performance on a 12-month contract with access to 5G speeds and additional customer benefits like Three+ customer rewards.

Network	Data	Monthly Cost
Unlimited mins Unlimited texts	Unlimited data	£18.00 per month 12 month contract Monthly cost rising to £20.30 on 1 Apr 2026	See deal

Summary:

Best Networks for Unlimited Data	Monthly Price From	Key Features
Talkmobile	£16 per month	Never run out of data in the middle of the month. A 30-day rolling contract, with no annual price rises.
Three	£18 per month	Best for heavy streamers and gamers. Exclusive customer benefits such as Three+ rewards.

Best for Students: VOXI

For students and other young people, VOXI is our top pick network.

Rather uniquely, you get ‘Unlimited Social Media’ included on all of VOXI’s SIM-only plans, allowing you to chat, message, and stay in touch with your friends without needing to use any of the data from your plan. There’s also no contract, no credit check, and access to exclusive VOXI Drop rewards such as freebies and offers .

At the moment, you can get 80GB data for £10 on VOXI, with Unlimited Social Media:

Network	Data	Monthly Cost
Vodafone coverage Unlimited mins Unlimited texts	80GB data Unlimited Social Media	£10.00 per month 1 month rolling	See deal

There are also plans available with ‘Unlimited Music’ and ‘Unlimited Video’, allowing you to stream your favourite songs and shows without using any of the data from your plan:

Network	Data	Monthly Cost
Vodafone coverage Unlimited mins Unlimited texts	100GB data Unlimited Social Media Unlimited Music	£12.00 per month 1 month rolling	See deal
Vodafone coverage Unlimited mins Unlimited texts	140GB data Unlimited Social Media Unlimited Music Unlimited Video	£15.00 per month 1 month rolling	See deal
Vodafone coverage Unlimited mins Unlimited texts	Unlimited data Unlimited Social Media Unlimited Music Unlimited Video	£20.00 per month 1 month rolling	See deal

Summary:

Best Network for Students	Key Student Features
VOXI	Unlimited Social Media, so you can chat & message without using your data. Access to exclusive VOXI Drop rewards. Monthly rolling plans with no contract & no credit check.

Best for International Travel: Vodafone & SMARTY

For regular trips abroad, our top pick is Vodafone’s ‘Xtra Roam’ SIM-only plans:

• On Vodafone’s Xtra Euro Roam plans, you get inclusive roaming in 51 European destinations. This means you can use your mobile phone at no extra cost in destinations like France, Spain, Greece and Portugal (up to 25GB per month). At present, you can get an Xtra Euro Roam plan with unlimited data from £25 per month:

  Network	Data	Monthly Cost
  Unlimited mins Unlimited texts	Unlimited data 100Mbps max speed 25GB data in 51 EU destinations	£25.00 per month 24 month contract Monthly cost rising to £27.50 on 1 Apr 2026 £30.00 on 1 Apr 2027	See deal

• On Vodafone’s Xtra Global Roam plans, you get inclusive roaming in 83 worldwide destinations. As well as Europe, you’ll be able to use your mobile phone at no extra cost in even more destinations such as Australia, Turkey, Mexico, the USA and more (up to 25GB per month). You can get an Xtra Global Roam plan with unlimited data from £31 per month:

  Network	Data	Monthly Cost
  Unlimited mins Unlimited texts	Unlimited data 100Mbps max speed 25GB data in 83 global destinations	£31.00 per month 24 month contract Monthly cost rising to £33.50 on 1 Apr 2026 £36.00 on 1 Apr 2027	See deal

Alternatively, if it’s it just for the occasional trip abroad in Europe, you can also consider getting a plan from SMARTY as they’ll allow you to use your mobile phone abroad at no extra cost in 44 EU destinations (up to 12GB per month). For instance, there’s currently 24GB data from £7 on SMARTY (with 12GB of inclusive EU roaming):

Network	Data	Monthly Cost
Three coverage Unlimited mins Unlimited texts Offer ends 23rd Feb	24GB data 12GB data in EU	£7.00 per month 1 month rolling	See deal

Summary:

Best Network for Roaming	Destinations	Fair Use Limit
Vodafone Xtra Euro Roam	51 European destinations	25GB per month
Vodafone Xtra Global Roam	83 worldwide destinations	25GB per month
SMARTY	44 EU destinations	12GB per month

Best for Families: Vodafone

If you’re looking for a one-stop shop where you can get all of your family’s connectivity in one place, sign up to Vodafone Together.

With Vodafone Together, you’ll get one bill for your home broadband and all of your family’s SIM cards. You also get a £2 per month discount on Vodafone’s home broadband (or a £4 per month discount when you choose Vodafone Pro Broadband). There are also savings available on additional Pay Monthly mobile plans for your family.

As well as having everything together in one place for ease of management, you’ll also get exclusive family rewards through Vodafone’s VeryMe Rewards programme.

Summary:

Best Network for Families	Family Account Benefits
Vodafone	One bill & one place to manage all of your family’s connectivity. Save at least £2pm on home broadband & save on additional PAYM mobile plans. Access to exclusive ‘Vodafone Together’ family rewards.

Best for Rewards: Vodafone

For access to exclusive offers, discounts, and savings each week, you can enrol in Vodafone’s VeryMe Rewards when you get a SIM-only plan from them.

With VeryMe Rewards, you can claim weekly offers and treats from brands including Caffè Nero, Odeon and Sainsbury’s. There are also savings available at independent coffee shops and restaurants across the UK, plus the chance to win tickets for events such as Glastonbury Festival, Boardmasters, and Wimbledon.

Another option if you’re looking for customer rewards is the Three+ app, which is available to customers on Three. On Three+, you can get a £1 coffee each week, as well as savings at Just Eat and more.

Summary:

Best Network for Rewards	Rewards Programme
Vodafone	VeryMe Rewards
Three	Three+ Rewards

Best for Flexibility: SMARTY

If you’re looking for a flexible SIM-only deal where you can change your data plan every month, SMARTY has flexible SIM-only plans that are available with no contract and no credit check.

Importantly, you can change your plan at any time within SMARTY’s SIM-only range, at a touch of a button in their dashboard or app. This makes it really easy to change your plan to get more or less data.

Network	Data	Monthly Cost
Three coverage Unlimited mins Unlimited texts Offer ends 14th Jan	12GB data	£6.00 per month 1 month rolling	See deal
Three coverage Unlimited mins Unlimited texts Offer ends 23rd Feb	24GB data	£7.00 per month 1 month rolling	See deal
Three coverage Unlimited mins Unlimited texts Offer ends 14th Jan	70GB data	£9.00 per month 1 month rolling	See deal
Three coverage Unlimited mins Unlimited texts Offer ends 14th Jan	160GB data	£12.00 per month 1 month rolling	See deal
Three coverage Unlimited mins Unlimited texts Offer ends 23rd Feb	Unlimited data	£18.00 per month 1 month rolling	See deal

Summary:

Best Network for Flexibility	Key Offers
SMARTY	24GB data for £7 (1 month) 40GB data for £8 (1 month) 80GB data for £10 (1 month)

Best for High Street: Vodafone & Three

If you’re looking for high-street presence, it’s best to choose a SIM-only plan direct from either Vodafone or Three.

Vodafone has the most stores across the UK, with 400 stores stretching from Penzance to Inverness. That’s rather handy if you ever need to pop in with a question, or if you want to try out a new phone before you buy from them. They also offer same-day phone repairs through their ‘Fix&Go’ service.

Three is another good option if you’re looking for a wide high-street presence, with around 300 stores located across the UK.

Summary:

Best Network for High Street	Number of Stores
Vodafone	Approx 400 stores
Three	Approx 300 stores