ASDA Mobile SIM only offers: 3GB for £5, 10GB for £8
The retailers featured on this page may compensate us when our readers follow links to their websites and make a purchase. More
We compare the whole SIM only range on ASDA to find the ones that come out best in price comparisons with other networks. Last updated: 17th July 2025.
ASDA's best SIM only deals
Our highest-rated SIM only deal on ASDA Mobile this month
just
£5
a month
✔ Unlimited mins and 3GB data See full deal
at mobile.asda.com
(opens in new window)
We'd say the best SIM only plan ASDA Mobile are selling this July is their discounted 1‑month 3GB deal below, which comes in at £5 a month and includes unlimited minutes and texts too:
It's a good enough deal to get into ASDA's best SIMs but you can actually get a lower price for a similar plan elsewhere, even if you definitely want it to use the Vodafone network. See which networks that are cheaper here:
ASDA's £8 for 10GB is our next best choice now
just
£8
a month
✔ Unlimited mins and 10GB data See full deal
at mobile.asda.com
(opens in new window)
If you want more data, the next best SIM only plan on ASDA Mobile in our opinion is their discounted 1‑month one below. For £8 a month, you get 10GB data, plus unlimited minutes and texts:
In comparison to the rest of ASDA's current SIM only plans, it's one of the best. But it is beatable on price, even if you're set on joining a provider that uses the Vodafone network. Here's where else you can get a lower price:
Their £10 SIM with 15GB is our next favourite this July
just
£10
a month
✔ Unlimited mins and 15GB data See full deal
at mobile.asda.com
(opens in new window)
For even more data, another good deal on ASDA Mobile at the moment is their discounted £10 SIM only plan here, which includes 15GB data instead, plus unlimited minutes and texts:
It does enough to get into our pick of ASDA's best SIMs but that doesn't mean it's unbeatable on price. Other providers (even ones that use the Vodafone network) can beat it. See who's offering it for less here:
Compare all SIM only plans
Compare deals from all networks
How ASDA Mobile's deals compare with other networks
Networks
Providers:
Plan
Data: (0MB+)
Minutes: (0+)
Thanks, we'll send that out now. Please check your inbox for our email.More about ASDA's SIM only plans
How ASDA compare for SIM only prices and benefits
In our review of ASDA Mobile, we said we liked the fact that ASDA share the same coverage and 4G speeds as their hosts Vodafone (5G is capped on their unlimited plans) as well as having WiFi calling and 4G calling.
They sell all of their SIM only plans as monthly bundles of mins, texts and data. This can be set to auto-renew every month. That lets you switch plans each month without being stuck on a contract.
In terms of price, they’re generally one of the cheapest providers, as well as having some of the most competitive small data plans of all providers on the Vodafone network.
ASDA still include inclusive roaming in these 36 EU destinations. Their low-cost data add-ons and extra parental controls also make them great for putting your kids onto a new plan.
Useful link: Read our full ASDA Mobile review
Good things to know about ASDA’S SIM only plans
Your ASDA SIM will arrive between 2-3 working days after ordering. Your SIM package will contain every size of SIM to fit into any phone. ASDA don’t offer eSIMs (here are all the networks that do).
It’s your right as a customer to get a refund for anything you buy online. So if you’re not satisfied with your ASDA SIM you can return it within 14 days to get a full refund. Here’s how you can do it.
Since you’re paying for everything up front with ASDA, you won’t have to pass a credit check for your SIM. All you have to do is set up an account with your details so they know who you are.
To switch from your old network to ASDA while keeping your number, you’ll need to request a PAC from your old provider and give it to ASDA whenever. For more details follow their instructions here.
Useful link: Compare all ASDA Mobile SIMs