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ASDA Mobile SIM only offers: 3GB for £5, 10GB for £8

ASDA Mobile logo with a SIM cardVisit mobile.asda.com

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

ASDA Mobile SIM only deal
SIM only
just
£5
a month
🛈 ASDA reserve the right to increase the cost of this plan annually with one month's notice

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

ASDA Mobile SIM only deal
SIM only
just
£8
a month
🛈 ASDA reserve the right to increase the cost of this plan annually with one month's notice

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

ASDA Mobile SIM only deal
SIM only
just
£10
a month
🛈 ASDA reserve the right to increase the cost of this plan annually with one month's notice

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

SIM card with magnifying glass

Networks

Providers:

1p Mobile logo
Three logo
ASDA logo
Coop Mobile logo
EE logo
giffgaff logo
Honest logo
ID logo
Lebara logo
Lycamobile logo
O2 logo
SMARTY logo
Sky logo
spusu logo
Talkhome logo
Talkmobile logo
Tesco logo
Vodafone logo
VOXI logo

Plan

Data: (0MB+)

Minutes: (0+)

Contract

Maximum length: (Any)

Added features

More about ASDA's SIM only plans

How ASDA compare for SIM only prices and benefits

A finger pointing to rating stars next to ASDA Mobile logo

We cover everything in our ASDA reviewRead our full review

at simsherpa.com
(opens in new window)

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

Screenshot of ASDA's coverage checker

Check signal where you use your phoneCheck your signal

at mobile.asda.com
(opens in new window)

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

More ASDA Mobile guides