Giffgaff SIM only deals

Our best giffgaff SIMs this week

Compare giffgaff SIM only deals

giffgaff is best known for its flexible SIM-only plans, with options ranging from low-cost bundles to unlimited data. Prices can be as little as £6 per month, making it one of the most affordable networks on the market.

You can choose between:

• Monthly rolling plans: No contract, change anytime
• 18-month contracts: Often better value for higher data
• Pay As You Go options: For maximum control over spending

Why choose a giffgaff SIM-only deal?

• Great value: Low monthly prices across a wide range of plans
• Flexible plans: Change or cancel monthly on rolling options
• Strong coverage: Uses O2’s network, covering around 99% of the UK population
• 5G included: Available at no extra cost on all plans
• No credit checks: On standard rolling and PAYG plans
• Community rewards: Earn Payback points for helping others or referring friends

giffgaff’s focus on simplicity and flexibility makes it especially appealing if you want to stay in control of your mobile costs.

Is giffgaff a good network?

giffgaff runs on O2’s network, meaning it offers broad UK coverage and reliable performance in most areas. While speeds may vary depending on location and network traffic, performance is generally in line with O2.

One of giffgaff’s key differences is its community-led support model. Instead of traditional call centres, customers can get help via online forums and support agents, and earn rewards through its Payback scheme.

What to look for in a giffgaff SIM contract

When choosing a giffgaff SIM, the main things to consider are how much data you need and how much you want to spend.

All plans include unlimited UK calls and texts, so your main decision is your data allowance. Plans range from a few gigabytes per month to unlimited data, and you can switch plans easily if your usage changes.

See the Best SIM only deals in the market to compare giffgaff.

giffgaff’s best rolling contract SIMs (30-day / 1-month)

giffgaff is best known for its 30-day rolling SIM-only plans, often called “goodybags”. These are ideal if you want flexibility without committing to a long contract.

You can change, pause or cancel your plan each month, while still getting unlimited UK calls and texts and a range of data options.

giffgaff’s best 12-month SIM deals

giffgaff doesn’t typically focus on 12-month SIMs. Instead, it mainly offers 30-day rolling plans and some longer 18-month options.

If you’re looking for a fixed-term deal, it’s worth comparing what’s currently available, but giffgaff’s main appeal is its contract-free flexibility.

giffgaff’s cheapest SIM-only deals

giffgaff’s cheapest SIM-only deals are suited to light users who mainly need calls, texts and a small amount of data.

With plans starting from around £6 per month, even entry-level options include unlimited UK calls and texts, helping keep costs low and predictable.

Does giffgaff offer SIM plans for bad credit?

Yes. Most giffgaff plans require no credit check, particularly its monthly rolling and Pay As You Go options. This makes it a good option if you want a SIM-only deal without undergoing a credit assessment.

giffgaff SIMs with unlimited data

giffgaff offers unlimited data plans alongside its standard data bundles. These plans are typically more expensive than lower-data options, so they’re best suited to heavy users who regularly stream or download on the go.

Should I get unlimited calls and texts?

All giffgaff plans include an unlimited SIM plan for UK calls and texts as standard. This means you only need to focus on choosing the right data allowance for your needs.

Alternatives to giffgaff

If you’re comparing networks, alternatives like iD Mobile, SMARTY and VOXI also offer low-cost SIM-only deals.

These providers compete on price and flexibility, and may include features such as data rollover or promotional perks depending on the plan.

Can I use my giffgaff SIM abroad?

Yes, you can use your allowance in the EU and selected destinations at no extra cost, subject to a fair usage policy. Data usage abroad is typically capped at around 5GB per month, depending on your plan.

Can I get 5G giffgaff SIMs?

Yes, all Giffgaff SIMs are 5G-ready. You’ll just need a 5G-compatible phone and to be in an area with 5G coverage to access it.

Can I keep my mobile number if I switch to an giffgaff SIM only deal?

Yes, you can keep your number by requesting a PAC (porting authorisation code) from your current provider and giving it to giffgaff.

Do I need an unlocked phone to use an giffgaff SIM?

Yes, your phone needs to be unlocked to use a giffgaff SIM. Most phones sold in recent years are already unlocked, but it’s worth checking with your provider if you’re unsure.