Smarty discount codes

Purchase your SIM card with a discount code during January 2026

  • smarty.co.uk
Free gift deal

Order a FREE SIM to start your plan at Smarty

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  1. Activate a paid plan to use the SIM.
  2. Delivery typically 2 to 5 days.
  3. No credit check required.
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10% discount

Score 10% discount on every SIM in a Group plan at Smarty

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  1. Minimum 2 and maximum 8 plans in one Group.
  2. 10% off applies to each plan you bring into the Group every month.
  3. Not combinable with Social Tariff, Everyone Unlimited or certain promotional offers.
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£5.00 discount

Smarty offer: add extra Unlimited SIMs with £5 discount each in Everyone Unlimited

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  1. First Unlimited plan £20 per month; each additional Unlimited plan £15 per month.
  2. Maximum 8 plans per Group.
  3. Not combinable with Social Tariff.
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10% discount

Score 10% discount on every SIM with Group plans at Smarty

Info
  1. Create a Group with at least 2 SIMs (up to 8 including the owner).
  2. 10% applies to each SIM in the Group.
  3. If a member has an existing promotional offer, the 10% starts after that offer ends.
  4. Not valid in conjunction with certain ongoing promos.
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Recently expired Smarty discount codes, sometimes they still work!

£30.00 discount
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Shop refurbished phones with up to £30 discount as a Smarty customer

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  1. Offer available to SMARTY customers on partner site reboxed.
  2. Discount and purchase subject to partner terms; 12‑month warranty and free delivery included.
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10% discount
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Take advantage of 10% discount per member with Mix & Match group plans at Smarty

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  1. Create a Group with 2 to 8 SIMs to unlock 10% off plans added to the Group.
  2. Discount stacks with direct offers from the website; not valid with affiliate offers.
  3. On 1GB, 2GB, 3GB data discount plans, the 10% applies after any monthly data discount.
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£40.00 gift card
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Smarty refer‑a‑friend: pick a pal and get up to £40 gift card each

Info
  1. Friend must join via your referral link or referral SIM and reach their third month renewal.
  2. Reward value depends on friend’s monthly plan price at the qualifying date.
  3. Choose PayPal cash or a gift card for Amazon.co.uk, John Lewis & Partners or Uber.
  4. You can refer unlimited friends; both accounts must stay active through qualification.
  5. Friend should not join a Group plan within the first two months.
  6. 18+ only.
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10% discount
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Grab 10% discount with Group plans at Smarty

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  1. Create a Group with 2 to 8 SIMs to activate the discount.
  2. The 10% discount applies to each plan in a Mix & Match Group.
  3. Group discount cannot be used with other promotions or offers.
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£30.00 discount
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Score refurbished phones with up to £30 discount at Smarty

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  1. Offer provided by reboxed; redemption takes place on the partner’s site.
  2. Available to SMARTY customers; terms set by reboxed apply.
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£40.00 gift card
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Refer a friend to pocket a £40 gift card each when they join Smarty

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  1. Share your unique referral link from your SMARTY account.
  2. Friend must join and renew for the third month to qualify.
  3. Reward level depends on friend’s monthly plan price.
  4. Choose PayPal, Amazon.co.uk, John Lewis & Partners or Uber gift card.
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Past discounts at Smarty

You can find a Smarty discount throughout the year, as they consistently provide offers rather than focusing on specific seasonal sales. A popular way to save is through their refer-a-friend program, which often provides a gift card for both you and your friend. Another regular promotion is the group plan discount, which helps reduce costs for multiple SIMs. While you might not always find a traditional discount code, these ongoing deals ensure there are always ways to lower your mobile bill. Looking at past offers, the average discount has been around £26, with the maximum savings reaching a £40 gift card. Keep an eye on their website for the latest opportunities to get a discount on your Smarty plan, as a new discount code could appear at any time.

More ways to save at Smarty

Get a free SIM card

You can start with Smarty without any upfront cost by ordering a FREE SIM online. Once it arrives, simply activate it and select the one-month plan that suits you best. This is a straightforward way to join and test the service without needing a specific discount code to begin.

Use free WiFi on the go

If you have an active plan, you can get a great discount on your data usage with FREE WiFi at over 250 stations on the London Underground. This helps you save your mobile data when travelling, reducing overall costs without applying a discount code. It is a practical benefit.

Earn rewards for referrals

When you refer a friend to Smarty, you can both earn a gift card worth up to £40. You have the flexibility to choose your reward, with options including PayPal cash or gift cards for popular retailers. This is another great way to get a discount on your expenses.

About Smarty

About Smarty

Smarty launched in 2017 with a mission to provide simple and honest mobile plans. As part of Three UK, it operates exclusively in the United Kingdom, running on Three's powerful 3G, 4G, and 5G network. The brand's core offer is flexibility, providing one-month rolling SIM-only plans without contracts or credit checks. You manage everything through your online account at smarty.co.uk, where you can change or cancel your plan at any time. All plans include unlimited UK calls and texts plus EU roaming. This approach gives you great value and total control over your mobile service.

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Get more from your Smarty plan

Choose your reward

When you successfully refer a friend at Smarty, you get a choice in how you receive your reward. You can opt for PayPal cash for maximum flexibility, or select a gift card for retailers like Amazon.co.uk, John Lewis & Partners, or even Uber for your travel needs.

Get credit for unused data

If you are on a smaller data plan with Smarty, you can benefit from the Data Discount plans. These are available for the 1GB, 2GB, and 3GB options. Any data you do not use is automatically credited back to you, calculated precisely in megabytes for your next month's payment.

Find refurbished phones

You can find refurbished phones through a partnership with reboxed. This means you can browse and purchase devices directly on the partner's website. The terms for these offers are set by reboxed, giving you a clear and direct way to access more affordable phone options from a specialist.

Save on your mobile plan with a Smarty discount

Save 10% on every SIM in your group plan, an ideal way for families and friends to reduce their monthly mobile bills together.

Get a £40 gift card for you and a friend when they join using your referral link, choosing between PayPal cash or retail vouchers.

Receive £1 back for every gigabyte of unused data on certain plans, with credit automatically applied to your next bill.

Order your free SIM card online to start without upfront costs, then simply activate it and select a flexible one-month plan.

Enjoy free WiFi at over 250 London Underground stations with an active plan, helping you conserve mobile data while travelling.

Manage your Smarty account with flexible one-month rolling plans that you can change or cancel at any time without any credit checks.

Choose your reward when referring friends, with options including flexible PayPal cash or gift cards for popular UK retailers.

Find quality-checked refurbished phones with discounts up to £30 through the partnership with reboxed, making devices more affordable.

Share the benefits of your mobile service by sending a unique referral link from your dashboard to start earning rewards.

Benefit from unlimited UK calls and texts, which come as standard with every Smarty plan, so you can stay connected.

News

5G access at no extra cost with SMARTY

SMARTY offers 5G access at no extra cost on compatible devices, with an ongoing rollout you can view via the coverage checker. Have a look—and while you’re browsing, take a look at the promotions.

Roaming update: use your plan across the EU

When travelling in the EU, calls and texts work like at home on eligible plans, and you can use up to 12GB from your monthly data under the fair use policy. Check the guidance—and while you’re browsing, take a look at the promotions.