Smarty discount codes

Purchase your SIM card with a discount code during March 2026

  • smarty.co.uk
£40.00 gift card

Pick up to £40 gift card when you refer a friend at Smarty

Info
  1. Both you and your friend receive a reward after your friend renews for month three.
  2. Reward value depends on your friend’s plan price at renewal: £10 (under £9.99), £20 (£10–£14.99), £40 (£15+).
  3. Choose PayPal, Amazon.co.uk, John Lewis & Partners (including Waitrose) or Uber (including Uber Eats).
  4. You can refer unlimited friends; friends should not join a Group within the first two months to remain eligible.
  5. Reward email sent within 30 days of eligibility; claim within 90 days. Terms apply.
Verified by Franke
Get this discount
£40.00 gift card

Smarty offer: refer a friend and grab up to £40 gift card

Info
  1. Friend must order and activate a SIM between 12 August 2025 and 12 March 2026.
  2. Both accounts must stay active until the friend’s third monthly renewal.
  3. Reward depends on the friend’s plan: £10 for plans under £10, £20 for £10 to £14.99, £40 for £15+.
  4. Choose PayPal or gift card and claim within 90 days of the email.
  5. PayPal cash must be claimed within 30 days of the PayPal email.
  6. No limit to referrals; the friend must not join a Group plan in the first two months.
  7. Minimum age 18 and new customers only.
Verified by Franke
Get this discount

Recently expired Smarty discount codes, sometimes they still work!

£8.00 deal
Verified

Grab 50GB SIM for £8/month at SMARTY

Discount code
Info
  1. SIM only, 30-day plan.
  2. New SMARTY customers aged 16 or over.
  3. Start your order via an eligible affiliate link before the promotion ends.
  4. Complete your purchase of the Promotion Plan on SMARTY’s website by 23:59 on 2 February 2026.
  5. Activate your SIM within 14 days of purchase.
  6. Stay on the same plan and keep auto-renew on (or manually renew within 12 hours of your billing cycle end) to remain eligible.
  7. If your SIM pack or messages show a different price or data allowance, you will still receive the Promotion Plan you selected when you follow the steps above and keep renewing that plan.
  8. Not valid with other promotions or discounts.
  9. General SMARTY terms and conditions apply.
Verified by Franke
Get code
£6.00 deal
Verified

Pick up a 15GB SIM for £6 a month at Smarty

Discount code
Info
  1. New Smarty customers aged 16 or over only.
  2. Purchase the Promotion Plan online via an approved Smarty affiliate link before 23:59 on 2 February 2026.
  3. Activate your SIM within 14 days.
  4. Stay on the same plan and set auto‑renew (or manually renew within 12 hours of your prepaid billing cycle end) to remain eligible.
  5. If your SIM pack or any communication shows a different price or data allowance, you will still receive the Promotion Plan you selected, provided you followed the steps above and continue to renew on that plan.
  6. Not valid with other promotions or discounts.
  7. General Smarty terms and conditions apply.
Verified by Franke
Get code
£8.00 discount
Verified

Grab unlimited data for £8 discount with the Social Tariff at Smarty

Info
  1. Price is £12 per month for eligible customers, compared to the standard £20 Unlimited plan.
  2. Eligibility requires certain income-based benefits verified via DWP.
  3. One account per customer and not compatible with SMARTY Groups.
  4. You can cancel or change anytime; no annual price rises.
Verified by Franke
Get this discount
£30.00 discount
Verified

Save on refurbished phones with up to £30 discount for SMARTY customers

Info
  1. You must access Reboxed via the SMARTY dashboard ‘Need a phone?’ link.
  2. £10 off orders up to £399, £20 off £400–£649, £30 off £650+.
  3. Discount is applied automatically at Reboxed checkout.
Verified by Franke
Get this discount
10% discount
Verified

Smarty Group plans: take 10% discount on every SIM you add

Info
  1. Create a Group with 2 to 8 SIMs.
  2. 10% off applies to each plan in the Group each month.
  3. Not available with Social Tariff, Everyone Unlimited or certain promotional offers.
Verified by Franke
Get this discount
£40.00 gift card
Verified

Invite a friend and both grab £40 gift card at Smarty

Info
  1. Your friend must join via your referral link or referral SIM.
  2. Both accounts stay active and your friend renews for month three to qualify.
  3. Reward value depends on friend’s monthly plan price at first renewal (up to £40 each for plans £15 or more).
  4. Choose Amazon.co.uk, John Lewis & Partners, Uber or PayPal; select within 90 days of the email.
  5. PayPal cash rewards must be claimed within 30 days of the PayPal email.
  6. Referral cannot be combined with certain other offers and has additional programme rules.
Verified by Franke
Get this discount
£30.00 discount
Verified

Take advantage of up to £30 discount on refurbished phones via Reboxed with Smarty

Info
  1. Start from your SMARTY dashboard to auto‑apply the discount at checkout.
  2. £10 off orders up to £399; £20 off £400–£649; £30 off £650+.
  3. No code needed; discount applies automatically at Reboxed checkout.
Verified by Franke
Get this discount
£1.00 cashback
Verified

Receive £1 back/GB on unused data with data discount plans at Smarty

Info
  1. Available on 1GB, 2GB and 3GB data discount plans.
  2. £5 monthly service charge applies; unused data credited at £1 per GB on your next bill.
  3. Unused data is calculated in MBs for accurate credit.
  4. Not available on other plan types.
Verified by Franke
Get this discount

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.

Go to smarty.co.uk

or check everything in General

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

You can now text shortcodes

Smarty now supports SMS shortcodes, useful for one‑time passcodes, parking, charity donations and TV votes. Free shortcodes work straight away; chargeable ones require out‑of‑plan credit and are covered by spend limits. If a message fails, try the shortcode checker and confirm any content‑filter settings. This update makes everyday services simpler when you’re out and about. If you’re reviewing plans, take a moment to look at current promotions. ([community.smarty.co.uk](https://community.smarty.co.uk/discussions/general/announcement-big-news-you-can-now-text-shortcodes-/44040?utm_source=openai))

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.