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Free Delivery

Delivered 7 days a week.*

1-Month Free Insurance

Available on mobile phone deals.*

UK Customer Support

Available Monday to Saturday.

Best SMARTY Sim Only Deals

Low cost 1-month sim only deals on SMARTY with lots of data.


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Why SMARTY is the network for you.

Reasons to love SMARTY

Simple, honest mobile.

We are on a mission to make mobile simple and honest. With our flexible plans, we're putting trust back into the industry.

Refer a friend

Friends make it free.

Get a free month on the SMARTY network for every friend you refer. Refer 12 friends and, you guessed it, that's an entire year free for you.

Group plans

Fun for all the family.

Group plans means you can manage up to 8 SMARTY SIMs all in one place. Plus you can save 10% on every SIM in your group.

Powered by Three

You're in safe hands.

SMARTY is powered by Three's strong and reliable network. It covers 97% of the population, with fast speeds for browsing, gaming and downloading.


Recommended by Which.

SMARTY has been recognised as a Which? Recommended Provider for Mobile Network April 2021.

Step by step

Getting started is easy.

Never had a SMARTY SIM before? No sweat. Activating is easy - get started at smarty.co.uk/activate once it arrives.

Find the perfect SIM Only deal for you

All pay monthly offers subject to security and credit check. Charges will apply for paper billing. Charges may also apply for non-Direct Debit payment, unless on the EE network. Promo codes cannot be used in conjunction with any other offer. Full Legals.

RPI+/CPI Price Increase - Each year, your Pay Monthly airtime tariff will be adjusted according to a Fixed Annual Price Change (Three), RPI+ (O2) or Consumer Price Index (EE, Vodafone) rate of inflation. Your bill will be adjusted in March (EE) or April (O2, Three, Vodafone) by 4.5% (Three), or the rate announced in January (EE, Vodafone) and February (O2) that year (plus 3.9% on EE, O2, Vodafone).