Ever been stung by rubbish signal or sky-high roaming bills? This one's for you.
Smart SIM is a first-of-its-kind, data-only eSIM that works alongside your main SIM. It gives you access to every UK network, plus networks in 180+ countries abroad on all your essential apps.
Lose signal on your countryside walk or daily commute? Just switch on your Smart SIM and WhatsApp away. Land straight off the plane and need an Uber to your Airbnb? Just switch on your Smart SIM, message your host and book a cab.
Here's why 40,000+ happy customers are using Smart SIM at home and on holiday, for less than the price of a coffee every month:
Say goodbye to getting stranded in signal dead zones. Whenever your main SIM loses signal, you can switch to Smart SIM in just a few taps to keep using 500+ apps on another available network.
So you can stay connected on apps like WhatsApp, ChatGPT and Google Maps – whether you're on the commute, in the city, or deep in the countryside.
Travel like a local. From Spain to South Africa, Italy to India, Smart SIM keeps you connected with no roaming charges.
Use essential apps like WhatsApp, Google Maps, Booking.com and hundreds more wherever you land. Ciao adios, patchy hotel wifi, expensive roaming and pesky data caps.
One flat fee, no catches. Choose between £10/month or £45/year (that's just £3.75/month) for total peace of mind that you'll stay connected when it matters most.
Our reviews speak for themselves. Customers call Smart SIM a "game-changer", "revolutionary" and "incredibly good value".
Join over 40,000+ already using Smart SIM to stay connected at home and abroad. For commuting, travelling, and everything in between.
Smart SIM works alongside your main SIM, so there's no waiting around for your contract to end. Order, download and activate in just a few minutes.
Plus, our 14-day money-back guarantee means in the unlikely event that Smart SIM isn't for you, we'll give you a full refund. Simple as that.
500+ apps on every UK network, plus hundreds more worldwide. Data-only eSIM that works alongside your main SIM.
From just £3.75/month.
Explore Smart SIM