5 reasons you'll wish you got a back-up eSIM sooner

Get peace of mind about staying connected on your essential apps

As seen on
Dragons Den
Happy customers
5 stars4.6 stars | 90k+ Customers
Dragons Den
Smart SIM on phone
Condé Nast Traveler
Eliminates the stress of data caps and roaming charges while on your travels
Condé Nast Traveler
PC Pro
Well worth a punt if you're constantly battling dodgy reception
Barry Collins, PC Pro
1

Unbeatable signal on EE, O2, Three and Vodafone on 500+ essential apps

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.

Your main SIM on one network vs Main SIM + Smart SIM on EE, O2, Three and Vodafone

The ultimate backup eSIM for 500+ apps

Your main SIMYour main SIM + Smart SIM
Signal on every UK network
Free roaming in 180+ countries
Unlimited data for 500+ apps
Signal peace of mind
One eSIM for every trip
No more dead zones
2

Free global roaming in 180+ countries on 500+ essential apps

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.

Smart SIM connected in USA, Spain, India, Turkey and many more
3

From just £3.75/month with no hidden fees

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.

Your main SIM with roaming charges vs Main SIM + Smart SIM with no roaming charges
4

Trusted by 90,000+ happy customers

Here's what they have to say about Smart SIM.

5

Set up in minutes

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.

Try Smart SIM for yourself

500+ apps on every UK network, plus hundreds more worldwide. Data-only eSIM that works alongside your main SIM.

Smart SIM
Get Smart SIM
5 Reasons You'll Wish You Got a Back-up eSIM Sooner | Honest Mobile