Smart SIM is a data-only eSIM that works alongside your main SIM. Switch in just a few taps for:

📶 Unbeatable UK signal – 500+ apps on EE, O2, Three and Vodafone 

🌎 Free global roaming – 500+ apps with unlimited data in 180+ countries

So whether you’re deep in the countryside, mid-commute, or holidaying in Cameroon, Smart SIM keeps you connected when it matters most.

Set up once then switch whenever you need it. No more rubbish signal, relying on wifi or expensive roaming fees 👋

Easy. Switch to Smart SIM in just a few taps or wait for it to kick in when your main SIM completely loses signal.

Yes, from South Africa to Sri Lanka, Italy to India, Smart SIM has got you covered with 500+ apps in 180+ countries. No hidden costs or scary bills to worry about while you’re away.

You’ll need to hop onto wifi for activities like social media and streaming.

Good question. We’ve always done things differently at Honest on our mission to build the best mobile network on the planet. 

After introducing Classic SIM to thousands of happy customers, we still felt signal and roaming could be better. So we developed Smart SIM.

Smart SIM is £10/month on our 30-day plan, or £45 for the year if you choose our annual plan (that’s just £3.75/month 😮).

We wouldn’t recommend it. You'll need your main SIM for calls and texts, social media and streaming, and web browsing. 

Smart SIM works alongside your main SIM, ready for you to switch to whenever you lose signal or go abroad. Think of it as your trusty back-up, there when you need it most.

All the most essential ones: WhatsApp, Google Maps, Uber, Citymapper, Monzo… the list goes on. Check out the 500+ apps on Smart SIM here.

It sure is. Consider it the all-you-can-eat buffet for apps including WhatsApp, Google Maps, Uber, Monzo and many more 📱

You can WhatsApp call and message, but if you're going old school, you'll need your main SIM for texts and calls.

No, although this might change if enough people want it to. We created Smart SIM as a second SIM – as most phones only have one slot for a physical SIM, it’s eSIM only for now.

Because Smart SIM is a digital eSIM, you can add it to your phone and set up right away.

Just make sure your phone is eSIM compatible before ordering.

We thought you’d never ask 🤩 Click here to get your Smart SIM – you’ll be up and running quicker than you can say ‘unbeatable signal and free global roaming’.

No. Classic SIM is your essential everyday UK SIM for texts, calls and data. It piggybacks on Three’s network.

Smart SIM is the ultimate second SIM, working alongside your main SIM (on any network) to give you 500+ apps on EE, O2, Three and Vodafone and in 180+ countries around the world.

For the ultimate peace of mind when it comes to your signal, we recommend using both.

No, and you don’t need to. Smart SIM is a VPN by default and fully secure. Think of it as a digital fortress for your data 🔒

Afraid not. To keep Smart SIM affordable, we’ve limited it to apps that don’t gobble up endless data. That means social media and streaming are off the cards (for now, at least).

On the flip side, you have more than 500 apps (and counting) at your fingertips, whether you’re on the train, on your travels or out on the town. Plus, it’ll give you a break from all that doomscrolling 😉