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Josh and Andy on BBC Dragons' Den with the honest Smart SIM — Certified B Corporation
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5 reasons 100,000+ people wish they'd got a backup eSIM sooner

We built a backup eSIM to fix rubbish signal and expensive roaming. Here's why it's proving so popular.

Josh Mihill, Co-founder of Honest Mobile

by Josh Mihill

Co-founder of Honest Mobile

TechRadar
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Stay connected to 500+ essential apps wherever you go

Your SIM + Smart SIMYour SIM
📶Essential apps on every UK network
🌍Free roaming on essential apps in 180+ countries
♾️Unlimited data for essential apps
💷Flat fee, no surprise charges
🧘Peace of mind about staying connected
1

We built the thing the big networks never would

The big networks would never admit this, but no single network can cover you everywhere. So we built an eSIM that connects you to every major UK network: EE, O2, Three and Vodafone.

When your signal drops, switch in a few taps to keep WhatsApp, Maps, email and 500+ more essential apps running on another available network.

Your main SIM on one network vs Main SIM + Smart SIM on EE, O2, Three and Vodafone
2

We made roaming free in 180+ countries

No more expensive roaming fees, hunting for wifi or fiddly travel eSIMs.

From the moment you land, Smart SIM gives you unlimited data on WhatsApp, Maps, Booking.com and hundreds more essential apps. No surprise costs, ever.

Your main SIM with roaming charges vs Main SIM + Smart SIM with no roaming charges
3

We made pricing so affordable, it's a no-brainer

One flat fee, no catches. Choose between £10/month or £45/year (that's just £3.75/month) for total peace of mind you'll stay connected when it matters most.

Smart SIM — only £45 per year
4

We pitched it to the Dragons (and got two offers)

Building Honest has been full of wild moments. But getting investment offers from Deborah Meaden and Steven Bartlett on Dragons' Den might just top the lot.

We started Honest because we were fed up with the big networks. Now more than 100,000 people back us, and we won't rest until rubbish signal and expensive roaming are ancient history.

Josh and Andy celebrating their investment with the Dragons on BBC Dragons' Den
5

We didn't ask anyone to leave their network, and that changed everything

Smart SIM works alongside your main SIM, not instead of it. It's data-only, so you keep your number, your network and your contract.

No switching means nothing to lose. Order and set up your Smart SIM in minutes.

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Get Smart SIM

Essential apps on every UK network, plus hundreds more worldwide

£45/year or £10/month

Data-only eSIM.

Smart SIM as seen on Dragons' Den

Choose plan

Get Smart SIM

Download Smart SIM in seconds

14 day money back guarantee

Use alongside your main SIM

Join 100,000+ happy customers

Trusted by 100,000+ happy customers

Here's what they have to say about Smart SIM

Trustpilot 5 stars

I was sceptical but...

“I decided to take a chance and get a Smart SIM. My experience so far has been great. I’ve had no loss of signal and used different networks due to the SIM working its magic. 5 stars from me.”
Thomas Berry|TrustpilotVerified
Trustpilot 5 stars

A genuine upgrade

“I’ve struggled for years with dead spots and unreliable eSIMs, but Honest Mobile has been a total revelation. Local and international coverage just works.”
Steve Dunn|TrustpilotVerified
5 stars

Worked in 8 Caribbean islands

“Smart SIM worked perfectly in every one, even in the Dominican rainforest.”
Simon Fisk|FacebookVerified
Trustpilot 5 stars

Seamless and just works

“I used to spend a fortune in roaming fees and travel eSIMs. Now I don’t think about staying connected when I’m abroad. Smart SIM is seamless and just works. Brilliant.”
Ade T|TrustpilotVerified
5 stars

Like wifi at home

“I got my Smart SIM, easily set it up and I can’t believe how good it is. It’s like I’m on wifi at home. Everything loading. For £45 it’s a no brainer.”
ob1wales|InstagramVerified
5 stars

An absolute life saver

“Great when signal drops out and an absolute life saver when in Australia last year.”
mko.mcguckin|InstagramVerified
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5 Reasons You'll Wish You Got a Backup eSIM Sooner | Honest Mobile