I was impressed with the swift changeover from my previous supplier to Smarty. I have a sim only deal and am happy with the monthly cost and data also the coverage in my area is pretty good. Howeve... See more
Company replied
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Review summary
Created with AI, based on recent reviews
What people talk about most
Reviews shaping this summary
Cheap tariffs for unlimited calls and text messages. Can add on extra data when you need it, meaning you get your money's worth. However, the international package I paid for on holiday did not seem t... See more
Company replied
Pity that my great experience with customer service immediately followed Ethen's awful one they reviewed below. Consistency, Smarty, consistency. Usually when I have to contact customer service of a... See more
Company replied
The app is simple to use, prices are competitive and the auto renewal makes it hassle free. My only complaint is that the service doesn’t seem to switch to Vodafone as I thought it was supposed to whe... See more
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Company details
- #31 of 35 best companies in Mobile network operator
About SMARTY
Written by the company
On a mission to make mobile simple and honest.
We started SMARTY because there's a better way to do things. Low costs, straightforward plans, transparent pricing and flexible deals.
We're on a mission to put the trust back into our industry by doing things properly.
SMARTY is powered by Three's strong and reliable network.
It covers 97% of the population, with fast speeds for browsing, gaming, downloading and emailing. You’ll also be able to enjoy 5G with SMARTY, where available.
100% ONLINE
No lunchtime queues, no trips to the high street. Skip the hassle and get it done yourself with our simple online dashboard.ABSOLUTELY NO HOLD MUSIC
Got a question? We've got tons of useful articles to help. Still stuck? Our web support team are here for you, every day from 8am-8pm.Refer and earn
Written by the company
- Pick a pal. Pick up DOUBLE rewards.
- Love being a SMARTY customer? When you're with SMARTY, you can refer-a-friend and when they join and renew for month three, you’ll both get up to £40 in rewards. Amazon.co.uk, PayPal, John Lewis & Partners, or Uber are yours to choose from. And you can refer as many friends as you like. - this is what we have on the RAF main page - so if we can either use this or just replace the 20 with 40
- Get started
- Go to smarty.co.uk. Choose a plan, order your SIM, and activate it when it arrives.
Roaming & International
Travelling or calling and texting abroad with SMARTY. Pay for what you use. Get what you don’t use back.
Travelling in the EU
Use your SMARTY plan as normal
Everything works like home. Data comes out of your monthly allowance or data add-ons. Calls and Texts are unlimited.
No hidden charges. No extra costs.
Contact info
Hutchison 3G UK Limited, 450 Longwater Avenue, Green Park, , RG2 6GF, Reading, United Kingdom
- team@support.smarty.co.uk
- smarty.co.uk
4.1
Great
49k reviews
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Terrible network
Terrible network, no customer service to deal with issues, mostly a poor signal and they try taking extra money out of your account it’s called ‘doubling up’ apparently.
Avoid!
5 September 2026
Unprompted review
The ability to flex up and down on…
The ability to flex up and down on different months is really useful for my SIM as I'll only be using when I'm travelling. Great value for money.
6 September 2026
Great value, easy to port over
Easy transfer from my previous network of 21 years. Knew the network would be good as those years were with Three 🤗
Great value for money and so flexible.
6 June 2026
Switched from 3 after 20+ years
Switching was easy after over 20 yrs with 3 mobile.
The app is so straight forward and easy to manage and understand.
Went from physical sim to esim so wasnt sure how that would work. Once had confirmation of the transfer pulled out the physical sim and made the esim primary one. Then restarted my phone making and everything just worked perfectly
Signal wise same as when was with 3, as read somewhere Smarty is part of 3 and uses their masts and Vodafone ones now. So signal great and zero issues
6 September 2026
Unprompted review
The signal is not strong someties but…
The signal is not strong sometimes but amount of date is huge and price is very good
6 September 2026
Good value for money but reception is…
Good value for money but reception is very hit and miss at times
4 September 2026
Smarty gives value for money good…
Smarty gives value for money good signal and a good service great all round good company
6 September 2026
Smarty seems to work well in most…
Smarty seems to work well in most places, but unfortunately it doesn't really work well inside my home. There are only a few places indoors where it works.
6 September 2026
Struggle getting on smarty site to top…
Struggle getting on smarty site to top up...keeps asking for password saying it's wrong....& Finding data needs topping up regular...when we only use it for our caravan for data WiFi...
6 September 2026
May use AI-assist with repliesRead more
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The phone does not ring and has not…
The phone does not ring and has not rung since the service was dos continued. All volumes are turned up maximally.
There is a register of an incoming call but no ringing.
Please look into the matter.
Thank you.
29 August 2026
Reply from SMARTY
Hi Beverly Allen,
We appreciate you bringing this ringing issue to our attention. We understand how frustrating it is when your phone isn't working as expected. We apologise for any inconvenience caused.
At your earliest convenience, please get in touch with our team so we can investigate further: https://smarty.co.uk/contact.
-Linsey
Good for UK/EU but useless for non-EU roaming
Whilst it offers a very competitive rate for UK users in addition to free usage in the EU, unfortunately it's not compatible with other eSIMs when travelling outside the EU and they force you to buy their own add on data. When I was with EE, using other eSIMS in non-EU countries was working absolutely fine.
6 September 2026
Unprompted review
Reply from SMARTY
Hi Norman Price,
Thank you for the review, and I’m sorry your experience outside the EU wasn’t as straightforward as you expected. I do appreciate you calling it out.
SMARTY works brilliantly for UK use and free EU roaming, but outside the EU our network setup doesn’t allow other travel eSIMs to take over data. Some providers use different roaming systems, which is why your EE setup behaved differently. It’s not something we block, just a technical limitation of how our roaming partners authenticate connections abroad.
Because of that, SMARTY offers its own roaming add‑ons for non‑EU travel so you can stay connected when you need to.
Your feedback is genuinely helpful.
-Linsey
I have changed my plan yet you are…
I have changed my plan yet you are still charging me monthlyfor the old plan and the new one. Complete joke phoned 3 times and no one can find the old plan to stop the payment
5 September 2026
Reply from SMARTY
Hi Mark Elford,
Thank you for your review. We apologise for the continued charges related to a SIM card you are not using.
Managing your own account is the customer's responsibility. As you have used a different email address to set up the new SIM, the other account must be registered under a different email address.
To stop further payments, you will need to disable the auto-renewal feature. We recommend logging in using your other email address. If you are unable to recall that email address, please contact us again so we can assist in locating the account.
https://smarty.co.uk/contact
-Linsey
I like that smarty has been nothing but…
I like that smarty has been nothing but consistent with my payment plans and always restarting my plan at midnight each month. But i don't like how the mobile data connection keeps dipping every few seconds. The data is really bad on this provider. And it will not let me connect to 5g automatically, even though there is a 5g tower right next to my house. The mobile data is the worst thing about smarty. And maybe you could reward the customers with freebies such as Bluetooth headphones, speakers, and maybe even free phone upgrades after a full year of being a pay as you go member, just to draw in more loyal customers!. The key solutions would be fix your inconsistent mobile data spikes. Give us access to free tech that can be used with our phones. And maybe even offer free phone upgrades for members that have paid for a year!.
4 September 2026
Reply from SMARTY
Hi Jaxon Johnson,
Thank you for your feedback, we really do appreciate you taking the time to share both the positives and the frustrations.
We are glad to hear your plan renewals have been consistent, but I’m sorry that your mobile data connection hasn’t been performing the way it should.
Dips in signal and difficulty connecting to 5G can happen for a few reasons, including local mast performance, temporary maintenance, or how your device connects to nearby towers. Even with a mast close by, your phone may still connect to a different one depending on load, signal strength, or network conditions at that moment.
Just like any other network, SMARTY cannot guarantee 100% coverage or a completely flawless service.
We’re always working to improve network stability, and your comments about inconsistent data spikes are really helpful for highlighting where things don’t feel right from a customer point of view.
Regarding rewards and freebies, SMARTY is a SIM only provider. We keep costs low by focusing on simple, contract‑free plans rather than handset deals or promotional gifts. This is how we’re able to offer competitive pricing without long‑term commitments.
-Linsey
It was so easy to transfer over to…
It was so easy to transfer over to smarty,does what it says on the tin.
5 September 2026
Reply from SMARTY
Hi Paul h,
We're so pleased to hear that you found the transfer to our service easy and that it meets your expectations! Thank you for your positive feedback.
-Linsey
Its a joke took me an hour to top up my…
Its a joke took me an hour to top up my plan, then three hours trying to add an addon, and nothing, support just told me the plan was pending despite showing it live and then when they couldnt find anymore excuses just ignored me its a joke
5 September 2026
Unprompted review
Reply from SMARTY
Hi Seventeen Eleven,
We sincerely apologise for the inconvenience you have experienced while attempting to top up your plan and add an add-on.
We would appreciate the opportunity to investigate this matter further, as the service described does not meet the standards we aim to provide.
We look forward to hearing from you.
-Linsey
Ease of signing up value for money and …
Ease of signing up value for money and not being tied to a contract
5 September 2026
Reply from SMARTY
Hi David Sowman,
We're so pleased you found our service easy to join, offers great value, and appreciate the flexibility of not being tied to a contract. Thank you for your feedback!
-Linsey
A great data sim for when in the…
A great data sim for when in the Motorhome using my Falcon router, couldn’t connect at tremble valley CS but no one could bit was able to connect when went shopping at Morrisons Newquay, next try is Hillhead CS so hopefully will be able to connect to network and get a signal
5 September 2026
Reply from SMARTY
Hi Mr Burt,
We're so glad to hear our data SIM is working well for your motorhome adventures! It's great to know you were able to connect in Newquay. We hope you have excellent signal at Hillhead CS too. Thank you for sharing your positive experience with us!
-Linsey
Reply from SMARTY
Hi Hemaxi Natvargar,
We're so happy to hear you're enjoying our SIM deal and that you're pleased with our network. Thank you for your positive feedback!
-Linsey
Awful customer service from Smarty
After Smarty informed me they were going to almost double the price of my sim only plan I tried to cancel since there are much better offers elsewhere. They asked me to get in touch to look at better offers but (after a long wait on a slow and painful chat) they just offered a plan with a lot more data (that I don’t use or want) at an even higher price! I respect their right to increase prices but wasting my time by getting me to contact them on the pretence of improving the deal only to offer an even more expensive deal is just insulting and poor customer service!
5 September 2026
Unprompted review
Reply from SMARTY
Hi Redstar,
We sincerely apologise for your experience regarding our recent price adjustments and the subsequent interaction with our customer service team. We appreciate how disappointing it can be to feel that your time has been wasted and to be offered a deal that does not meet your expectations.
Our team consistently strives to recommend the most beneficial value deals, as their primary goal is to serve the best interests of our customers. Nonetheless, we understand your perspective and sincerely apologise for any upset caused.
-Linsey
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