SMARTY review

Updated September 30, 2026 · TariffCue Editorial Team · Facts checked September 30, 2026

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Our verdict

SMARTY suits anyone after a rolling monthly SIM, a low entry price and the usual extras with no credit check, and it stays cheap at renewal because annual price rises do not apply to its rolling plans. Its unlimited plan ranks 89 of 173 on price, where heavy users get their value.

Key facts

Best for
Rolling monthly SIMs in GB priced low at entry and held there at renewal.
Seller type
Mvno (Source, checked September 30, 2026)
Host network
Three (Source, checked September 30, 2026)
SIM-only
Yes (Source, checked September 30, 2026)
Price from
£5 (Source, checked September 30, 2026)
Reference plan prices
40GB: GBP 10 per month, 40GB, 1-month rolling | Unlimited: GBP 20 per month, unlimited, 1-month rolling | 2GB Data Only: GBP 5 per month, 2GB, 1-month rolling (Source, checked September 30, 2026)
Unlimited plan price
£20 (Source, checked September 30, 2026)
5G
Yes (Source, checked September 30, 2026)
eSIM
Yes (Source, checked September 30, 2026)
Wi-Fi calling
Yes (Source, checked September 30, 2026)
EU roaming
Fair use (Source, checked September 30, 2026)
Hotspot sharing
Yes (Source, checked September 30, 2026)
Mid-contract price rises
No annual price rises on rolling one-month plans (Source, checked September 30, 2026)
Credit check required
No (Source, checked September 30, 2026)
Multi-line discount
Yes (Source, checked September 30, 2026)
Markets
GB (Source, checked September 30, 2026)
Legal entity
Hutchison 3G UK Limited (Source, checked September 30, 2026)
Headquarters
United Kingdom (Source, checked September 30, 2026)
Support channels
Help-centre, Community (Source, checked September 30, 2026)
Billing
Rolling
Contract length
1
Official website
smarty.co.uk

Apps and profiles

Get the app
App Store

Pros and cons

Pros

  • The entry plan is priced from £5 a month and bills on rolling terms.
  • No annual price rises on the rolling monthly plans, so what you start on is what you renew on.
  • An eSIM, 5G, wifi calling and hotspot sharing are all included.
  • A credit check is not required, so joining does not depend on a credit history.
  • A multi line discount is available, so extra lines in a household cost less than the first.

Cons

  • Support runs on help centre and community only, with no phone line for problems that need a voice.
  • EU roaming works on a fair use basis, so a month abroad is not the same as a month at home.
  • Coverage is fixed to Three because SMARTY is a virtual network operator, so there is no second host network to weigh.
  • SMARTY is sim only, so the monthly figure buys a SIM rather than a new handset.
SMARTY

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Scored 9.0 / 10 by TariffCue.

Who it suits

  • People in GB who want to leave any month on a 1 month rolling term.
  • Heavy data users who will pay £20 a month for the unlimited plan instead of watching a cap.
  • Households running several lines, since a multi line discount is available.

Who should look elsewhere

  • Buyers who would rather buy from the network's own brand: GETESA, Lonestar Cell MTN and yesss! are all network sellers, while SMARTY is a virtual network operator on Three.
  • Frequent travellers who want roaming included, since fair use is the basis here and 48.2% of cheap plan listings include it outright.
  • Anyone who needs a human voice on day one, since support runs on help centre and community only.

Where it sits among rivals

SMARTY sits in the middle of the field on price rather than at either end. Ranked by entry price it places 111 out of 258 tracked brands, well clear of the cheapest SIM only offers on the site. Ranked by unlimited price it moves to 89 of 173, which is a stronger position. Read together, the two rankings point to a brand whose entry figure catches the eye while the unlimited figure is where the value sits for anyone using a lot of data.

Pricing

SMARTY's entry plan is priced from £5 a month and its unlimited plan costs £20 a month, so both figures can be weighed side by side before anyone commits. They are monthly rates rather than a headline annual saving, which makes the entry price and the renewal price easy to compare on the same scale. The distance between £5 and £20 is the real decision: the lower figure suits light monthly use, and the higher one removes the cap for anyone who streams and shares.

What it does well

SMARTY covers the everyday list in one go. It is sim only, so the monthly figure covers the SIM and nothing else. An eSIM is available for anyone who would rather set up without a card in the post, 5G is on, wifi calling covers weak indoor signal and calls made from abroad, and hotspot sharing turns the phone into a router. A credit check is not required, so joining rests on the plan terms rather than a credit history. A multi line discount is available for households with more than one line, so the extra line costs less than the first.

Who runs it

SMARTY is run by Hutchison 3G UK Limited, so the contract sits with a named company rather than a trading name. Its home market is GB, and the plan list, the prices and the support pages all describe a single market. Support runs on help centre and community. That is a deliberate trade in the budget: help is written and community based rather than carried by a phone line, so anyone who needs a voice on the end of a handset should weigh it first.

How SMARTY compares

Where SMARTY is available

Countries from the brand (Source, checked September 30, 2026)

Frequently asked questions

How much is the cheapest SMARTY plan?+

SMARTY's entry plan starts at £5 a month and bills rolling, so there is no annual term to fund first. That figure is the monthly price from the start, not a headline rate that needs a discount code. Bigger allowances and unlimited data cost more.

How much is unlimited data at SMARTY?+

The unlimited plan costs £20 a month on rolling terms, and on the price lists it places 89 of 173 tracked brands, a stronger showing than its entry price. Heavy users get more here than the entry figure suggests.

Does the price rise when I renew?+

SMARTY rules out annual price rises on its rolling monthly plans, so the price you start on is the price you renew on. Billing is rolling and the term is 1 month, so renewal is a short decision rather than a locked anniversary. That makes budgeting easier.

Am I tied into a long contract?+

SMARTY's billing is rolling and its plans run for 1 month, so you are not locked into a long commitment. No annual commitment holds the price in place either, since no annual price rises apply to the rolling monthly plans. Flexibility is the point of the structure.

Which network does a SMARTY SIM run on?+

A SMARTY SIM runs on Three, and the brand is a virtual network operator rather than the network itself. Coverage, 5G and wifi calling therefore follow Three's footprint. If you would rather buy from a network seller directly, the comparison looks different.

Do I need a credit check to join SMARTY?+

A credit check is not required, and 100% of the plans in the no credit check list skip one as well. That removes the usual reason to hesitate over a mobile deal with a thin credit file.

Where can I use a SMARTY SIM, and what about roaming?+

SMARTY operates in the United Kingdom, so the plan list and the coverage are UK based. Roaming in the EU runs on a fair use basis, which limits heavy use rather than including roaming outright. Short trips are covered, while a month abroad with heavy data is a separate question.

How does SMARTY compare with buying from a network directly?+

SMARTY is a virtual network operator, while GETESA, Lonestar Cell MTN and yesss! are network sellers (network, network, network). Network sellers deal from the network's own brand, while SMARTY deals on Three with its own plan list. Support differs too, since SMARTY runs on help centre and community.

Sources

  • smarty.co.uk checked September 30, 2026

    Backs: Headquarters, Legal entity, Markets, Contract length, Mid-contract price rises

    “Registered in England and Wales”

  • smarty.co.uk/about-us checked September 30, 2026

    Backs: Credit check required, 5G, Host network, Hotspot sharing, Seller type, Wi-Fi calling

    “no credit check is required”

  • smarty.co.uk/all-plans checked September 30, 2026

    Backs: Billing, Price from, Reference plan prices, SIM-only, Unlimited plan price

    “Rolling Monthly”

  • smarty.co.uk/esim checked September 30, 2026

    Backs: ESIM

    “Yes we do, you can now get an eSIM”

  • smarty.co.uk/group-plans checked September 30, 2026

    Backs: Multi-line discount

    “Bring 2 to 8 plans into a SMARTY Group to save every month”

  • smarty.co.uk/roaming checked September 30, 2026

    Backs: EU roaming, Support channels

    “Subject to our fair use limit, you can use up to 12GB”

Compiled from 6 source pages, checked September 30, 2026. We did not open an account.

SMARTY

SMARTY

Rolling monthly SIMs in GB priced low at entry and held there at renewal.

9.0/10See alternatives