Looking for a no-contract SIM only deal thatโs flexible and affordable?
Smarty SIM only plans run on the trusted Three network and deliver transparent pricing, unlimited calls & texts, and excellent data value every month.
Why Pick Smarty?
- 1-Month Rolling SIMs โ change, pause, or cancel anytime.
- No Credit Checks โ everyoneโs welcome.
- Full Transparency โ no hidden fees or mid-contract price hikes.
- EU Roaming โ use your plan in 12 European destinations at no extra cost.
Top Smarty Plans This Month
SMARTY SIM Only
45 Roaming Destinations
12GB
๐ฆ๐ฝ ร
land Islands
๐ฆ๐น Austria
๐ต๐น Azores
๐ช๐ธ Balearic Islands
๐ง๐ช Belgium
๐ง๐ฌ Bulgaria
๐ฎ๐จ Canary Islands
๐พ๐น Comoros & Mayotte
๐ญ๐ท Croatia
๐จ๐พ Cyprus
๐จ๐ฟ Czech Republic
๐ฉ๐ฐ Denmark
๐ช๐ช Estonia
๐ซ๐ฎ Finland
๐ซ๐ท France
๐ฌ๐ซ French Guiana
๐ฉ๐ช Germany
๐ฌ๐ฎ Gibraltar
๐ฌ๐ท Greece
๐ฌ๐ต Guadeloupe
๐ญ๐บ Hungary
๐ฎ๐ธ Iceland
๐ฎ๐ช Ireland
๐ฎ๐น Italy
๐ฑ๐ป Latvia
๐ฑ๐น Lithuania
๐ฑ๐บ Luxembourg
๐ต๐น Madeira
๐ฒ๐น Malta
๐ฒ๐ถ Martinique
๐ณ๐ฑ Netherlands
๐ณ๐ด Norway
๐ต๐ฑ Poland
๐ต๐น Portugal
๐ท๐ช Rรฉunion
๐ท๐ด Romania
๐ง๐ฑ Saint Barthรฉlemy
๐ฒ๐ซ Saint Martin
๐ธ๐ฒ San Marino
๐ธ๐ฐ Slovakia
๐ธ๐ฎ Slovenia
๐ช๐ธ Spain
๐ธ๐ช Sweden
๐ป๐ฆ Vatican City
SMARTY SIM Only
45 Roaming Destinations
12GB
๐ฆ๐ฝ ร
land Islands
๐ฆ๐น Austria
๐ต๐น Azores
๐ช๐ธ Balearic Islands
๐ง๐ช Belgium
๐ง๐ฌ Bulgaria
๐ฎ๐จ Canary Islands
๐พ๐น Comoros & Mayotte
๐ญ๐ท Croatia
๐จ๐พ Cyprus
๐จ๐ฟ Czech Republic
๐ฉ๐ฐ Denmark
๐ช๐ช Estonia
๐ซ๐ฎ Finland
๐ซ๐ท France
๐ฌ๐ซ French Guiana
๐ฉ๐ช Germany
๐ฌ๐ฎ Gibraltar
๐ฌ๐ท Greece
๐ฌ๐ต Guadeloupe
๐ญ๐บ Hungary
๐ฎ๐ธ Iceland
๐ฎ๐ช Ireland
๐ฎ๐น Italy
๐ฑ๐ป Latvia
๐ฑ๐น Lithuania
๐ฑ๐บ Luxembourg
๐ต๐น Madeira
๐ฒ๐น Malta
๐ฒ๐ถ Martinique
๐ณ๐ฑ Netherlands
๐ณ๐ด Norway
๐ต๐ฑ Poland
๐ต๐น Portugal
๐ท๐ช Rรฉunion
๐ท๐ด Romania
๐ง๐ฑ Saint Barthรฉlemy
๐ฒ๐ซ Saint Martin
๐ธ๐ฒ San Marino
๐ธ๐ฐ Slovakia
๐ธ๐ฎ Slovenia
๐ช๐ธ Spain
๐ธ๐ช Sweden
๐ป๐ฆ Vatican City
SMARTY SIM Only
45 Roaming Destinations
12GB
๐ฆ๐ฝ ร
land Islands
๐ฆ๐น Austria
๐ต๐น Azores
๐ช๐ธ Balearic Islands
๐ง๐ช Belgium
๐ง๐ฌ Bulgaria
๐ฎ๐จ Canary Islands
๐พ๐น Comoros & Mayotte
๐ญ๐ท Croatia
๐จ๐พ Cyprus
๐จ๐ฟ Czech Republic
๐ฉ๐ฐ Denmark
๐ช๐ช Estonia
๐ซ๐ฎ Finland
๐ซ๐ท France
๐ฌ๐ซ French Guiana
๐ฉ๐ช Germany
๐ฌ๐ฎ Gibraltar
๐ฌ๐ท Greece
๐ฌ๐ต Guadeloupe
๐ญ๐บ Hungary
๐ฎ๐ธ Iceland
๐ฎ๐ช Ireland
๐ฎ๐น Italy
๐ฑ๐ป Latvia
๐ฑ๐น Lithuania
๐ฑ๐บ Luxembourg
๐ต๐น Madeira
๐ฒ๐น Malta
๐ฒ๐ถ Martinique
๐ณ๐ฑ Netherlands
๐ณ๐ด Norway
๐ต๐ฑ Poland
๐ต๐น Portugal
๐ท๐ช Rรฉunion
๐ท๐ด Romania
๐ง๐ฑ Saint Barthรฉlemy
๐ฒ๐ซ Saint Martin
๐ธ๐ฒ San Marino
๐ธ๐ฐ Slovakia
๐ธ๐ฎ Slovenia
๐ช๐ธ Spain
๐ธ๐ช Sweden
๐ป๐ฆ Vatican City
SMARTY SIM Only
45 Roaming Destinations
12GB
๐ฆ๐ฝ ร
land Islands
๐ฆ๐น Austria
๐ต๐น Azores
๐ช๐ธ Balearic Islands
๐ง๐ช Belgium
๐ง๐ฌ Bulgaria
๐ฎ๐จ Canary Islands
๐พ๐น Comoros & Mayotte
๐ญ๐ท Croatia
๐จ๐พ Cyprus
๐จ๐ฟ Czech Republic
๐ฉ๐ฐ Denmark
๐ช๐ช Estonia
๐ซ๐ฎ Finland
๐ซ๐ท France
๐ฌ๐ซ French Guiana
๐ฉ๐ช Germany
๐ฌ๐ฎ Gibraltar
๐ฌ๐ท Greece
๐ฌ๐ต Guadeloupe
๐ญ๐บ Hungary
๐ฎ๐ธ Iceland
๐ฎ๐ช Ireland
๐ฎ๐น Italy
๐ฑ๐ป Latvia
๐ฑ๐น Lithuania
๐ฑ๐บ Luxembourg
๐ต๐น Madeira
๐ฒ๐น Malta
๐ฒ๐ถ Martinique
๐ณ๐ฑ Netherlands
๐ณ๐ด Norway
๐ต๐ฑ Poland
๐ต๐น Portugal
๐ท๐ช Rรฉunion
๐ท๐ด Romania
๐ง๐ฑ Saint Barthรฉlemy
๐ฒ๐ซ Saint Martin
๐ธ๐ฒ San Marino
๐ธ๐ฐ Slovakia
๐ธ๐ฎ Slovenia
๐ช๐ธ Spain
๐ธ๐ช Sweden
๐ป๐ฆ Vatican City
SMARTY SIM Only
45 Roaming Destinations
12GB
๐ฆ๐ฝ ร
land Islands
๐ฆ๐น Austria
๐ต๐น Azores
๐ช๐ธ Balearic Islands
๐ง๐ช Belgium
๐ง๐ฌ Bulgaria
๐ฎ๐จ Canary Islands
๐พ๐น Comoros & Mayotte
๐ญ๐ท Croatia
๐จ๐พ Cyprus
๐จ๐ฟ Czech Republic
๐ฉ๐ฐ Denmark
๐ช๐ช Estonia
๐ซ๐ฎ Finland
๐ซ๐ท France
๐ฌ๐ซ French Guiana
๐ฉ๐ช Germany
๐ฌ๐ฎ Gibraltar
๐ฌ๐ท Greece
๐ฌ๐ต Guadeloupe
๐ญ๐บ Hungary
๐ฎ๐ธ Iceland
๐ฎ๐ช Ireland
๐ฎ๐น Italy
๐ฑ๐ป Latvia
๐ฑ๐น Lithuania
๐ฑ๐บ Luxembourg
๐ต๐น Madeira
๐ฒ๐น Malta
๐ฒ๐ถ Martinique
๐ณ๐ฑ Netherlands
๐ณ๐ด Norway
๐ต๐ฑ Poland
๐ต๐น Portugal
๐ท๐ช Rรฉunion
๐ท๐ด Romania
๐ง๐ฑ Saint Barthรฉlemy
๐ฒ๐ซ Saint Martin
๐ธ๐ฒ San Marino
๐ธ๐ฐ Slovakia
๐ธ๐ฎ Slovenia
๐ช๐ธ Spain
๐ธ๐ช Sweden
๐ป๐ฆ Vatican City
SMARTY SIM Only
45 Roaming Destinations
12GB
๐ฆ๐ฝ ร
land Islands
๐ฆ๐น Austria
๐ต๐น Azores
๐ช๐ธ Balearic Islands
๐ง๐ช Belgium
๐ง๐ฌ Bulgaria
๐ฎ๐จ Canary Islands
๐พ๐น Comoros & Mayotte
๐ญ๐ท Croatia
๐จ๐พ Cyprus
๐จ๐ฟ Czech Republic
๐ฉ๐ฐ Denmark
๐ช๐ช Estonia
๐ซ๐ฎ Finland
๐ซ๐ท France
๐ฌ๐ซ French Guiana
๐ฉ๐ช Germany
๐ฌ๐ฎ Gibraltar
๐ฌ๐ท Greece
๐ฌ๐ต Guadeloupe
๐ญ๐บ Hungary
๐ฎ๐ธ Iceland
๐ฎ๐ช Ireland
๐ฎ๐น Italy
๐ฑ๐ป Latvia
๐ฑ๐น Lithuania
๐ฑ๐บ Luxembourg
๐ต๐น Madeira
๐ฒ๐น Malta
๐ฒ๐ถ Martinique
๐ณ๐ฑ Netherlands
๐ณ๐ด Norway
๐ต๐ฑ Poland
๐ต๐น Portugal
๐ท๐ช Rรฉunion
๐ท๐ด Romania
๐ง๐ฑ Saint Barthรฉlemy
๐ฒ๐ซ Saint Martin
๐ธ๐ฒ San Marino
๐ธ๐ฐ Slovakia
๐ธ๐ฎ Slovenia
๐ช๐ธ Spain
๐ธ๐ช Sweden
๐ป๐ฆ Vatican City
SMARTY SIM Only
45 Roaming Destinations
12GB
๐ฆ๐ฝ ร
land Islands
๐ฆ๐น Austria
๐ต๐น Azores
๐ช๐ธ Balearic Islands
๐ง๐ช Belgium
๐ง๐ฌ Bulgaria
๐ฎ๐จ Canary Islands
๐พ๐น Comoros & Mayotte
๐ญ๐ท Croatia
๐จ๐พ Cyprus
๐จ๐ฟ Czech Republic
๐ฉ๐ฐ Denmark
๐ช๐ช Estonia
๐ซ๐ฎ Finland
๐ซ๐ท France
๐ฌ๐ซ French Guiana
๐ฉ๐ช Germany
๐ฌ๐ฎ Gibraltar
๐ฌ๐ท Greece
๐ฌ๐ต Guadeloupe
๐ญ๐บ Hungary
๐ฎ๐ธ Iceland
๐ฎ๐ช Ireland
๐ฎ๐น Italy
๐ฑ๐ป Latvia
๐ฑ๐น Lithuania
๐ฑ๐บ Luxembourg
๐ต๐น Madeira
๐ฒ๐น Malta
๐ฒ๐ถ Martinique
๐ณ๐ฑ Netherlands
๐ณ๐ด Norway
๐ต๐ฑ Poland
๐ต๐น Portugal
๐ท๐ช Rรฉunion
๐ท๐ด Romania
๐ง๐ฑ Saint Barthรฉlemy
๐ฒ๐ซ Saint Martin
๐ธ๐ฒ San Marino
๐ธ๐ฐ Slovakia
๐ธ๐ฎ Slovenia
๐ช๐ธ Spain
๐ธ๐ช Sweden
๐ป๐ฆ Vatican City
SMARTY SIM Only
45 Roaming Destinations
5GB
๐ฆ๐ฝ ร
land Islands
๐ฆ๐น Austria
๐ต๐น Azores
๐ช๐ธ Balearic Islands
๐ง๐ช Belgium
๐ง๐ฌ Bulgaria
๐ฎ๐จ Canary Islands
๐พ๐น Comoros & Mayotte
๐ญ๐ท Croatia
๐จ๐พ Cyprus
๐จ๐ฟ Czech Republic
๐ฉ๐ฐ Denmark
๐ช๐ช Estonia
๐ซ๐ฎ Finland
๐ซ๐ท France
๐ฌ๐ซ French Guiana
๐ฉ๐ช Germany
๐ฌ๐ฎ Gibraltar
๐ฌ๐ท Greece
๐ฌ๐ต Guadeloupe
๐ญ๐บ Hungary
๐ฎ๐ธ Iceland
๐ฎ๐ช Ireland
๐ฎ๐น Italy
๐ฑ๐ป Latvia
๐ฑ๐น Lithuania
๐ฑ๐บ Luxembourg
๐ต๐น Madeira
๐ฒ๐น Malta
๐ฒ๐ถ Martinique
๐ณ๐ฑ Netherlands
๐ณ๐ด Norway
๐ต๐ฑ Poland
๐ต๐น Portugal
๐ท๐ช Rรฉunion
๐ท๐ด Romania
๐ง๐ฑ Saint Barthรฉlemy
๐ฒ๐ซ Saint Martin
๐ธ๐ฒ San Marino
๐ธ๐ฐ Slovakia
๐ธ๐ฎ Slovenia
๐ช๐ธ Spain
๐ธ๐ช Sweden
๐ป๐ฆ Vatican City
SMARTY SIM Only
45 Roaming Destinations
12GB
๐ฆ๐ฝ ร
land Islands
๐ฆ๐น Austria
๐ต๐น Azores
๐ช๐ธ Balearic Islands
๐ง๐ช Belgium
๐ง๐ฌ Bulgaria
๐ฎ๐จ Canary Islands
๐พ๐น Comoros & Mayotte
๐ญ๐ท Croatia
๐จ๐พ Cyprus
๐จ๐ฟ Czech Republic
๐ฉ๐ฐ Denmark
๐ช๐ช Estonia
๐ซ๐ฎ Finland
๐ซ๐ท France
๐ฌ๐ซ French Guiana
๐ฉ๐ช Germany
๐ฌ๐ฎ Gibraltar
๐ฌ๐ท Greece
๐ฌ๐ต Guadeloupe
๐ญ๐บ Hungary
๐ฎ๐ธ Iceland
๐ฎ๐ช Ireland
๐ฎ๐น Italy
๐ฑ๐ป Latvia
๐ฑ๐น Lithuania
๐ฑ๐บ Luxembourg
๐ต๐น Madeira
๐ฒ๐น Malta
๐ฒ๐ถ Martinique
๐ณ๐ฑ Netherlands
๐ณ๐ด Norway
๐ต๐ฑ Poland
๐ต๐น Portugal
๐ท๐ช Rรฉunion
๐ท๐ด Romania
๐ง๐ฑ Saint Barthรฉlemy
๐ฒ๐ซ Saint Martin
๐ธ๐ฒ San Marino
๐ธ๐ฐ Slovakia
๐ธ๐ฎ Slovenia
๐ช๐ธ Spain
๐ธ๐ช Sweden
๐ป๐ฆ Vatican City
SMARTY SIM Only
45 Roaming Destinations
12GB
๐ฆ๐ฝ ร
land Islands
๐ฆ๐น Austria
๐ต๐น Azores
๐ช๐ธ Balearic Islands
๐ง๐ช Belgium
๐ง๐ฌ Bulgaria
๐ฎ๐จ Canary Islands
๐พ๐น Comoros & Mayotte
๐ญ๐ท Croatia
๐จ๐พ Cyprus
๐จ๐ฟ Czech Republic
๐ฉ๐ฐ Denmark
๐ช๐ช Estonia
๐ซ๐ฎ Finland
๐ซ๐ท France
๐ฌ๐ซ French Guiana
๐ฉ๐ช Germany
๐ฌ๐ฎ Gibraltar
๐ฌ๐ท Greece
๐ฌ๐ต Guadeloupe
๐ญ๐บ Hungary
๐ฎ๐ธ Iceland
๐ฎ๐ช Ireland
๐ฎ๐น Italy
๐ฑ๐ป Latvia
๐ฑ๐น Lithuania
๐ฑ๐บ Luxembourg
๐ต๐น Madeira
๐ฒ๐น Malta
๐ฒ๐ถ Martinique
๐ณ๐ฑ Netherlands
๐ณ๐ด Norway
๐ต๐ฑ Poland
๐ต๐น Portugal
๐ท๐ช Rรฉunion
๐ท๐ด Romania
๐ง๐ฑ Saint Barthรฉlemy
๐ฒ๐ซ Saint Martin
๐ธ๐ฒ San Marino
๐ธ๐ฐ Slovakia
๐ธ๐ฎ Slovenia
๐ช๐ธ Spain
๐ธ๐ช Sweden
๐ป๐ฆ Vatican City
SMARTY SIM Only
45 Roaming Destinations
12GB
๐ฆ๐ฝ ร
land Islands
๐ฆ๐น Austria
๐ต๐น Azores
๐ช๐ธ Balearic Islands
๐ง๐ช Belgium
๐ง๐ฌ Bulgaria
๐ฎ๐จ Canary Islands
๐พ๐น Comoros & Mayotte
๐ญ๐ท Croatia
๐จ๐พ Cyprus
๐จ๐ฟ Czech Republic
๐ฉ๐ฐ Denmark
๐ช๐ช Estonia
๐ซ๐ฎ Finland
๐ซ๐ท France
๐ฌ๐ซ French Guiana
๐ฉ๐ช Germany
๐ฌ๐ฎ Gibraltar
๐ฌ๐ท Greece
๐ฌ๐ต Guadeloupe
๐ญ๐บ Hungary
๐ฎ๐ธ Iceland
๐ฎ๐ช Ireland
๐ฎ๐น Italy
๐ฑ๐ป Latvia
๐ฑ๐น Lithuania
๐ฑ๐บ Luxembourg
๐ต๐น Madeira
๐ฒ๐น Malta
๐ฒ๐ถ Martinique
๐ณ๐ฑ Netherlands
๐ณ๐ด Norway
๐ต๐ฑ Poland
๐ต๐น Portugal
๐ท๐ช Rรฉunion
๐ท๐ด Romania
๐ง๐ฑ Saint Barthรฉlemy
๐ฒ๐ซ Saint Martin
๐ธ๐ฒ San Marino
๐ธ๐ฐ Slovakia
๐ธ๐ฎ Slovenia
๐ช๐ธ Spain
๐ธ๐ช Sweden
๐ป๐ฆ Vatican City
SMARTY SIM Only
45 Roaming Destinations
12GB
๐ฆ๐ฝ ร
land Islands
๐ฆ๐น Austria
๐ต๐น Azores
๐ช๐ธ Balearic Islands
๐ง๐ช Belgium
๐ง๐ฌ Bulgaria
๐ฎ๐จ Canary Islands
๐พ๐น Comoros & Mayotte
๐ญ๐ท Croatia
๐จ๐พ Cyprus
๐จ๐ฟ Czech Republic
๐ฉ๐ฐ Denmark
๐ช๐ช Estonia
๐ซ๐ฎ Finland
๐ซ๐ท France
๐ฌ๐ซ French Guiana
๐ฉ๐ช Germany
๐ฌ๐ฎ Gibraltar
๐ฌ๐ท Greece
๐ฌ๐ต Guadeloupe
๐ญ๐บ Hungary
๐ฎ๐ธ Iceland
๐ฎ๐ช Ireland
๐ฎ๐น Italy
๐ฑ๐ป Latvia
๐ฑ๐น Lithuania
๐ฑ๐บ Luxembourg
๐ต๐น Madeira
๐ฒ๐น Malta
๐ฒ๐ถ Martinique
๐ณ๐ฑ Netherlands
๐ณ๐ด Norway
๐ต๐ฑ Poland
๐ต๐น Portugal
๐ท๐ช Rรฉunion
๐ท๐ด Romania
๐ง๐ฑ Saint Barthรฉlemy
๐ฒ๐ซ Saint Martin
๐ธ๐ฒ San Marino
๐ธ๐ฐ Slovakia
๐ธ๐ฎ Slovenia
๐ช๐ธ Spain
๐ธ๐ช Sweden
๐ป๐ฆ Vatican City
Smarty vs Other 1-Month Providers
Compared with giffgaff and VOXI, Smarty usually offers more data for less money and keeps roaming perks included. Plans stay fully flexible โ no top-ups or bundles expiring mid-month.
Who Is Smarty Best For?
Students, budget-minded users, and anyone wanting a simple 1-month contract with generous data.
Coverage mirrors Threeโs strong 5G network, though rural users should check the coverage map first.
How to Switch to Smarty
- Order your free SIM from Smarty.co.uk.
- Text your PAC code to SMARTY (88600) to keep your number.
- Activate online โ youโre ready to go.
See our detailed guide on How To Switch Sim Providers
Final Verdict
Smartyโs SIM only deals remain among the best value mobile plans in the UK โ perfect if you want cheap, flexible, and contract-free mobile freedom.