Best Smarty SIM Deals UK
Smarty is one of the UK's best-value mobile networks, offering flexible SIM-only deals on the Three network. Known for transparent pricing, no lock-in contracts, and their unique data discount feature that refunds unused data.
Why Choose Smarty?
Key Features
- Runs on Three's 5G network
- Money back on unused data
- No credit checks required
- EU roaming included
- Cancel anytime - no contracts
Trust Factors
- Over 1 million customers
- Rated Excellent on Trustpilot
- Transparent pricing with no hidden fees
Current Smarty Deals
Unlimited Data – £10/month
30-day rolling · No contract
- Unlimited data, calls & texts
- 5G included at no extra cost
- EU roaming included
We may earn a commission if you switch, at no extra cost to you.
6GB Starter Plan
30-day rolling · No contract
- Perfect for casual users
- Money back on unused data
- No commitment
We may earn a commission if you switch, at no extra cost to you.
Smarty FAQs
Is Smarty a good network?
Yes, Smarty is highly rated by customers. It runs on Three's network infrastructure, ensuring reliable coverage across the UK. Over 1 million customers.
Does Smarty require a credit check?
No, Smarty does not require credit checks, making it accessible for everyone including students and those with poor credit history.
Can I keep my number with Smarty?
Yes, you can easily transfer your existing number to Smarty using a PAC code from your current provider. The switch typically completes within one working day.
What network does Smarty use?
Smarty uses Three's network, giving you access to their coverage and 5G services where available.
Compare More SIM Deals
Not sure if Smarty is right for you? Compare deals from all major UK networks.
View All Deals