Smarty is a SIM-only mobile network running on Three’s UK network, with 99% 4G/5G coverage and no annual contracts. Plans roll monthly, from light 5GB bundles right up to unlimited data, making Smarty a great fit for switchers who want flexibility, students on a budget, and anyone fed up with overpaying on a traditional contract. EU roaming is included as standard, with no credit check to join.
Save up to £25 on a new Smarty SIM plan with this cashback deal, no discount code needed. Simply join TopCashback and click through to Smarty before you sign up, and the cashback lands on top of Smarty’s already low monthly prices.
Sign up for a Smarty SIM plan via TopCashback and you could receive up to £25 cashback on top of Smarty’s low monthly price – effectively several months of your plan covered.
Anyone can use it – new and existing TopCashback members are welcome, but you must click through to Smarty from TopCashback before signing up for your SIM plan for the cashback to track.
No, there’s no code to enter. The £25 cashback is tracked through TopCashback when you click through before signing up for your SIM plan.
You can earn up to £25 cashback on a qualifying Smarty SIM plan, in addition to Smarty’s regular pricing.
Cashback through TopCashback typically tracks within a few days and clears once your account has been active, though exact timings depend on TopCashback’s own process.
Check our full Smarty discount codes page for other active offers you may be able to combine with this cashback deal.
Smarty doesn’t run a separate NHS discount for this cashback deal, but NHS staff and blue light card holders can claim the same up to £25 cashback as everyone else by going through TopCashback. For a dedicated discount route instead, check our full Smarty discount codes page.
There’s no special membership tier needed for this cashback offer – it’s open to anyone signing up via TopCashback. Students wanting a discounted SIM instead should check Smarty’s Student Beans verification on our other Smarty offers.
