Comparison

Asda vs Tesco

Asda and Tesco both land on Depends.

Asda

Depends

Confidence: Medium

Buy if you want cheap weekly groceries and will check your receipts.

Depends

Confidence: Medium

Tesco is a supermarket, not software: it fits UK households doing weekly grocery shops, especially Clubcard members.

Asda versus Tesco
Compare	Asda	Tesco
Verdict	Depends	Depends
Best for	Budget weekly grocery shops	UK weekly grocery shops
Who it's not for	Shoppers wanting premium fresh produce	Anyone outside UK/Ireland delivery zones
Privacy	Consumer site with a patched 2016 payment flaw and 2024 breach warnings; no critical CVEs for Asda itself (ASDA-Soft CVEs are unrelated Delta Electronics software).^⁸	Multiple historical incidents (2014, 2016, 2021); no new breach evidence in the sources reviewed.
Support quality	Charging errors and service complaints dominate reviews	Only review counts found, no service detail
Public sentiment	Shoppers praise low prices but repeatedly flag fresh produce quality, charging errors, and poor service.^¹	Shoppers value the range and delivery convenience but repeatedly complain that prices feel volatile, rising, and Clubcard-dependent.
Biggest gotcha	Customers report being charged incorrectly in-store and online; check receipts carefully.¹¹	Breach history: Tesco Bank 2016, Clubcard accounts, 2021 hack attempt