Which SIM should you get?
Three questions, one recommendation. No email, no sign-up — just an answer.
Question 1 of 3
How much mobile data do you use?
Do you call or text abroad regularly?
Do you need an eSIM?
We only compare two providers — giffgaff (O2 network) and Lebara (Vodafone network) — because those are the providers this site covers. For a wider market view see our head-to-head or a full-market comparison site. Prices checked 24 September 2026.