Four honest UK network compares.

These are not live price tables. Each page sets out who a brand suits, which host masts it uses, and then sends you to the official shops.

Checked September 2026.

Hosts

Coverage-first versus data-first. Check the map before you chase an allowance.

Read EE vs Three

Hosts

Perks and extras versus a wide UK map. Both have a long list of MVNOs.

Read O2 vs Vodafone

Value SIMs

O2 versus Three, dressed as two cheap SIMs. Host coverage decides it.

Value SIMs

Clubcard prices on O2, versus ultra-low PAYG on EE. Different habits, different hosts.

Read Tesco vs 1p

Need the full list?

Compares are a shortcut. The network pages are the catalogue — including travel eSIMs.