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Chapter overview

Small networks: same masts, smaller bills

None of these brands owns a mast. Here's whose signal each rents, and the trade-offs that come with the discount.

The landlord map

On O2's mastsTesco Mobile · giffgaff · Sky Mobile
On Three's mastsSMARTY · iD Mobile
On Vodafone's mastsVOXI · Lebara
On EE's masts1pMobile

Same radio waves as the landlord, smaller bills, slimmer frills. The trade-offs are consistent: features like eSIM and Wi-Fi Calling arrive on the tenant's timetable, support is leaner (sometimes online-only), and peak-time traffic can queue behind the landlord's own customers.

1pMobile, the smallest of the set, charges per unit used on EE's masts — ideal for genuinely light users and as the cheapest possible audition of EE's coverage; heavy users overspend quickly on per-unit rates.

On O2

Tesco Mobile

Supermarket value, Clubcard hooks, family-friendly service.

On O2

giffgaff

No contracts, no call centres — everything online.

On Three

SMARTY

Three's own budget brand; rolling monthly simplicity.

On Three

iD Mobile

Aggressive per-GB pricing with rollover on some tiers.

On Vodafone

VOXI

Youth-focused; social apps that don't touch the allowance.

On Vodafone

Lebara

International-minutes specialist on Vodafone signal.

Pro tip: The buying rule for every brand here: check the LANDLORD'S coverage at your postcode first, audition one rolling month, then commit.
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