UK cost guide
SIM-only Mobile
Advertised monthly plan price; compare data and contract length. Figures are checked against the linked provider or official source. Eligibility and personal circumstances can change the final price.
Checked comparison
VOXI
20GB SIM-only · one-month rolling · selected social apps do not use your allowance
Checked 13/09/2026
£10.00 /mo
Original source
giffgaff
Unlimited data · 18-month contract · promotional price for customers joining by 2 October 2026
Checked 13/09/2026
£14.00 /mo
Original source
SMARTY
Unlimited 5G and 4G data · one-month rolling · no annual price rises
Checked 13/09/2026
£20.00 /mo
Original source