Network vs network
Sky Mobile vs Tesco Mobile
Same masts, different deals. We compare price rises in pounds, roaming, credit checks and today’s cheapest SIMs on both.
bemobiles tips
Do they use the same masts?
Yes — coverage is effectively the same, so choose on price and extras.
Which one raises prices?
Sky Mobile: +£1.50 from Feb 2026, not fixed in contract. Tesco Mobile: Fixed rise of about 6% every April.
Which is better abroad?
Sky Mobile: Roaming Passport Plus £2 a day. Tesco Mobile: Home From Home, 48 countries.
Sky Mobile£360
Tesco Mobile£254.40Cheapest SIM with 10GB or more × 24, plus April rises
Live prices; rises estimated for a plan starting this month.
Over 24 months, the cheapest 10GB+ SIM costs £360 on Sky Mobile and £254.40 on Tesco Mobile once April rises are added — Tesco Mobile is £105.60 cheaper. Both run on the same masts.
Prices checked 28 October 2026 · facts checked monthly · How we compare
Sky Mobile vs Tesco Mobile, side by side
| Sky Mobile | Tesco Mobile | |
|---|---|---|
| Masts | O2 | O2 |
| Annual price rise | +£1.50 from Feb 2026, not fixed in contract | Fixed rise of about 6% every April |
| Roaming | Roaming Passport Plus £2 a day | Home From Home, 48 countries |
| Credit check | Pre-sale check | Hard check |
| eSIM | Yes | No |
| Wi-Fi Calling | Yes | No |
| Ofcom complaints per 100k (Q1 2026) | 4 | 2 |
| Cheapest SIM, 10GB+ | £6 a month | £9 a month |
| Cheapest SIM, 30GB+ | £11 a month | £10 a month |
| Cheapest SIM, Unlimited | £20 a month | £17 a month |
Highlighted = better on that line. Facts from network terms and Ofcom; prices live.
Our verdict
On price, Tesco Mobile comes out ahead for a typical 10GB+ SIM: £105.60 less over two years once April rises are counted (Sky Mobile rises add about £0, Tesco Mobile’s about £14.40).
Because both use the same masts, coverage is identical — the choice comes down to price, price rises and extras.
Sky Mobile and Tesco Mobile SIM only deals, live
FAQ
Sky Mobile vs Tesco Mobile questions
Is Sky Mobile or Tesco Mobile cheaper?
Tesco Mobile, today: the cheapest 10GB+ SIM costs £10 a month, and over 24 months with April rises the gap is £105.60.
Do Sky Mobile and Tesco Mobile use the same network?
Yes, coverage is the same.
Which has better roaming?
Sky Mobile: Roaming Passport Plus £2 a day. Tesco Mobile: Home From Home, 48 countries.
Can I switch from Sky Mobile to Tesco Mobile and keep my number?
Yes. Text PAC to 65075 from your Sky Mobile phone, give the code to Tesco Mobile, and the number moves within one working day.