Tesco Mobile's 1-day option is £5120. A Slashtel eSIM with at least 1GB for the same trip is £2.01. Keep your Tesco Mobile number for calls and texts.
Buy the Singapore eSIM →Tesco Mobile's 1-day Pay as you go data option costs £5120 (1GB of data). A Slashtel data eSIM for Singapore with at least 1GB for 7 days costs $2.69, about £2.01, so £5117.99 less. The eSIM is data only: keep your UK SIM in the phone for calls and texts. Tesco Mobile prices checked on tescomobile.com on 26 October 2026.
| Tesco Mobile | Includes | Slashtel eSIM (same days or more) | Difference |
|---|---|---|---|
| £5120 · 1 day | 1GB data only | 1GB, 7 days: $2.69 (≈£2.01) | £5117.99 less |
Tesco Mobile prices from tescomobile.com, checked 26 October 2026; Tesco Mobile's options include calls as well as data. Where Tesco Mobile charges by the day, we compare an eSIM with at least 1GB a day. tescomobile.com/roaming tool data (roaming-20260527.json), Home From Home page and Q2 2026 price list: 48 Home From Home destinations (EU plus Switzerland, Norway, Iceland, Gibraltar, Channel Islands and others) use UK allowance at no extra cost; no roaming passes listed; data is 1p/MB in USA, Canada, Australia, New Zealand and South Africa and £5/MB in Turkey and other Region 4 countries; pay monthly data roaming outside HFH capped at £40 a month on older tariffs or by safety buffer. The tool marks data roaming unavailable in Nepal, Kuwait, Bahrain, Sri Lanka, Philippines, Azerbaijan, Georgia, Kazakhstan, Uzbekistan, Taiwan, Cambodia, Bangladesh, Brazil and Peru, so they are left out; Vietnam not listed by name. Slashtel prices are live, in US dollars, converted at 0.75 per $1 (daily reference rate); your card is charged in your own currency at checkout. Tesco Mobile is a trademark of Tesco Mobile Limited. Slashtel is not affiliated with Tesco Mobile.
Yes, Tesco Mobile roams in Singapore, at £5120 for a day on its Pay as you go data option (checked 26 October 2026). A travel eSIM gives you local data there instead, while your Tesco Mobile number stays active for calls and texts.
For data, the eSIM. Tesco Mobile's 1-day option is £5120; a Slashtel eSIM with 1GB for 7 days is $2.69 (about £2.01). Tesco Mobile's option also includes calls, which the eSIM does not.
Yes. The eSIM is added alongside your Tesco Mobile SIM, so your number stays in the phone for calls and texts such as bank codes. Set the eSIM as the line for mobile data and turn data roaming off on the Tesco Mobile line. Whether Tesco Mobile charges for anything you receive abroad depends on your plan, so check with Tesco Mobile before you travel.
No. It is data only, with no phone number. You can call on WhatsApp, FaceTime or similar apps over the eSIM data.
Most iPhones from the XS onwards, Google Pixel 3 and later, and recent Samsung Galaxy S, Z and A models, provided the phone is not carrier-locked. Check under Settings for an option to add an eSIM.
Install it at home before you fly, while you have Wi-Fi, and switch mobile data to it when you land.