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eSIM or a Physical SIM Card for Travel: Price, Time, Your Number and Safety

Гульназира Буранкаева, founder eSIM SOS
Photo: Silvie Lindemann

For a short trip abroad an eSIM is almost always more convenient and cheaper than a physical SIM card: buying takes two minutes online, there is no passport check or airport queue, and your home SIM stays in the phone and keeps receiving calls and bank texts. A physical local card wins in two cases: a long stay where you need unlimited data, and trips where you need a local number for calls. Below is a comparison with concrete numbers.

Quick comparison

CriterioneSIMPhysical SIM (local)
Where to buyOnline, before departureOn arrival, at a carrier store or the airport
Time to buy2–5 minutes15 minutes to an hour: queue, documents, setup
DocumentsUsually nonePassport, registration in many countries
Home numberStays active (dual SIM)Must be removed if the phone has one slot
Price for 5 GB in Turkeyabout $6.80$40–80 for a tourist package
Risk of lossNoneThe card and the tray
Moving to another phoneNeeds a new profileMove the card
Refund for unused dataNoNo
CompatibilitySmartphones from 2018–2019Practically any phone
Local number for callsUsually noYes

Price: Turkey and the UAE as examples

The price gap is obvious as soon as you compare the same amount of data.

Turkey. On eSIM SOS a 5 GB package for 30 days costs about $6.80. Tourist packages sold by carriers at Antalya and Istanbul airports cost $40–80 for 10–20 GB with a local number. If you only need data for a week's holiday, the eSIM is four to seven times cheaper. Networks, prices and activation details are in the eSIM for Turkey guide.

The UAE. The Emirates are pricier: 5 GB for 30 days on eSIM SOS costs about $18. A local tourist package at Dubai airport requires a passport and costs a comparable amount, but the SIM gives you a local number while the eSIM saves time after a long flight.

Thailand. Local tourist SIMs at Bangkok and Phuket airports are traditionally cheap, 300–600 baht for a week with a generous allowance, and Thailand is one of the few countries where a physical card on arrival competes with an eSIM on price. The eSIM wins on time: no desk to find after a night flight and no registration form to fill in.

The general rule: the shorter the trip and the less data you need, the better the eSIM looks. The longer you stay in one country, the more local unlimited plans catch up and overtake the eSIM per gigabyte.

Time and convenience

With a physical card the chain looks like this: find the carrier desk at the airport, wait in line, show your passport, wait for registration, hand the phone over for setup. In high season in Antalya or Phuket this easily takes half an hour after a flight. In town you still have to find a store, and small resort villages may not have one.

With an eSIM everything happens at home: pick a package, pay, scan the QR code over Wi-Fi. On landing you switch the line on and the internet is there before your luggage is. The first taxi, navigation to the hotel and a message home all go at a normal price.

There is a legal nuance too. In Turkey a phone using a local SIM must be registered by IMEI, otherwise it is cut off from the networks after 120 days. A travel eSIM works as a roaming profile and is not subject to this rule.

Your home number, calls and bank texts

If the phone has one slot and you insert a local card, your home SIM ends up in your wallet. You will not get the call from work, the bank's confirmation code or the airline's text about a schedule change. For many people this is the main argument against a physical card.

With an eSIM the home SIM stays put. In settings you assign the eSIM to mobile data and keep the home line for calls and texts. Incoming texts in roaming are free with most carriers and incoming calls often are too. The one essential step is to switch off mobile data for the home line so apps do not pull traffic at roaming rates. The setup is explained in how eSIM works.

When a physical SIM is still the better deal

When an eSIM is clearly better

Safety and risks

An eSIM cannot be pulled out of a stolen phone and put into another to receive your texts, which is a plus. The minus shows up when the phone breaks: the profile stays inside and has to be obtained again on the new device, and most travel profiles are single-use. A physical card can be moved to any phone but is just as easy to lose or damage while removing it.

For a home number the risk is the same either way: recovery at the carrier with ID. For travel data it is easier to buy a new package for a few dollars than to hunt for a carrier store in a foreign country.

How to combine both

The best setup for most travellers: your home physical SIM for calls and texts plus a travel eSIM for data. If you are going for a long time, add a local physical card in the first days and use a 1–3 GB eSIM as a bridge while you find a store and register. That way you are never offline at the airport and never overpay for a month.

Bottom line

For a typical tourist trip of one to three weeks the eSIM wins on price, time and convenience and lets you keep your home number. A physical SIM is justified for long stays in one country, when you need a local number, and on old phones. If your phone supports eSIM, the easiest start is the page for your destination, for example eSIM for Turkey or eSIM for Thailand: the QR code arrives two minutes after payment.

FAQ

Can I switch between an eSIM and a physical SIM on the same phone?

Yes, if the phone supports dual SIM. Both lines are active at once: in settings you choose which handles data and which handles calls and texts. Switching takes seconds and needs no restart.

Is an eSIM as fast as a regular SIM?

Yes. Speed and coverage depend on the carrier's network and your phone, not on the type of SIM. An eSIM and a physical SIM on the same carrier in the same spot perform identically.

Which is more reliable, an eSIM or a physical card?

An eSIM cannot be lost, damaged or pulled out of a stolen phone; it is soldered to the board. But if the phone itself breaks, the profile stays inside it and must be obtained again on the new device.

How much does a local SIM card cost at the airport?

In Turkey a tourist package at a carrier desk costs roughly $40–80, in Thailand about 300–600 baht for a week, in the UAE from a few dozen dirhams. All require a passport and often a queue. An eSIM for the same data is usually 2–5 times cheaper.

Do I need a passport to buy an eSIM?

Usually not: a travel eSIM is bought online with just an email address. Local SIM cards in most countries are sold with passport registration.

Can I get a refund for unused data?

Neither eSIMs nor local SIM cards refund unused data. The difference is that an eSIM is easier to buy in the right size: packages start at 1 GB for 7 days.

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