What Is an eSIM? Complete Guide for Travelers (2025)
What is an eSIM?
An eSIM (embedded SIM) is a digital SIM card built directly into your smartphone or tablet. Unlike a traditional physical SIM card that you insert and remove, an eSIM is programmed electronically — you download a carrier profile over the internet without ever touching a physical card.
For travelers, this is a game-changer. Instead of hunting for a local SIM card at the airport, swapping out your home SIM (and risking losing it), or paying extortionate roaming fees, you simply purchase an eSIM plan online and install it in minutes.
How does an eSIM work?
When you buy an eSIM plan from a provider, they send you a QR code by email. You scan this QR code in your phone's settings under "Add Mobile Plan" or "Add eSIM." Your device downloads the carrier profile over Wi-Fi, and within minutes you have a working data connection for your destination.
Most modern devices support storing multiple eSIM profiles — typically 5 to 8 on iPhones — so you can have your home SIM active alongside a travel eSIM for any country you are visiting.
Which phones support eSIM?
eSIM is now supported on virtually all flagship smartphones released after 2020. Key compatible devices include:
- Apple iPhone: iPhone XS, XR, and all later models
- Google Pixel: Pixel 3 and later
- Samsung Galaxy: S20 series and later (most models)
- iPad: iPad Pro (2018 and later), iPad Air (3rd gen+)
Important: your phone must be carrier-unlocked. Some phones bought directly from a carrier (especially in the USA) are SIM-locked and cannot use eSIMs from other providers.
eSIM vs physical SIM: which is better for travel?
For most travelers, eSIM wins on convenience. You can purchase and install a plan before you even leave home. There is no risk of losing a tiny SIM card, no need to find a store when you land, and no fumbling with a SIM ejector tool. You can also keep your home number active at the same time.
How much does a travel eSIM cost?
Travel eSIM prices vary significantly depending on the destination and how much data you need. For popular European destinations like Sweden, Netherlands, and Germany, plans typically start from $1–$5 for small data bundles, up to $60+ for unlimited plans covering 30 days.
On eSIMDB.net, you can compare over 600,000 plans from 170+ providers to find the best value for your specific trip.
Ready to find your eSIM?
Use eSIMDB.net to compare plans for your destination. Select your country, filter by data amount, trip length, and budget, then click through to purchase directly from the provider.