An eSIM (embedded SIM) is a virtual SIM card that is built directly into your device, such as a phone or a smartwatch. Unlike traditional SIM cards, which are small plastic cards containing a chip, eSIMs do not require any physical insertion or removal.

One of the most significant advantages of eSIMs is the ease of switching between mobile operators, eliminating the need to physically change SIM cards. With an eSIM, you can simply download and activate a new mobile plan directly on your device.

A travel eSIM is designed for use by travellers, holidaymakers or digital nomads during vacations or extended stays abroad. Unlike physical SIM cards, which require you to either purchase a local SIM or incur expensive roaming fees, often resulting in hefty bills, an eSIM offers a more convenient alternative.

With a physical SIM, you would need to remove your home SIM card to insert the local one, which can be a hassle, especially at crowded airport shops that may be closed when you arrive.

With an eSIM, there’s no need to swap cards. You enable the eSIM profile in your phone’s settings after purchasing it.download and activate a new mobile plan directly on your device.

Traditional SIM: A physical plastic card that you hold in your hand and can insert into your device. SIM cards have come in three sizes: mini, micro, and nano. And today, the majority of users utilise nano SIMs.

eSIM: A chip that is soldered inside your device. eSIM profiles (sometimes referred to as “eSIM cards”) are managed digitally, allowing for installation, activation, and switching between profiles directly within your phone’s settings.

When purchasing a phone, check the specifications or ask the seller if it supports eSIM. Many modern devices are compatible, including the iPhone XR and newer models, the Samsung Galaxy S20+ and later models, and the Google Pixel 3 and later models.

You can often find a white sticker on the box that displays a QR code and IMEI number for eSIM activation, indicating that the device supports eSIM.

Yes, many phones support dual-SIM mode, allowing you to use one eSIM and one physical SIM simultaneously. You can keep your home plan on the physical SIM and use the eSIM for data while travelling abroad. Before your trip, switch your data connection to the travel eSIM in the settings.

Most travel eSIM packages today are data-only, so it’s essential to read the product description carefully. Some providers, such as Airalo, ETravelSIM, Nomad, and OneSimCard, offer voice and SMS services in specific plans.

Most mobile operators worldwide offer eSIM products to their customers. The methods for purchasing eSIMs vary depending on the operator and your device. Some providers allow you to activate the eSIM through their app or website, while others may require you to visit a store or call customer service.

Tips Before Buying

1. Ensure that your phone supports eSIM technology.
2. Compare prices across different providers, as they can vary significantly.
3. Be aware of which plans are data-only and which include calls and SMS. Additionally, check the validity period of the plan.

Follow these instructions:

1. Purchase your desired eSIM plan online.
2. Download the provider’s app or scan the QR code provided.
3. Install the eSIM profile in the settings of your phone.
4. Activate the eSIM when you arrive at your destination, or on Wi-Fi beforehand.
5. Monitor your data usage using the app.

Yes, you need an internet connection to download and install the eSIM profile. It’s best to do this over Wi-Fi before you depart so you have data as soon as you land.

The main advantages of eSIM include instant setup, which eliminates the need for a physical SIM swap. Users can easily switch between multiple profiles and operators directly in their device settings. eSIM also offers dual-SIM convenience, allowing your home SIM to remain active for calls and SMS. Additionally, eSIM is widely compatible, supported by major phone manufacturers.

This guide features a comprehensive reference list of leading eSIM providers. Each provider’s name is linked to its detailed profile, where you can access in-depth reviews, setup instructions, and exclusive promotional codes.

Founded in 2019, Airalo is the world’s first eSIM marketplace, catering to over 20 million users with instant, fully digital eSIM plans available in more than 200 countries and regions. Through its iOS and Android apps, as well as its website, travellers can quickly purchase and install prepaid local, regional, or global data packages without the need for a physical SIM swap.
Plans are available in various sizes, ranging from small, short-term bundles (such as 1 GB for 7 days) to larger, multi-country or unlimited options, some of which include voice and SMS support.
Airalo also offers a loyalty program called “”Airmoney,”” which rewards users with cash back, making it a preferred choice for frequent travellers seeking convenience, flexibility, and extensive coverage.

As of 2025, they accept payments in more languages and currencies than any other eSIM provider.

• Link to the profile

• Link to the Airalo Guide

• Link to Airalo website

Esimatic offers affordable global and regional eSIM data plans starting at just $0.46 per GB, allowing you to connect in over 200 countries without the need to swap physical SIM cards.

Their all-in-one mobile app enables you to purchase plans instantly, install a QR code, and activate your service seamlessly. This is ideal for travellers seeking prepaid data that is valid for up to six months, all with the flexibility of no contracts.

• Link to the profile

• Link to Esimatic Guide

• Link to Esimatic website

ETravelSIM provides unlimited data eSIM plans that cover over 150 countries, with daily rates starting at approximately $3.50. Customers can enjoy instant activation after purchase through the ETravelSIM website or app.

Backed by Matrix Cellular’s extensive experience in global connectivity, ETravelSIM offers unlimited high-speed data (subject to fair-use policies), keeps your existing phone number active, and provides 24/7 support via chat and WhatsApp.

• Link to the profile

• Link to ETravelSIM Guide

• Link to ETravelSIM website

Founded in 2017 and headquartered in Dublin, Holafly offers unlimited data prepaid eSIM plans in over 190 countries. Their plans are tailored for trips ranging from 1 to 90 days and provide coverage on major networks.

The user-friendly app, available for both iOS and Android, allows for one-tap installation. With transparent pricing and reliable support, Holafly is a top choice for travellers who prioritise unlimited data and a straightforward onboarding process.

• Link to the profile

• List to Holafly Guide

• Link to Holafly website

Keepgo offers prepaid “lifetime” data eSIM bundles that remain valid indefinitely until you choose to refill. These bundles are available in over 150 countries and through more than 500 network partnerships, all at wholesale pay-as-you-go rates with no expiration dates or monthly fees.

Compatible with any eSIM-capable device, Keepgo’s plans include global, regional (such as North America, Europe), and single-country options. Additionally, they provide free downloadable eSIM profiles and flexible top-ups that never expire.

• Link to the profile

• List to Keepgo Guide

• Link to Keepgo website

Nomad provides competitively priced eSIM plans for local, regional, and global use in over 200 destinations. Their data allowances range from 1 GB for 7 days to larger regional bundles, with basic plans starting at approximately $4.50.

The user-friendly mobile app allows for easy installation via QR code or one-tap activation, with instant connectivity upon arrival. Additionally, the app offers simple add-ons, referral discounts, and periodic promotions to help budget-conscious travellers save even more.

• Link to the profile

• List to Nomad Guide

• Link to Nomad website

OneSimCard, which has been operating since 2007 out of Massachusetts, offers pay-as-you-go international cellular service using both physical SIMs and eSIMs. The service covers over 200 countries for data, calls, and SMS without requiring monthly contracts.

The eSIM option can run alongside your existing SIM, supports dual-SIM switching, and provides European-based numbers along with optional U.S. or other country numbers for global connectivity.

• Link to the profile

• List to OneSimCard Guide

• Link to OneSimCard website

Saily, backed by Nord Security, offers secure, ad-blocking eSIM data plans that come with built-in privacy features, including virtual locations and web protection. The service covers over 200 destinations with pay-as-you-go rates starting at $1.99 per GB.

Users appreciate the app’s intuitive design, the ability to activate global plans instantly, and the sustainable “one-eSIM-for-all-trips” model, which allows them to add new countries without needing to reinstall eSIM profiles.

• Link to the profile

• List to Saily Guide

• Link to Saily website

SimCorner is an Australian-founded travel tech shop that offers prepaid eSIM and physical SIM plans for over 200 destinations, with prices starting at AU$5. They provide a Price Beat Guarantee to ensure competitive rates. Their online store and mobile app feature region- and country-specific filters, instant activation QR codes, 24/7 customer support, and a money-back guarantee, making them an ideal one-stop shop for travellers seeking both data-only and voice/SMS eSIM options.

• Link to the profile

• List to SimCorner Guide

• Link to SimCorner website