Buy a travel eSIMInstant delivery

Mobile internet while traveling, without physical SIM card or unexpected roaming charges.

  • Works in 16+ countries
  • Bundles from €3,99
  • Delivered instantly by email
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Destinations

Find your destination

Pick a country for instant prices, data bundles and setup details — or cover a whole region with a single eSIM.

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Why holySim

Ready before you travel

Arrange your data bundle in advance and count on personal help whenever you need it.

  • Delivered instantly by email

    In your inbox within 1 minute, ready to use.

  • Secure payment

    Your payment is protected and always encrypted.

  • Helpful support

    Questions? We help quickly and personally.

  • No physical SIM card needed

    Install digitally, without post or a store visit.

€0

roaming

130+

countries

No unexpected roaming costs

Fair prices, without hidden fees.

based on customer reviews

What do travellers think?

HolySIMTraveler Pass
AMSROM

“The QR code was in my email right away. I scanned it at the campsite in Italy and was online within minutes.”

Lisa de Vries

Date
March 2025
HolySIMTraveler Pass
AMSBKK

“Used the same bundle in Thailand, Vietnam and Japan. No local SIM hunt after a long flight.”

Thomas Bakker

Date
February 2025
HolySIMTraveler Pass
AMSJFK

“I had doubts about my device, support confirmed the model and installation was straightforward after that.”

Sophie Janssen

Date
April 2025
How it works

Activate your eSIM in 1-2-3

Arrange your data bundle fully online. Choose, scan and switch mobile data on when you are ready.

  1. 1

    Buy your bundle

    5G1GB3.21
    5G5GB9.49
    5G10GB14.49
    5G20GB24.55

    Choose a data bundle for your destination. Everything is prepaid, with no hidden costs.

  2. 2

    Scan QR code

    Straight to your inbox

    Scan QR code

    Place the QR code inside the frame

    After checkout, your QR code arrives instantly. Scan it with your eSIM-ready device.

  3. 3

    Go online

    Activate eSIM

    Your new eSIM is ready to activate

    Continue

    Follow the steps on your phone and activate your bundle when you need connection.

Need help?

Practical questions

Everything about compatibility, installation and using your eSIM abroad.

Ask support your question

Most recent iPhones, Samsung Galaxy devices and Google Pixels support eSIM. Check the compatibility list and make sure your device is unlocked.

Immediately after payment you receive an email with your QR code, installation instructions and activation information.

Usually the bundle starts when your eSIM first connects to a local network at your destination. Install over Wi-Fi before you travel and activate on your trip.

Yes. Your holySIM eSIM is for mobile data. Your regular SIM can stay active for your own number, calls and messages.

Check Wi-Fi, device compatibility and whether your device is unlocked. If it still does not work, contact support through the link in your order email.

View all questions