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eSIM Clarity

How we test travel eSIMs

Every score on this site comes from plans we bought and used in the country they were sold for. Here is exactly what we do, and what we do not.

  • 14eSIM companies tested
  • 9countries tested on the ground
  • 25test spots per city
  • 3 mobetween retests

The process

  1. 1

    We buy the plan anonymously

    At the normal price, with our own card, from the provider's own app or website.

  2. 2

    We install it at home

    We time the install and note every screen that could confuse a first-time user.

  3. 3

    We switch it on when we land

    We record whether it connects first time, which network it uses, and how long it takes.

  4. 4

    We test at the same 25 spots

    Morning and evening, on two phones side by side, so every eSIM gets the same conditions.

  5. 5

    We contact support with real problems

    Without saying we are reviewers, and we time the first useful reply.

  6. 6

    We score and publish, with dates

    Every result shows when and where we measured it.

  7. 7

    We retest every three months

    Prices and networks change. Old results are replaced, never quietly kept.

How we score

Six things, weighted by how much they matter on a real trip. These are the exact weights the site uses.

ReliabilityWorked first time, kept signal
30%
SpeedMedian download
25%
Price per GBOn the most bought sizes
20%
Plan choice
10%
Ease of setup
10%
Support
5%

Our test setup

Phones

[Exact models and software versions you really use]

Speed test tool

[The app or service you really use]

Countries and cities

[Where you have really tested, with dates]

Where we record results

[How results are logged and kept]

What we do not do

  • −Accept free plans or payment for a review
  • −Copy prices or speeds from providers' websites and call them tests
  • −Let a provider see a review before it is published
  • −Remove a bad result because a provider complained

Method changes

  1. 1 Oct 2026v1.2Added evening speed tests after readers reported slowdowns.
  2. 1 Jul 2026v1.1Support response time added to the score at 5%.
  3. 1 Jun 2026v1.0First published method.