Usims eSIM – Review & Full Test 2026

🌍

Countries covered

120 countries

💶

Starting at

1,84 €

📊

Data

1 GB – 10GB

❌

Calls/SMS

No

A single USIMS eSIM can cover over 120 countries, avoiding changing cards or profiles at every border.

New users enjoy a free trial with 1 GB of data for the United States and Europe before purchasing additional plans.

Plans are mainly data-only, sold by country or region, with a standard validity of 10 days per plan.

Plan prices start at about $2, making it an affordable option for small data needs.

Everything is managed from the app (purchase, installation, activation, usage tracking), without QR codes or physical stores.

USIMS is especially suited for travelers who want to keep their main number while using local data.

Official ratings

Destinations & coverage

By region

Key points

✅

Advantages

  • ✓ Coverage in over 120 countries with a single eSIM, convenient for multi-destination travels.
  • ✓ Free trial including 1 GB of data for first users, useful to test the service before buying.
  • ✓ Guided installation and activation process within the app, without QR codes or complicated technical steps.
  • ✓ Ability to keep your physical SIM card for calls and SMS and use USIMS for data only.
  • ✓ Data plans sold starting at small volumes, suited to tight budgets or short stays.
  • ✓ Support accessible through the app and email, with an integrated automated assistant for quick help.
⚠️

Disadvantages

  • ✗ Service limited to mobile data, no phone numbers or classic calls or SMS included.
  • ✗ Standard 10-day validity per plan may be inconvenient for very long stays without successive top-ups.
  • ✗ Detailed list of partner networks and available speeds is not clearly stated.
  • ✗ Some countries or regions are not covered despite the overall promise of more than 120 destinations.
  • ✗ Some online reviews mention device compatibility problems or user experience issues.

Customer reviews

Google Play

5/5

“

I found the eSIM very easy to use, affordable, and reliable during my trip, I recommend it to travelers wanting to avoid classic roaming.

April 1, 2026

Google Play

5/5

“

Quick installation and working well so far, the connection was enough for browsing, messaging, and some internet calls.

April 1, 2026

Google Play

4/5

“

Practical app to stay connected on the go, but you should check phone compatibility first to avoid unpleasant surprises.

March 1, 2026

Description

USIMS is a travel eSIM provider that allows you to stay connected in over 120 countries with a single eSIM, without changing a physical SIM card. New users benefit from a free trial with 1 GB of data for the United States and Europe, then can purchase local, regional, or global plans directly in the app starting at about €2 (around €1.84). Each plan is usually valid for 10 days, with various data volumes (1 to 10 GB) depending on the country. USIMS is aimed at travelers who want to avoid roaming charges while keeping their main number active thanks to dual SIM.

How it works

From the App Store or Google Play, install the USIMS: Global eSIM for Travel app on a compatible eSIM smartphone.

Open the app, log in with your mobile number or WhatsApp, then let the app verify if your phone is eSIM compatible.

Follow the app instructions to activate the free USIMS eSIM on your device, staying connected to Wi-Fi throughout the process.

From the main screen, select your destination country or region, check available plans, and choose the desired data volume.

Confirm payment directly in the app using Apple Pay, Google Pay, or a credit card.

Tap INSTALL SIM in the app, accept installation in your phone settings, then activate the USIMS line for mobile data.

Upon arrival, ensure the USIMS line is activated, data roaming is allowed, and the eSIM is selected as the data source.

Alternatives

FAQ

For a few days in Europe, a local plan of 5 to 10 GB valid for 10 days in the visited country is usually enough for GPS navigation, messaging, and some streaming.

USIMS does not specify a general restriction on tethering, but tethering usage often depends on local network policies, so it is advisable to test and monitor consumption.

USIMS works with most recent smartphones equipped with eSIM, like many iPhone, Samsung Galaxy, Google Pixel models, and some other Android models; the app automatically detects compatibility during registration.

No, USIMS provides data-only eSIMs, with no phone number, voice calls, or SMS included; you must keep your main SIM card or use messaging apps over the internet.

Prices are displayed in US dollars and vary by region and data quantity; initial plans start around $2, with payment done directly in the app.

Yes, the eSIM has unlimited validity as long as it is not deleted from the device; you can simply buy new data plans for new trips.

The app’s main screen shows your active plans and remaining data, and purchase history is available via the history icon in the app.

You can use the Contact section in the app to send a message with your email address, or write directly to [email protected] for assistance.

Company info

Legal name: Wone Sagl

Address: Mendrisio, Switzerland

Email: [email protected]

Website: https://usims.com

Support

24/7

Accepted payments

Apple Pay, Google Pay, Credit Card

MyBestSim
Logo

Affiliate disclosure: MyBestSim uses affiliate links. If you purchase through our links, we may earn a commission — at no extra cost to you. This doesn't affect our rankings, which remain fully independent.