Simsima eSIM – Review & Full Test 2026

🌍

Countries covered

200 countries

💶

Starting at

3,70 €

📶

Network

5G

📊

Data

Starting at 1 GB

❌

Calls/SMS

No

Coverage announced in over 200 countries, convenient for multi-destination itineraries.

Fully digital activation with instant receipt of the eSIM profile after purchase.

Plans ranging from a few gigabytes to unlimited data depending on countries and regions.

Multi-country packs suitable for long trips or round-the-world tours.

Payment possible by credit card and crypto for more flexibility.

Solution designed to avoid high roaming fees and the hassle of local SIM cards.

Destinations & coverage

By region

Key points

✅

Advantages

  • ✓ Extensive coverage across more than 200 countries, convenient for frequent travelers.
  • ✓ Fast purchase and activation process, entirely online.
  • ✓ Presence of multi-country plans that simplify travel with multiple stops.
  • ✓ Ability to pay in crypto, advantageous for certain user profiles.
  • ✓ No need for a physical SIM card or to visit a store upon arrival.
⚠️

Disadvantages

  • ✗ Limited detailed public information about the company and its history.
  • ✗ Classic calls and SMS are generally not included; messaging apps must be used.
  • ✗ Some countries may offer cheaper local deals than Simsima plans.
  • ✗ Requires a compatible eSIM smartphone, excluding older models.

Description

Simsima is a travel eSIM solution designed for globetrotters who want a simple and fast connection in over 200 countries. The purchase is made online, with instant receipt of the eSIM profile and activation within minutes on most compatible smartphones. The service offers local, regional, and global plans with data options ranging from a few gigabytes to unlimited volumes, as well as multi-country packs for complex itineraries. Payments by credit card or crypto make it a flexible option, particularly suited for regular travelers, digital nomads, and freelancers on the move.

How it works

Check the list of eSIM-compatible devices on the Simsima website and ensure your smartphone is listed.

On the Simsima site, select the country, region, or multi-country pack corresponding to your trip and compare the offered data plans.

Choose the data volume, duration, and, if available, the unlimited option that fits your browsing needs during the stay.

Pay for your eSIM online via credit card or crypto according to the accepted means shown at payment.

After purchase, follow the received instructions (QR code or manual installation) to add the eSIM in your phone settings while connected to Wi-Fi.

Upon arrival at your destination country, activate the Simsima eSIM line in settings and authorize roaming data to start using the internet.

During your trip, monitor your data usage in your phone settings or via your Simsima account information, and recharge if necessary.

⚠️ If it fails

✅ Check that your device is eSIM compatible, ensure you are connected to a stable Wi-Fi network, and follow the installation guide provided by Simsima step by step. If the issue persists, try restarting the phone and then contact support via the site.

✅ Ensure the Simsima eSIM line is selected for mobile data, that data roaming is enabled, and test turning airplane mode on/off. Restarting the smartphone may also resolve the issue.

✅ Reduce the use of high-definition video, disable automatic updates, and limit downloading large files. Monitor your most data-consuming apps and use Wi-Fi when possible.

✅ Check local network coverage, try changing location to get a better signal, and if possible, force the phone to stay on 4G/5G. Restarting the device can also help restore a proper connection speed.

Alternatives

FAQ

For an itinerary covering several European countries, prefer a multi-country pack or a regional Europe plan offered by Simsima to avoid changing eSIMs at each border and keep continuous data connection throughout the trip.

Tethering is generally possible if your phone and the local network allow it, but it may depend on the plan and local partners. It is recommended to test the mobile hotspot on site and check the conditions of the chosen plan.

Simsima works with most recent eSIM-compatible smartphones, such as many models of iPhone, Samsung Galaxy, Google Pixel, and other brands. It is advised to check the detailed device list on the official compatibility page before purchase.

Simsima plans are mainly data-focused and generally do not include classic calls or SMS. To call, it is recommended to use apps like WhatsApp, FaceTime, Telegram, or other VoIP services.

Yes, you can buy your Simsima plan online and install the eSIM profile before departure, as long as you have a Wi-Fi connection. Then just activate the line and mobile data upon arrival at your destination.

If your data runs out, check your customer area to see if a top-up or new plan purchase is possible for the same destination. Meanwhile, consider limiting high-data apps and favor Wi-Fi.

The refund policy depends on Simsima’s general conditions. In case of confirmed malfunction, it is best to contact support as soon as possible, providing screenshots and details about the encountered problem.

Yes, most eSIM-compatible smartphones allow you to keep your physical SIM card for local calls or your main number while using Simsima eSIM solely for data during your travels abroad.

Company info

Website: https://simsima.io

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