Simsima Review 2026 - Is Simsima's eSIM reliable?
At a glance
Reviews & ratings
Pros & cons
👍 What we like
- ✓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.
👎 What we like less
- ✗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.
What is Simsima?
What is Simsima?
Simsima is a travel eSIM provider that allows you to buy a virtual SIM card online to stay connected abroad without having to insert a physical card. The eSIM installs directly on the chip of your compatible smartphone and gives you access to mobile data in over 200 countries, with 4G or 5G speeds depending on partner networks.
The platform offers different types of plans, including local data packages for a single country, regional plans for several neighboring destinations, and multi-country packs for long trips. Some plans offer unlimited data options or high volumes for streaming and remote work. Everything is managed online, from purchase to activation, usually without the need to provide an ID.
Simsima’s goal is to reduce roaming fees and simplify connectivity while traveling: choose a plan, receive the eSIM profile digitally, install it, then activate data upon arrival. The service highlights a fast and seamless experience for occasional travelers as well as digital nomads.
Plans overview
Countries covered by Simsima
Coverage broken down by region. Tap a region to see its countries.
Our verdict
Simsima is a travel eSIM provider covering over 200 destinations, with instant activation and payment by card or crypto to stay connected abroad without a physical SIM card.
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Frequently asked questions
No, Simsima is not a scam: it is a reliable, well-known eSIM with a 4/5 rating in our test and access to local 4G/5G networks (speed depends on local coverage). Just make sure your phone is eSIM-compatible before buying.
Simsima covers many destinations. Availability and network quality depend on the destination and the local partner operator: check that your travel country is covered before buying.
The main downsides we found in our test: 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 and Requires a compatible eSIM smartphone, excluding older models.
It depends on your destination and budget: Simsima scores 4/5 in our test, but the best value changes by country. Compare current deals in our comparator before choosing.
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.