DuaSim Review 2026 - Is DuaSim's eSIM reliable?
At a glance
Reviews & ratings
Excellent eSIM app! Internet connection worked perfectly throughout my trip in Malta. Quick and easy setup, stable and reliable speed.
Simple and efficient for travel eSIM, activation in seconds without hassle.
Good overall experience, stable data in Europe, responsive support.
Pros & cons
👍 What we like
- ✓Ultra-fast and intuitive installation via the app.
- ✓Wide range of flexible data plans by country or region.
- ✓Multiple secure payment methods, no contract required.
- ✓Reliable coverage in popular areas like Europe and Asia.
- ✓Compatible with recent eSIM-enabled smartphones.
👎 What we like less
- ✗Relatively new app with few user reviews.
- ✗The list of covered countries is not publicly exhaustive.
- ✗Variable speeds depending on local partner operators.
- ✗Requires an eSIM-compatible device, excluding older models.
What is DuaSim?
What is DuaSim?
DuaSim is an eSIM platform providing instant data connectivity for travelers in over 200 countries without a physical SIM card. The eSIM installs digitally on your compatible smartphone, keeping your primary SIM for calls and SMS.
It offers local, regional (Europe, Asia...), and global plans with flexible data and on-arrival activation. The app lets you purchase, manage, and track eSIMs easily and securely via Stripe.
Plans overview
Destinations covered by DuaSim
Coverage broken down by region. Tap a region to see its countries.
Our verdict
DuaSim is your ideal eSIM companion to stay connected while traveling in over 200 countries without a physical SIM or high roaming fees. Instant activation through the app, flexible plans, and reliable global coverage.
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Frequently asked questions
No, DuaSim is not a scam: it is a reliable, well-known eSIM with a 4.2/5 rating in our test, coverage across 200 destinations and access to local 4G/5G networks (speed depends on local coverage). Just make sure your phone is eSIM-compatible before buying.
DuaSim covers more than 200 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: Relatively new app with few user reviews, The list of covered countries is not publicly exhaustive, Variable speeds depending on local partner operators and Requires an eSIM-compatible device, excluding older models.
It depends on your destination and budget: DuaSim scores 4.2/5 in our test, but the best value changes by country. Compare current deals in our comparator before choosing.
Choose a regional Europe plan (over 39 countries) with 5-10GB for short city stays, or more for longer trips.
Yes, on most plans, tethering is allowed except for some unlimited plans; check specific conditions by destination.
iPhone XS and later models, Google Pixel 3 and later, Samsung Galaxy S20 and later, as well as recent eSIM-compatible Android devices; a guide is available in the app.
Refund policy depends on purchase; contact 24/7 support promptly for any technical issues.
Yes, on dual SIM devices, you can use the eSIM for mobile data and your personal SIM for calls and SMS.
You can track your usage in real-time via the DuaSim app or your phone settings.
DuaSim partners with local 4G and 5G operators in each country to ensure the best possible coverage.