DuaSim eSIM – Review & Full Test 2026

Item: DuaSim
Rating: 3.4
Author: MyBestSim

🌍

Countries covered

200 countries

💶

Starting at

0,50 €

📶

Network

5G

📊

Data

Starting at 1 GB

❌

Calls/SMS

No

Global coverage in 200+ countries with convenient regional plans.

Instant activation without physical SIM or waiting.

Savings up to 90% vs traditional roaming.

Simple interface, multi-language, and order history.

Compatible with most recent eSIM smartphones.

Official ratings

Google Play

5,0 /5

1 reviews

Destinations & coverage

By region

Key points

✅

Advantages

✓ Ultra-fast activation in seconds via QR code.
✓ Wide choice of flexible and regional plans.
✓ Multiple secure payment methods (cards, Apple/Google Pay).
✓ 24/7 support and intuitive app.
✓ No contracts, pay only for what you need.

⚠️

Disadvantages

✗ Recent app, few user reviews available.
✗ Requires eSIM-compatible device (not all older models).
✗ Coverage/speeds vary by local partner operators.
✗ No calls/SMS included, data only.

Customer reviews

Google Play

5/5

“

Excellent eSIM app! Internet connection worked very well throughout my trip to Malta. Quick installation, stable and reliable speeds.

January 1, 2026

Description

DuaSim offers instant eSIM data plans for over 200 countries and regions, covering Europe, Asia, Americas, Africa, and Oceania. Ideal for tourists, digital nomads, and business travelers, it provides flexible packages from 1GB to unlimited, regional or by country, with activation in seconds without a physical SIM. Compatibility with recent iPhones and eSIM Android, secure payments, and multilingual support make DuaSim a reliable companion to stay connected at low cost worldwide.

How it works

1

Download the DuaSim app

Install from App Store or Google Play on an eSIM-compatible device.

2

Choose your destination

Select country or region and browse available data plans.

3

Select a plan

Choose data volume and duration suited to your trip.

4

Pay securely

Use card, Apple Pay or Google Pay to complete the purchase.

5

Install the eSIM

Scan the QR code received by email/app or install manually.

6

Activate on arrival

Select the eSIM in settings, enable mobile data and roaming.

⚠️ If it fails

❌

Unable to install the eSIM

✅ Check device compatibility (iPhone XS+, recent Android), stable internet connection and carrier unlock. Contact [email protected].

❌

No connection after activation

✅ Activate airplane mode then disable it, select eSIM for data, check roaming. Restart the device.

❌

Excessive data consumption

✅ Monitor usage in app, disable auto-updates and HD streaming.

Alternatives

Escape SIM

Airhub

RedEx

FAQ

What is the best DuaSim plan for a trip to Europe?

Opt for a regional Europe plan with 5-20GB depending on usage, covering multiple countries without changing eSIM.

Is hotspot allowed with DuaSim?

Yes in most cases, but depends on local operators; check plan conditions.

Is my phone compatible with DuaSim?

iPhone XS or newer, Samsung Galaxy S20+, Google Pixel 3+, etc. Check in-app.

Is there a refund if it doesn't work?

Contact support immediately; policy varies, test activation possible before travel.

Can I use my physical SIM with DuaSim?

Yes, keep it for calls/SMS and use DuaSim eSIM for data.

How to recharge or manage my data?

Buy a new plan via app; history accessible for re-downloading QR.

Company info

Legal name: OctoSEC AS

Address: Kristiansand S, Norway

Email: [email protected]

Website: https://duasim.com

Support

24/7

Accepted payments

Credit card, Apple Pay, Google Pay, Stripe