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In this Ubigi eSIM review, we explore how this global provider performs for travelers seeking flexible, data-only plans. Learn about its pricing, coverage, setup, and performance to see if Ubigi is the right fit for your next trip.
The Ubigi eSIM is a digital SIM profile embedded in compatible devices, letting you connect without inserting a physical SIM card.
Activation is simple: purchase a plan in the Ubigi app or on their website, receive a QR code via email, and scan it to install the eSIM profile.
Once installed, the Ubigi eSIM connects automatically to reliable local carriers in your destination, giving you access to 4G or 5G data without paying roaming fees.
Your phone or tablet must be unlocked and eSIM compatible.
Travelers who visit multiple destinations can install more than one Ubigi eSIM plan on a single device.
You can also switch devices by reinstalling the profile or scanning a new QR code, though this may require logging into your Ubigi account.
If you ever need to cancel a purchase or encounter activation issues, you can check how Ubigi’s refund process works before requesting support.
Ubigi is ideal for frequent travelers, digital nomads, and international users who want flexible, data-first connectivity in over 200 destinations. It provides fast activation, global reach, and reliable data service but does not include voice or SMS support and may require a few setup steps depending on the device.
Who it’s for:
Limitations to keep in mind:
Ubigi offers flexible, data-only plans for travelers in more than 200 destinations. Below are examples from some of its most popular countries, including the USA, Japan, South Korea, and France.
| Country | Data and Duration | Price* |
| USA | 10 GB / 30 days | $14 |
| Japan | 10 GB / 30 days | $17 |
| South Korea | 10 GB / 30 days | $19 |
| France | 10 GB / 30 days | $9 |
*Prices and data allowances vary by country and plan duration.
Ubigi offers coverage in more than 200 destinations across North America, Europe, Asia, Oceania, Africa, and the Middle East. Travelers can choose either country-specific plans or regional bundles that cover multiple destinations under one eSIM.
Multi-country and global data bundles are available for users who travel frequently between regions such as Europe, Asia-Pacific, or North America.
Data speeds depend on local infrastructure and partner networks. 5G access is available at no extra cost in supported locations, while 4G/LTE remains the standard elsewhere.
Because of its broad coverage and easy activation, Ubigi is one of the most convenient options for global travelers seeking consistent data connectivity.
Ubigi connects users through trusted local partner networks, ensuring fast and stable mobile data. Each plan automatically connects to one of Ubigi’s partner operators in your destination.
For example, in Japan, Ubigi uses NTT Docomo, one of the country’s largest networks, offering strong 4G and expanding 5G coverage.
Travelers can expect high speeds in cities like Tokyo and Osaka, with dependable service across most regional areas.
Real-world performance varies by location.
Major cities typically provide the best speeds, while rural areas may have reduced coverage due to local network conditions.
Ubigi users are automatically connected to the default local network in each country and cannot manually switch carriers. However, switching between countries or plans is seamless and does not require reinstalling a new eSIM.
Ubigi’s eSIM plans are data-only, providing instant mobile internet access for browsing, streaming, navigation, and communication through apps like WhatsApp or FaceTime. All plans support hotspot and tethering, allowing users to share their data with other devices.
Ubigi eSIMs do not include voice calls or SMS, since no phone number is assigned to the profile. Users who need these features can rely on internet-based calling apps or their primary SIM.
Data priority depends on the local partner network and typically matches local subscriber standards. Ubigi supports 4G and 5G connectivity on most modern eSIM-compatible devices, including iPhones, Samsung Galaxy phones, and Google Pixels.
While Ubigi eSIM profiles can be installed on multiple devices, transferring between phones may require reinstalling a new QR code through your Ubigi account.
Ubigi maintains a 4.1 out of 5 rating on Trustpilot, based on over 28,000 reviews.
The majority of users, with 65% giving five stars, praise Ubigi for its strong connectivity, affordable pricing, and dependable coverage across multiple countries.
Several reviewers note that Ubigi offers reasonable pricing even in less common destinations such as Eswatini and South Africa.
Others highlight the smooth data performance and consistent connectivity once activated, though some mention that the setup process can take a few extra minutes on certain devices or iOS versions.
Travelers also appreciate that the service activates quickly in new regions and provides enough data for hotspot sharing, which is especially useful for family trips.
Overall, the reviews reflect a clear trend: most users are satisfied with Ubigi’s global reach, steady data speeds, and reasonable plan pricing.
While a small portion of users report manual activation or setup issues, the overall sentiment remains highly positive, making Ubigi a reliable and well-rated eSIM choice for international travelers.
Ubigi offers customer support through live chat on its website, email assistance, and a help section in the mobile app. Travelers can contact support for activation help, connection troubleshooting, or data plan questions before or during their trip.
Most users report fast and helpful responses, with questions typically answered within a few hours.
However, feedback varies slightly across platforms. In one Facebook post from a traveler in the Japan Travel group, a user shared frustration over slow or dismissive responses from Ubigi’s customer service after reporting a data-tracking issue.
While this reflects an isolated case, it shows that service quality can depend on timing and issue complexity.
Overall, Ubigi’s support team is generally responsive, clear, and capable, especially when contacted through the live chat or email channels on its official website.
The Ubigi app is available on both iOS and Android, rated 4.6 out of 5 on the App Store and 4.1 out of 5 on Google Play. Most users describe it as a convenient tool for managing data plans while traveling.
Inside the app, users can top up data, view current usage, and check country availability with one tap. The design is clean and minimal, with clear plan listings and a simple dashboard showing your balance and expiration date.
According to user reviews on both stores, the app holds a 4.6-star rating on the App Store (6.6K ratings) and a 4.6-star rating on Google Play (4.7K reviews).
Most travelers highlight fast activation, accurate data tracking, and reliable connectivity, especially in countries like Japan, France, and the US.
However, a few users mention that customer support can be slow to respond, and there is no voice support option, as one reviewer noted on Google Play.
Others say setup on older Android models can take a bit longer than expected, but most still describe the experience as smooth and reliable.
Overall, the Ubigi app offers an easy, all-in-one solution for buying and managing eSIM data while traveling, praised for its user-friendly design and real-time control over mobile connectivity.
If you’re exploring alternatives to Ubigi, several eSIM providers offer comparable or broader global coverage. Options like Holafly, Nomad, Maya, and GigSky provide different strengths in pricing, data flexibility, and activation convenience.
If you’re deciding specifically between Ubigi and Holafly, check our full Holafly vs Ubigi comparison to see which one suits your travel style best.
| Provider | Strengths | Best for | |
| Holafly |  | Affordable regional plans with transparent pricing and flexible top-ups | Travelers needing high data use across multiple countries |
| Maya |  | Unlimited data in many destinations, instant QR code setup, 24/7 support | Travelers seeking budget-friendly data for specific regions |
| Nomad |  | Wide international coverage and flexible data bundles via app | Digital nomads and frequent multi-country travelers |
| GigSky |  | Strong global reach in 200+ countries, reliable connectivity | Travelers who want a simple, all-in-one eSIM solution |
For those considering Airalo, you can also compare their global plans in our detailed Airalo vs Ubigi review.
Compared to these options, Ubigi offers similar worldwide reach but with more emphasis on local network partnerships and consistent 4G and 5G performance.
For short-term or heavy-data travelers, Holafly and Nomad may be more convenient, while Ubigi suits users seeking stable connectivity and balanced pricing across popular destinations.
To buy a Ubigi eSIM, choose your destination and data plan on the Ubigi app or website, complete the purchase, and install the QR code on your eSIM-compatible device.
No, Ubigi eSIM does not change your existing phone number. It simply adds a separate data line while you keep using your original SIM for calls and texts.
No, Ubigi eSIMs are data-only and do not support traditional calls or SMS. You can use messaging apps like WhatsApp or Skype instead.
Yes, Ubigi works well in the United States, offering strong data coverage through local partner networks, though it is still data-only.
Yes, you can install and activate your Ubigi eSIM before travel, but data service usually begins once you reach your destination.
Ubigi is a reliable eSIM provider with wide coverage and easy setup, but the best eSIM depends on your needs for price, regions, and call features.
Yes, Ubigi is a good option for tourists in Japan who need reliable data service, though it does not include calls or text messaging.
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