At the first stop on the trip in Kyoto, Ubigi worked perfectly. And then in Osaka, the service was excellent. Honestly, my first choice was airalo due to its cheaper value. However, Airalo failed to sign on two attempts.
Claudia, 12 Apr 2026
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Great service, ease of use and value
Was recommended this provider. Managed to navigate website and app, followed instructions and it worked perfectly! Fantastic value for money, came a bit unstuck when changing from Japan to Hong Kong - my mistake, I had bought a country eSIM rather then a continent eSIM, so had to get new one for HK, but with good instructions and help from the help robot I sorted it quickly. Going to USA next month so will use eSIM plan instead of providers roaming plan.
Jenny Fereday, 12 Apr 2026
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Super simple to buy and install and activate
Super simple to buy and install.
Activation in Japan was instantaneous and coverage throughout Tokyo, Osaka, Kyoto, Nara, Hiroshima (including Miyajima island) and Fujinomiya excellent
Kirsten, 12 Apr 2026
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Great for google maps/emails and…
Great for google maps/emails and YT/spotify
For some reason very patchy call through via Whatsapp call - but this maybe an app issue rather than Ubigi's connection.
SH, 12 Apr 2026
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Uninterrupted connection
Using Ubigi's esim service is truly convenient. It is easy to activate upon arrival at the airport of my destination. I did not experience any downtime while service is activated. There are also several options available and several countries covered.
JCS, 12 Apr 2026
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Ubigi in Tokyo
We were in Tokyo. it has worked great with Ubigi. Very satisfied
MJ, 12 Apr 2026
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It worked straight off
It worked straight off. No problems
customer, 12 Apr 2026
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Excellent coverage through out Japan
Excellent coverage through out Japan. With the package that we chose,$32 for 15 days unlimited, there was no need to connect to WiFi!
Happy customer, 12 Apr 2026
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So easy to use with great options
So easy to use with great options. Have used before and will use again.
Sandy, 12 Apr 2026
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Good connection
Good connection
Natee Masathienvong, 12 Apr 2026
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I used Ubigi on a recent holiday to Japan…
I used Ubigi on a recent holiday to Japan. The whole set up process to install the esim was very straight forward. In addition though there were very clear instructions on sharing the data with my wife's phone via tethering. For the whole time we were in Japan we had no issues with the service. It was excellent and very reliable.
In addition we paid a one day visit to South Korea and used the top up option to add a data allowance for that territory. Again this was easy and straightforward, with no problems on service.
I would absolutely use Ubigi again when travelling and have no problem with recommending their service.
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