Japan eSIM — reviews & details
Japan 5GB 30Days (IIJ) · 5 GB · 30 days
165 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Ananya M.
India · Apr 2026
Connected the moment I landed in Japan. Data lasted the whole trip with room to spare.
Grace
GotoeSIM Support
· 5 months ago So glad to hear this, Ananya! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Grace, GotoeSIM Support
Noah R.
Brazil · Apr 2026
Saved me a fortune on my holiday in Japan. Streaming and video calls worked without buffering. Great experience overall.
Sara
GotoeSIM Support
· 5 months ago Thanks for sharing, Noah! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Sara, GotoeSIM Support
Min-jun F.
Indonesia · Apr 2026
Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare.
Sophie
GotoeSIM Support
· 5 months ago Thank you so much, Min-jun! Thrilled it made staying connected effortless. Enjoy your journeys! – Sophie 💜
Ravi N.
Poland · Apr 2026
Installed in minutes by scanning the QR code. The QR code arrived instantly by email.
Omar
GotoeSIM Support
· 5 months ago Really appreciate this, Ravi! Great to know the setup was quick and easy. – Omar 💜
Priya W.
Turkey · Apr 2026
First time using an eSIM and it was painless. Speeds were solid for maps, messaging and browsing. Would definitely buy again.
Sophie
GotoeSIM Support
· 5 months ago Cheers, Priya! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Sophie
Daniel M.
Indonesia · Mar 2026
Super easy to set up before I flew out. I kept my normal number for calls while using this for data. Great experience overall.
Mark
GotoeSIM Support
· 5 months ago Thanks for sharing, Daniel! Wonderful to hear it worked smoothly in Japan. Come back anytime! — Mark
Beatriz T.
Ireland · Mar 2026
Exactly what I needed for travelling in Japan. Customer support answered my question quickly. Telling my friends about this.
Sophie
GotoeSIM Support
· 5 months ago Thank you for the kind words, Beatriz! Love that you were online the moment you landed in Japan. We're here whenever you travel again. – Sophie, GotoeSIM Support
Beatriz D.
Thailand · Mar 2026
Great value compared to roaming charges. Signal held up well on trains and in rural areas. Will use GotoeSIM for my next trip for sure.
Anna
GotoeSIM Support
· 5 months ago Thanks a lot, Beatriz! Great to know the setup was quick and easy. Enjoy your journeys! – Anna, GotoeSIM Support
Kenji T.
Switzerland · Mar 2026
No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more.
Priya
GotoeSIM Support
· 5 months ago Really appreciate this, Kenji! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Priya, GotoeSIM Support
Beatriz R.
Philippines · Mar 2026
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering. A must-have for international travel.
Tom
GotoeSIM Support
· 5 months ago Cheers, Beatriz! Love that you were online the moment you landed in Japan. Enjoy your journeys! — Tom, GotoeSIM Support
James C.
Indonesia · Mar 2026
Bought it the night before my flight — smooth process. Customer support answered my question quickly. Great experience overall.
Emma
GotoeSIM Support
· 5 months ago Thank you for the kind words, James! Love that you were online the moment you landed in Japan. Come back anytime! — Emma
Sri K.
Canada · Mar 2026
Honestly better than buying a local SIM at the airport in Japan. Ran hotspot to my laptop with no issues. Telling my friends about this.
Sara
GotoeSIM Support
· 5 months ago Thanks a lot, Sri! So pleased it saved you from roaming bills. We're here whenever you travel again. – Sara 💜
Ava V.
United States · Mar 2026
Installed in minutes by scanning the QR code. Activation was automatic when I arrived in Japan. Highly recommend for any traveller.
James
GotoeSIM Support
· 5 months ago Really appreciate this, Ava! Great to know the setup was quick and easy. — James
Mei B.
Brazil · Mar 2026
Saved me a fortune on my holiday. Speeds were solid for maps, messaging and browsing. Telling my friends about this.
Laura
GotoeSIM Support
· 5 months ago So glad to hear this, Mei! Wonderful to hear it worked smoothly in Japan. — Laura
Lucia B.
France · Mar 2026
No more hunting for a SIM card kiosk on arrival. Streaming and video calls worked without buffering.
Grace
GotoeSIM Support
· 5 months ago Thanks a lot, Lucia! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! — Grace
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 5GB 30Days (IIJ) plan costs $4.32 for 5 GB over 30 days, paid once with no hidden fees.
How do I activate my Japan eSIM?
Scan the QR code in your phone settings (Cellular/Mobile → Add eSIM) or tap Install in the GotoeSIM app. Install on Wi-Fi before your trip; it activates when you arrive in Japan.
Will this eSIM work on my phone?
It works on any eSIM-compatible, carrier-unlocked phone — iPhone XS and newer, Google Pixel 3 and newer, and recent Samsung Galaxy models.
Can I keep my regular number?
Yes. The eSIM runs alongside your normal SIM, so you keep your number for calls and texts while using data in Japan.
Comments & questions
Carlos H. · 2 months ago
How do I check how much data I have left?
You can check remaining data anytime in the GotoeSIM app under My eSIMs, Carlos. — Tom
Liam V. · 3 months ago
Which networks does this connect to?
You'll be on top local networks, Liam — full details are on the plan page under Coverage. — Grace
Liam D. · 3 months ago
Is roaming charged extra or is it all included?
Roaming is included in the plan, Liam — no extra charges, it's all prepaid. — Ken, GotoeSIM Support
Lea K. · 4 months ago
How long does the QR code take to arrive after payment?
Your QR code arrives instantly, Lea — within seconds of payment, by email and in your account. — Mark
Arjun T. · 4 months ago
Do I need to install it before I travel or after I arrive?
Install on Wi-Fi before you fly, Arjun — it switches on when you land. — Omar
James T. · 5 months ago
Is 5G supported or just 4G?
5G is available where covered, James — you'll always get the best speed on offer. — Yuki, GotoeSIM Support
Katya M. · 5 months ago
Does the validity start on purchase or on first use?
Validity usually starts when you first connect in your destination, Katya — not at purchase. – Priya, GotoeSIM Support
Budi T. · 6 months ago
Can I top up the same eSIM instead of buying a new one?
Yes Budi, you can top up the same eSIM anytime — no need to buy a new one. – Mark, GotoeSIM Support
Grace S. · 8 months ago
Great guide, the setup steps were really helpful.
So glad it helped, Grace! We're always here if you need anything. — Diego
Mei V. · 1 year ago
Thanks, installed with no problems on my Samsung.
It works great on modern Samsung phones, Mei! Add it via SIM manager and you're set. – Sara, GotoeSIM Support
Chloe M. · 1 year ago
Can I use it in nearby countries too?
For nearby countries, Chloe, a regional plan may suit you better — happy to help you pick. – James 💜
Grace D. · 1 year ago
Can I use this for hotspot/tethering?
Tethering is supported, Grace! Feel free to hotspot to your other devices. – David, GotoeSIM Support