Japan eSIM — reviews & details
Japan 3GB 15Days (IIJ) · 3 GB · 15 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Sri V.
UAE · Feb 2026
Installed in minutes by scanning the QR code. Topping up was straightforward when I needed more. Exactly as described — no surprises.
Anna
GotoeSIM Support
· 6 months ago Cheers, Sri! So pleased it saved you from roaming bills. Come back anytime! — Anna
Haruto P.
United States · Feb 2026
Used this on my trip and it worked perfectly. Customer support answered my question quickly. Great experience overall.
Yuki
GotoeSIM Support
· 6 months ago Really appreciate this, Haruto! So happy the Japan eSIM kept you connected. We're here whenever you travel again. — Yuki, eSIM TopUp Support
Emma C.
UAE · Feb 2026
Installed in minutes by scanning the QR code in Japan. Topping up was straightforward when I needed more.
Anna
GotoeSIM Support
· 6 months ago Thanks a lot, Emma! Delighted the speeds worked well for you. – Anna 💜
Kenji H.
Canada · Feb 2026
Installed in minutes by scanning the QR code. Ran hotspot to my laptop with no issues.
Mark
GotoeSIM Support
· 6 months ago Thanks for sharing, Kenji! So pleased it saved you from roaming bills. Enjoy your journeys! – Mark, eSIM TopUp Support
Ji-woo F.
Egypt · Jan 2026
Bought it the night before my flight — smooth process. Signal held up well on trains and in rural areas. Would definitely buy again.
Diego
GotoeSIM Support
· 6 months ago Cheers, Ji-woo! So happy the Japan eSIM kept you connected. — Diego, eSIM TopUp Support
Daniel F.
Thailand · Jan 2026
Installed in minutes by scanning the QR code. Signal held up well on trains and in rural areas.
James
GotoeSIM Support
· 6 months ago Thank you so much, Daniel! Love that you were online the moment you landed in Japan. — James, eSIM TopUp Support
Priya M.
Japan · Jan 2026
Used this on my trip and it worked perfectly in Japan. Ran hotspot to my laptop with no issues.
Sophie
GotoeSIM Support
· 6 months ago Thanks for sharing, Priya! Thrilled it made staying connected effortless. We're here whenever you travel again. – Sophie, eSIM TopUp Support
Ryan K.
Germany · Jan 2026
Used this on my trip and it worked perfectly in Japan. Ran hotspot to my laptop with no issues. Great experience overall.
Priya
GotoeSIM Support
· 6 months ago So glad to hear this, Ryan! So happy the Japan eSIM kept you connected. — Priya, eSIM TopUp Support
Lucia S.
Ireland · Jan 2026
Exactly what I needed for travelling. Setup instructions in the app were clear and simple. Five stars from me.
Omar
GotoeSIM Support
· 6 months ago Thanks for sharing, Lucia! So pleased it saved you from roaming bills. Come back anytime! — Omar, eSIM TopUp Support
Ava G.
South Korea · Jan 2026
Great value compared to roaming charges. The QR code arrived instantly by email. Zero regrets.
Priya
GotoeSIM Support
· 6 months ago Really appreciate this, Ava! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – Priya 💜
Thomas T.
Netherlands · Jan 2026
Installed in minutes by scanning the QR code. Data lasted the whole trip with room to spare. Made staying connected effortless.
Laura
GotoeSIM Support
· 6 months ago Thanks for sharing, Thomas! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Laura
Somchai S.
Malaysia · Jan 2026
Used this on my trip and it worked perfectly. Activation was automatic when I arrived. Great experience overall.
Ken
GotoeSIM Support
· 6 months ago Really appreciate this, Somchai! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Ken, eSIM TopUp Support
Nadia S.
Malaysia · Jan 2026
Connected the moment I landed in Japan. Streaming and video calls worked without buffering.
Sophie
GotoeSIM Support
· 6 months ago Cheers, Nadia! Great to know the setup was quick and easy. We're here whenever you travel again. – Sophie 💜
Camila T.
United States · Jan 2026
Used this on my trip and it worked perfectly. Activation was automatic when I arrived.
David
GotoeSIM Support
· 7 months ago Cheers, Camila! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! – David 💜
Nadia T.
Germany · Jan 2026
Super easy to set up before I flew out in Japan. Setup instructions in the app were clear and simple.
David
GotoeSIM Support
· 7 months ago Thanks for sharing, Nadia! Great to know the setup was quick and easy. We're here whenever you travel again. — David, eSIM TopUp Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 3GB 15Days (IIJ) plan costs $2.55 for 3 GB over 15 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 eSIM TopUp 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
Budi L. · 1 week ago
Does this work on an iPhone 13?
Sri M. · 3 weeks ago
Will this keep my WhatsApp active with my home number?
Andre D. · 3 months ago
Can I use it in nearby countries too?
Min-jun G. · 4 months ago
Can I top up the same eSIM instead of buying a new one?
Ava S. · 4 months ago
Is roaming charged extra or is it all included?
Emma T. · 4 months ago
Does the validity start on purchase or on first use?
Ravi W. · 5 months ago
Can I use this for hotspot/tethering?
Sofia H. · 6 months ago
Great guide, the setup steps were really helpful.
Lucas G. · 9 months ago
Is 5G supported or just 4G?
Mei N. · 9 months ago
Which networks does this connect to?
Omar P. · 9 months ago
Do I need to install it before I travel or after I arrive?
Olivia D. · 1 year ago
How long does the QR code take to arrive after payment?