Japan eSIM — reviews & details
Japan 10GB 30Days (IIJ) · 10 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Andre G.
Vietnam · Jan 2026
Great value compared to roaming charges. I kept my normal number for calls while using this for data.
Sara
GotoeSIM Support
· 7 months ago Really appreciate this, Andre! Delighted the speeds worked well for you. We're here whenever you travel again. – Sara, eSIM TopUp Support
Carlos L.
Netherlands · Jan 2026
Super easy to set up before I flew out in Japan. Customer support answered my question quickly. Five stars from me.
Tom
GotoeSIM Support
· 7 months ago Really appreciate this, Carlos! So pleased it saved you from roaming bills. — Tom
Somchai H.
India · Jan 2026
Super easy to set up before I flew out. Topping up was straightforward when I needed more. Exactly as described — no surprises.
Ken
GotoeSIM Support
· 7 months ago Really appreciate this, Somchai! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Ken 💜
Min-jun H.
United States · Jan 2026
Connected the moment I landed. Setup instructions in the app were clear and simple.
Diego
GotoeSIM Support
· 7 months ago So glad to hear this, Min-jun! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! – Diego, eSIM TopUp Support
Marco B.
Mexico · Jan 2026
Used this on my trip and it worked perfectly. Signal held up well on trains and in rural areas. Made staying connected effortless.
Sophie
GotoeSIM Support
· 7 months ago Thanks a lot, Marco! Delighted the speeds worked well for you. – Sophie, eSIM TopUp Support
Ingrid P.
New Zealand · Dec 2025
Honestly better than buying a local SIM at the airport. Customer support answered my question quickly. Five stars from me.
Emma
GotoeSIM Support
· 7 months ago Thanks for sharing, Ingrid! Great to know the setup was quick and easy. We're here whenever you travel again. — Emma
Priya S.
Turkey · Dec 2025
No more hunting for a SIM card kiosk on arrival. Streaming and video calls worked without buffering. Five stars from me.
Diego
GotoeSIM Support
· 7 months ago Thank you for the kind words, Priya! So happy the Japan eSIM kept you connected. – Diego, eSIM TopUp Support
Katya W.
Germany · Dec 2025
Used this on my trip and it worked perfectly in Japan. Ran hotspot to my laptop with no issues. Zero regrets.
Omar
GotoeSIM Support
· 7 months ago Really appreciate this, Katya! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Omar 💜
Somchai T.
Portugal · Dec 2025
Saved me a fortune on my holiday in Japan. Customer support answered my question quickly. Will use eSIM TopUp for my next trip for sure.
Yuki
GotoeSIM Support
· 7 months ago So glad to hear this, Somchai! Great to know the setup was quick and easy. – Yuki 💜
Isabella L.
Ireland · Dec 2025
Exactly what I needed for travelling. Streaming and video calls worked without buffering. Made staying connected effortless.
Anna
GotoeSIM Support
· 8 months ago Thank you so much, Isabella! Thrilled it made staying connected effortless. Enjoy your journeys! – Anna, eSIM TopUp Support
Aisha W.
Poland · Dec 2025
Installed in minutes by scanning the QR code. Customer support answered my question quickly. Zero regrets.
Mark
GotoeSIM Support
· 8 months ago Thank you for the kind words, Aisha! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! — Mark
Nadia H.
Poland · Dec 2025
Super easy to set up before I flew out. Signal held up well on trains and in rural areas. Great experience overall.
Tom
GotoeSIM Support
· 8 months ago Thanks for sharing, Nadia! Delighted the speeds worked well for you. We're here whenever you travel again. – Tom, eSIM TopUp Support
Ravi T.
Sweden · Nov 2025
Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing.
Priya
GotoeSIM Support
· 8 months ago Thanks a lot, Ravi! Delighted the speeds worked well for you. We're here whenever you travel again. — Priya, eSIM TopUp Support
Noah H.
United Kingdom · Nov 2025
Bought it the night before my flight — smooth process. Speeds were solid for maps, messaging and browsing.
Sophie
GotoeSIM Support
· 8 months ago So glad to hear this, Noah! Love that you were online the moment you landed in Japan. — Sophie
Yuki F.
United Kingdom · Nov 2025
No more hunting for a SIM card kiosk on arrival. Data lasted the whole trip with room to spare. Telling my friends about this.
Ingrid
GotoeSIM Support
· 8 months ago Thanks for sharing, Yuki! Thrilled it made staying connected effortless. — Ingrid
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 10GB 30Days (IIJ) plan costs $7.05 for 10 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 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
Pablo R. · 1 week ago
How do I check how much data I have left?
Isabella V. · 3 months ago
Does the validity start on purchase or on first use?
Somchai W. · 3 months ago
Do I need to install it before I travel or after I arrive?
Fatima B. · 4 months ago
Can I use it in nearby countries too?
Hana L. · 6 months ago
Great guide, the setup steps were really helpful.
Beatriz C. · 6 months ago
Will this keep my WhatsApp active with my home number?
Viktor P. · 7 months ago
How long does the QR code take to arrive after payment?
Mateo D. · 7 months ago
Can I top up the same eSIM instead of buying a new one?
Pablo G. · 7 months ago
Which networks does this connect to?
Ryan G. · 10 months ago
Is roaming charged extra or is it all included?
Nadia B. · 1 year ago
Is 5G supported or just 4G?
Sven G. · 1 year ago
Does this work on an iPhone 13?