Japan eSIM — reviews & details
Japan 500MB/Day (IIJ) · 500 MB/day · 1 days
176 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Max F.
Japan · Apr 2026
No more hunting for a SIM card kiosk on arrival. Data lasted the whole trip with room to spare.
Anna
GotoeSIM Support
· 5 months ago Cheers, Max! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Anna 💜
Aisha K.
Malaysia · Apr 2026
Solid overall, just wish there was a bit more data for the price.
Sophie
GotoeSIM Support
· 5 months ago Thanks for the honest feedback, Aisha. Glad it mostly worked for you in Japan — we're always improving our coverage. Any questions, our team is at gotoesim.com/support. – Sophie 💜
Sven W.
Thailand · Apr 2026
Saved me a fortune on my holiday. Speeds were solid for maps, messaging and browsing. Telling my friends about this.
Ingrid
GotoeSIM Support
· 5 months ago Cheers, Sven! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Ingrid 💜
Grace G.
Indonesia · Apr 2026
Good coverage in the city, a bit patchy in remote areas.
James
GotoeSIM Support
· 5 months ago Apologies for the trouble, Grace. We'd love the chance to make this right. Reach our team at gotoesim.com/support so we can help right away. — James
James M.
Brazil · Apr 2026
Bought it the night before my flight — smooth process. Customer support answered my question quickly. Will use GotoeSIM for my next trip for sure.
Sophie
GotoeSIM Support
· 5 months ago Thank you for the kind words, James! Great to know the setup was quick and easy. — Sophie
Thomas W.
Ireland · Mar 2026
First time using an eSIM and it was painless in Japan. I kept my normal number for calls while using this for data. Zero regrets.
Yuki
GotoeSIM Support
· 5 months ago So glad to hear this, Thomas! Delighted the speeds worked well for you. — Yuki, GotoeSIM Support
Lucas G.
Mexico · Mar 2026
Decent speeds, though slower than I expected in a few spots. The QR code arrived instantly by email.
Grace
GotoeSIM Support
· 5 months ago Apologies for the trouble, Lucas. We'd love the chance to make this right. Please contact us at gotoesim.com/support and we'll sort it out. – Grace, GotoeSIM Support
Haruto B.
Switzerland · Mar 2026
Bought it the night before my flight — smooth process. Ran hotspot to my laptop with no issues. Telling my friends about this.
Anna
GotoeSIM Support
· 5 months ago So glad to hear this, Haruto! Great to know the setup was quick and easy. We're here whenever you travel again. – Anna 💜
Giulia V.
UAE · Mar 2026
Super easy to set up before I flew out. Setup instructions in the app were clear and simple.
Priya
GotoeSIM Support
· 5 months ago So glad to hear this, Giulia! So happy the Japan eSIM kept you connected. Come back anytime! — Priya, GotoeSIM Support
Viktor C.
South Korea · Mar 2026
Super easy to set up before I flew out. Coverage was strong even outside the city. Exactly as described — no surprises.
Emma
GotoeSIM Support
· 5 months ago Thanks for sharing, Viktor! Thrilled it made staying connected effortless. We're here whenever you travel again. — Emma
Zoe M.
United States · Mar 2026
Install took me two tries but was fine after that. Activation was automatic when I arrived.
James
GotoeSIM Support
· 5 months ago Thank you for taking the time, Zoe. We're constantly optimising speeds and coverage across Japan. Any questions, our team is at gotoesim.com/support. – James, GotoeSIM Support
Louis C.
Poland · Mar 2026
Great value compared to roaming charges. Topping up was straightforward when I needed more. Exactly as described — no surprises.
Diego
GotoeSIM Support
· 5 months ago Thank you so much, Louis! So happy the Japan eSIM kept you connected. Wishing you many more connected adventures! — Diego
Yuki D.
Egypt · Mar 2026
Decent speeds, though slower than I expected in a few spots.
Yuki
GotoeSIM Support
· 5 months ago Apologies for the trouble, Yuki. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. — Yuki
Lucas R.
Netherlands · Mar 2026
Connected the moment I landed. Activation was automatic when I arrived.
Grace
GotoeSIM Support
· 5 months ago So glad to hear this, Lucas! Delighted the speeds worked well for you. Come back anytime! – Grace 💜
Ethan H.
Japan · Mar 2026
Great value compared to roaming charges. Ran hotspot to my laptop with no issues. Exactly as described — no surprises.
Diego
GotoeSIM Support
· 5 months ago Cheers, Ethan! Wonderful to hear it worked smoothly in Japan. – Diego, GotoeSIM Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 500MB/Day (IIJ) plan costs $0.80 for 500 MB/day over 1 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
James B. · 4 weeks ago
Is 5G supported or just 4G?
Hi James! Our Japan eSIM plans support both 4G and 5G, depending on your device and local network availability. Just make sure your phone is eSIM-compatible and unlocked for the best experience. Enjoy your travels! – Mark, GotoeSIM Support
Lucia R. · 2 months ago
Thanks, installed with no problems on my Samsung.
Yes Lucia, recent Samsung Galaxy models support eSIM — add it under Settings › Connections › SIM manager. – Emma, GotoeSIM Support
Noah C. · 2 months ago
Will this keep my WhatsApp active with my home number?
Your number stays active for WhatsApp, Noah! The eSIM just handles data. – David, GotoeSIM Support
Ji-woo C. · 2 months ago
Is 5G supported or just 4G?
Yes Ji-woo, 5G is supported where the local network offers it, otherwise fast 4G. — Laura, GotoeSIM Support
Ravi V. · 8 months ago
Great guide, the setup steps were really helpful.
So glad it helped, Ravi! We're always here if you need anything. — James, GotoeSIM Support
Nadia B. · 9 months ago
Does the validity start on purchase or on first use?
Validity usually starts when you first connect in your destination, Nadia — not at purchase. — Ken
Lea L. · 9 months ago
Can I use this for hotspot/tethering?
Tethering is supported, Lea! Feel free to hotspot to your other devices. — Omar
Mohammed T. · 11 months ago
Which networks does this connect to?
You'll be on top local networks, Mohammed — full details are on the plan page under Coverage. – Anna, GotoeSIM Support
Ravi G. · 11 months ago
Does this work on an iPhone 13?
Yes Ravi, it works on iPhone XS and newer — just add the eSIM under Settings › Cellular › Add eSIM. — Mark, GotoeSIM Support
Sophia M. · 11 months ago
Do I need to install it before I travel or after I arrive?
We recommend installing before you travel, Sophia, then it activates automatically on arrival. – Laura 💜
Ji-woo V. · 1 year ago
How long does the QR code take to arrive after payment?
Your QR code arrives instantly, Ji-woo — within seconds of payment, by email and in your account. – Diego 💜
Elena P. · 1 year ago
Is roaming charged extra or is it all included?
Roaming is included in the plan, Elena — no extra charges, it's all prepaid. – Ingrid 💜
Sofia M. · 1 year ago
Can I top up the same eSIM instead of buying a new one?
Yes Sofia, you can top up the same eSIM anytime — no need to buy a new one. – Sophie, GotoeSIM Support