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Japan eSIM — reviews & details

Japan 20GB 30Days (IIJ) · 20 GB · 30 days

View plan & buy — $12.30
4.5

620 reviews

5 ★ 64%
4 ★ 28%
3 ★ 7%
2 ★ 1%
1 ★ 0%

Coverage & networks

  • Japan NTT docomo 4G

Traveller reviews

A

Ananya P.

United States · Nov 2024

✓ Verified

No more hunting for a SIM card kiosk on arrival. Coverage was strong even outside the city. Would definitely buy again.

Sophie Sophie GotoeSIM Support · 1 year ago

Thanks a lot, Ananya! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – Sophie 💜

M

Marco V.

Indonesia · Nov 2024

✓ Verified

Did the job without any drama in Japan. Topping up was straightforward when I needed more.

Yuki Yuki GotoeSIM Support · 1 year ago

Thank you for the kind words, Marco! So pleased it saved you from roaming bills. — Yuki, eSIM TopUp Support

R

Ravi G.

Spain · Nov 2024

✓ Verified

Saved me a fortune on my holiday in Japan. Setup instructions in the app were clear and simple. Telling my friends about this.

Ingrid Ingrid GotoeSIM Support · 1 year ago

So glad to hear this, Ravi! Thrilled it made staying connected effortless. — Ingrid, eSIM TopUp Support

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Nadia K.

Australia · Nov 2024

✓ Verified

Honestly better than buying a local SIM at the airport in Japan. Topping up was straightforward when I needed more.

Tom Tom GotoeSIM Support · 1 year ago

Thanks for sharing, Nadia! Wonderful to hear it worked smoothly in Japan. Come back anytime! – Tom 💜

H

Haruto C.

Poland · Nov 2024

✓ Verified

Connected the moment I landed in Japan. I kept my normal number for calls while using this for data. Would definitely buy again.

Omar Omar GotoeSIM Support · 1 year ago

So glad to hear this, Haruto! So pleased it saved you from roaming bills. Enjoy your journeys! — Omar, eSIM TopUp Support

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Thomas M.

Italy · Nov 2024

✓ Verified

Did the job without any drama. I kept my normal number for calls while using this for data. Exactly as described — no surprises.

Mark Mark GotoeSIM Support · 1 year ago

Thanks for sharing, Thomas! So pleased it saved you from roaming bills. We're here whenever you travel again. – Mark 💜

H

Hugo P.

South Korea · Nov 2024

✓ Verified

Did the job without any drama. Streaming and video calls worked without buffering. Great experience overall.

Ken Ken GotoeSIM Support · 1 year ago

Thank you so much, Hugo! Thrilled it made staying connected effortless. – Ken 💜

N

Nguyen W.

United Kingdom · Oct 2024

✓ Verified

Did the job without any drama in Japan. Speeds were solid for maps, messaging and browsing.

Sophie Sophie GotoeSIM Support · 1 year ago

Cheers, Nguyen! Love that you were online the moment you landed in Japan. Come back anytime! – Sophie 💜

Z

Zoe N.

South Korea · Oct 2024

✓ Verified

First time using an eSIM and it was painless in Japan. The QR code arrived instantly by email.

Ken Ken GotoeSIM Support · 1 year ago

Thank you so much, Zoe! Love that you were online the moment you landed in Japan. We're here whenever you travel again. — Ken, eSIM TopUp Support

A

Ananya P.

Poland · Oct 2024

✓ Verified

Installed in minutes by scanning the QR code in Japan. Customer support answered my question quickly. A must-have for international travel.

Sophie Sophie GotoeSIM Support · 1 year ago

So glad to hear this, Ananya! Wonderful to hear it worked smoothly in Japan. – Sophie, eSIM TopUp Support

C

Carlos V.

Ireland · Oct 2024

✓ Verified

Great value compared to roaming charges. Setup instructions in the app were clear and simple. Five stars from me.

Laura Laura GotoeSIM Support · 1 year ago

Thank you for the kind words, Carlos! So pleased it saved you from roaming bills. Enjoy your journeys! – Laura, eSIM TopUp Support

B

Beatriz K.

United Kingdom · Oct 2024

✓ Verified

Connected the moment I landed. Coverage was strong even outside the city. Exactly as described — no surprises.

Sara Sara GotoeSIM Support · 1 year ago

Thanks a lot, Beatriz! Wonderful to hear it worked smoothly in Japan. — Sara

N

Noah K.

Netherlands · Oct 2024

✓ Verified

Used this on my trip and it worked perfectly. Streaming and video calls worked without buffering. A must-have for international travel.

James James GotoeSIM Support · 1 year ago

Thanks a lot, Noah! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! — James, eSIM TopUp Support

A

Ava L.

South Korea · Oct 2024

✓ Verified

Bought it the night before my flight — smooth process. Ran hotspot to my laptop with no issues. Made staying connected effortless.

James James GotoeSIM Support · 1 year ago

So glad to hear this, Ava! Delighted the speeds worked well for you. Enjoy your journeys! – James, eSIM TopUp Support

R

Ravi G.

United Kingdom · Oct 2024

✓ Verified

Super easy to set up before I flew out. The QR code arrived instantly by email. A must-have for international travel.

Ingrid Ingrid GotoeSIM Support · 1 year ago

Thank you for the kind words, Ravi! Thrilled it made staying connected effortless. — Ingrid, eSIM TopUp Support

Frequently asked questions

How much does the Japan eSIM cost?

The Japan 20GB 30Days (IIJ) plan costs $12.30 for 20 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

K

Katya K. · 2 months ago

Is 5G supported or just 4G?

K

Katya V. · 7 months ago

Thanks, installed with no problems on my Samsung.

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Beatriz C. · 8 months ago

Is roaming charged extra or is it all included?

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Lea B. · 8 months ago

Will this keep my WhatsApp active with my home number?

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Kenji R. · 9 months ago

Do I need to install it before I travel or after I arrive?

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Zoe V. · 9 months ago

How do I check how much data I have left?

G

Grace C. · 10 months ago

Great guide, the setup steps were really helpful.

C

Camila M. · 11 months ago

Can I use it in nearby countries too?

M

Mateo B. · 11 months ago

Which networks does this connect to?

B

Beatriz R. · 11 months ago

Does the validity start on purchase or on first use?

S

Sarah V. · 11 months ago

How long does the QR code take to arrive after payment?

T

Thomas N. · 1 year ago

Can I top up the same eSIM instead of buying a new one?