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Japan eSIM — reviews & details

Japan 3GB 30Days · 3 GB · 30 days

View plan & buy — $2.70
4.5

620 reviews

5 ★ 61%
4 ★ 30%
3 ★ 7%
2 ★ 1%
1 ★ 1%

Coverage & networks

  • Japan NTT docomo 5G Rakuten Mobile 5G KDDI/au 5G SoftBank 5G

Traveller reviews

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Yuki S.

Indonesia · Mar 2026

✓ Verified

Super easy to set up before I flew out. Streaming and video calls worked without buffering. Would definitely buy again.

James James eSIM TopUp Support · 5 months ago

Thank you for the kind words, Yuki! Thrilled it made staying connected effortless. – James 💜

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Pablo R.

France · Mar 2026

✓ Verified

Connected the moment I landed. I kept my normal number for calls while using this for data. Exactly as described — no surprises.

Ken Ken eSIM TopUp Support · 5 months ago

Cheers, Pablo! Thrilled it made staying connected effortless. — Ken, eSIM TopUp Support

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Beatriz P.

Portugal · Mar 2026

✓ Verified

Connected the moment I landed. Data lasted the whole trip with room to spare.

Anna Anna eSIM TopUp Support · 5 months ago

So glad to hear this, Beatriz! Great to know the setup was quick and easy. – Anna, eSIM TopUp Support

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Arjun D.

Spain · Feb 2026

✓ Verified

Connected the moment I landed. Topping up was straightforward when I needed more. Great experience overall.

Yuki Yuki eSIM TopUp Support · 5 months ago

So glad to hear this, Arjun! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Yuki, eSIM TopUp Support

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Lea G.

Sweden · Feb 2026

✓ Verified

First time using an eSIM and it was painless. Customer support answered my question quickly. Would definitely buy again.

Emma Emma eSIM TopUp Support · 5 months ago

Thank you for the kind words, Lea! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – Emma, eSIM TopUp Support

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Hana G.

Australia · Feb 2026

✓ Verified

First time using an eSIM and it was painless in Japan. Data lasted the whole trip with room to spare.

Ken Ken eSIM TopUp Support · 5 months ago

Cheers, Hana! Great to know the setup was quick and easy. — Ken, eSIM TopUp Support

S

Sri L.

Saudi Arabia · Feb 2026

✓ Verified

Used this on my trip and it worked perfectly. Activation was automatic when I arrived in Japan. Great experience overall.

Emma Emma eSIM TopUp Support · 5 months ago

Thanks for sharing, Sri! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Emma 💜

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Giulia T.

Sweden · Feb 2026

✓ Verified

Saved me a fortune on my holiday in Japan. The QR code arrived instantly by email.

David David eSIM TopUp Support · 5 months ago

Really appreciate this, Giulia! Love that you were online the moment you landed in Japan. — David, eSIM TopUp Support

J

James L.

New Zealand · Feb 2026

✓ Verified

Connected the moment I landed. The QR code arrived instantly by email. Great experience overall.

Ingrid Ingrid eSIM TopUp Support · 5 months ago

Thank you for the kind words, James! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! – Ingrid 💜

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Lea P.

Ireland · Feb 2026

✓ Verified

Super easy to set up before I flew out. Streaming and video calls worked without buffering. Great experience overall.

David David eSIM TopUp Support · 5 months ago

Thank you so much, Lea! Delighted the speeds worked well for you. Enjoy your journeys! — David

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Hana W.

Italy · Feb 2026

✓ Verified

Honestly better than buying a local SIM at the airport in Japan. Data lasted the whole trip with room to spare. A must-have for international travel.

Grace Grace eSIM TopUp Support · 5 months ago

So glad to hear this, Hana! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! – Grace, eSIM TopUp Support

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Carlos R.

Singapore · Feb 2026

✓ Verified

Bought it the night before my flight — smooth process. Ran hotspot to my laptop with no issues. Great experience overall.

David David eSIM TopUp Support · 5 months ago

Cheers, Carlos! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – David, eSIM TopUp Support

A

Anna P.

Mexico · Feb 2026

✓ Verified

Did the job without any drama. The QR code arrived instantly by email. Highly recommend for any traveller.

Grace Grace eSIM TopUp Support · 5 months ago

So glad to hear this, Anna! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! — Grace, eSIM TopUp Support

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Omar G.

Spain · Feb 2026

✓ Verified

Super easy to set up before I flew out. Signal held up well on trains and in rural areas. Exactly as described — no surprises.

Tom Tom eSIM TopUp Support · 5 months ago

Cheers, Omar! So pleased it saved you from roaming bills. — Tom

V

Viktor T.

Sweden · Feb 2026

✓ Verified

Used this on my trip and it worked perfectly. Signal held up well on trains and in rural areas.

Priya Priya eSIM TopUp Support · 5 months ago

Really appreciate this, Viktor! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! – Priya, eSIM TopUp Support

Frequently asked questions

How much does the Japan eSIM cost?

The Japan 3GB 30Days plan costs $2.70 for 3 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

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Pablo G. · 2 months ago

Is 5G supported or just 4G?

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Pablo C. · 2 months ago

How do I check how much data I have left?

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Grace G. · 2 months ago

Can I use this for hotspot/tethering?

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Marco C. · 3 months ago

Can I use it in nearby countries too?

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Lucas D. · 3 months ago

Great guide, the setup steps were really helpful.

I

Ingrid F. · 5 months ago

Is roaming charged extra or is it all included?

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Pablo N. · 6 months ago

Does the validity start on purchase or on first use?

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Olivia N. · 6 months ago

Does this work on an iPhone 13?

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Linh T. · 8 months ago

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

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Viktor P. · 9 months ago

Thanks, installed with no problems on my Samsung.

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Carlos L. · 9 months ago

Will this keep my WhatsApp active with my home number?

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Sri N. · 1 year ago

Which networks does this connect to?