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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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Priya T.

Japan · Jan 2026

✓ Verified

Bought it the night before my flight — smooth process. Activation was automatic when I arrived. Made staying connected effortless.

David David eSIM TopUp Support · 7 months ago

Thanks a lot, Priya! So pleased it saved you from roaming bills. Come back anytime! – David 💜

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Haruto D.

Australia · Jan 2026

✓ Verified

Bought it the night before my flight — smooth process. Ran hotspot to my laptop with no issues. Zero regrets.

Omar Omar eSIM TopUp Support · 7 months ago

Cheers, Haruto! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! — Omar

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Nadia P.

Mexico · Jan 2026

✓ Verified

Installed in minutes by scanning the QR code. Coverage was strong even outside the city. Telling my friends about this.

Tom Tom eSIM TopUp Support · 7 months ago

Thanks for sharing, Nadia! Thrilled it made staying connected effortless. We're here whenever you travel again. — Tom

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Nadia L.

United Kingdom · Jan 2026

✓ Verified

Honestly better than buying a local SIM at the airport. Streaming and video calls worked without buffering. Great experience overall.

Ken Ken eSIM TopUp Support · 7 months ago

So glad to hear this, Nadia! Delighted the speeds worked well for you. – Ken 💜

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Noah V.

Philippines · Dec 2025

✓ Verified

Installed in minutes by scanning the QR code. Coverage was strong even outside the city. Will use eSIM TopUp for my next trip for sure.

Yuki Yuki eSIM TopUp Support · 7 months ago

Thank you so much, Noah! Wonderful to hear it worked smoothly in Japan. Enjoy your journeys! – Yuki, eSIM TopUp Support

K

Katya R.

United Kingdom · Dec 2025

✓ Verified

Used this on my trip and it worked perfectly. The QR code arrived instantly by email. Made staying connected effortless.

Omar Omar eSIM TopUp Support · 7 months ago

So glad to hear this, Katya! Great to know the setup was quick and easy. We're here whenever you travel again. – Omar 💜

Y

Yuki K.

Germany · Dec 2025

✓ Verified

Super easy to set up before I flew out. I kept my normal number for calls while using this for data.

Sara Sara eSIM TopUp Support · 7 months ago

Thank you so much, Yuki! So happy the Japan eSIM kept you connected. – Sara 💜

S

Sofia D.

Spain · Dec 2025

✓ Verified

Honestly better than buying a local SIM at the airport. The QR code arrived instantly by email.

Laura Laura eSIM TopUp Support · 7 months ago

Thanks a lot, Sofia! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Laura, eSIM TopUp Support

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Priya W.

South Korea · Dec 2025

✓ Verified

Did the job without any drama in Japan. Data lasted the whole trip with room to spare. Telling my friends about this.

Ken Ken eSIM TopUp Support · 7 months ago

Thank you for the kind words, Priya! Great to know the setup was quick and easy. We're here whenever you travel again. — Ken

L

Lucia R.

Turkey · Dec 2025

✓ Verified

Bought it the night before my flight — smooth process. Customer support answered my question quickly.

Emma Emma eSIM TopUp Support · 7 months ago

Thanks for sharing, Lucia! Great to know the setup was quick and easy. Enjoy your journeys! – Emma 💜

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Noah M.

Japan · Dec 2025

✓ Verified

Used this on my trip and it worked perfectly. Topping up was straightforward when I needed more. Would definitely buy again.

Emma Emma eSIM TopUp Support · 7 months ago

So glad to hear this, Noah! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! — Emma

O

Olivia F.

Germany · Dec 2025

✓ Verified

Bought it the night before my flight — smooth process. Customer support answered my question quickly. Zero regrets.

Sophie Sophie eSIM TopUp Support · 7 months ago

Thank you for the kind words, Olivia! Wonderful to hear it worked smoothly in Japan. Come back anytime! — Sophie

N

Noah L.

Mexico · Dec 2025

✓ Verified

Super easy to set up before I flew out. Coverage was strong even outside the city. Will use eSIM TopUp for my next trip for sure.

Sara Sara eSIM TopUp Support · 7 months ago

Cheers, Noah! Thrilled it made staying connected effortless. – Sara 💜

A

Ava W.

New Zealand · Dec 2025

✓ Verified

Exactly what I needed for travelling in Japan. Coverage was strong even outside the city. Five stars from me.

James James eSIM TopUp Support · 8 months ago

So glad to hear this, Ava! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! — James

C

Camila F.

India · Dec 2025

✓ Verified

Connected the moment I landed. Streaming and video calls worked without buffering.

Yuki Yuki eSIM TopUp Support · 8 months ago

Thank you so much, Camila! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Yuki

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.

C

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?