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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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Isabella F.

Malaysia · Aug 2026

✓ Verified

Installed in minutes by scanning the QR code. Customer support answered my question quickly. Zero regrets.

Grace Grace eSIM TopUp Support · 1 week ago

Thanks for sharing, Isabella! Delighted the speeds worked well for you. – Grace 💜

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Viktor T.

South Korea · Jul 2026

✓ Verified

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

Diego Diego eSIM TopUp Support · 1 week ago

Thank you for the kind words, Viktor! Delighted the speeds worked well for you. Enjoy your journeys! — Diego

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Mei N.

Indonesia · Jul 2026

✓ Verified

Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing. Great experience overall.

Yuki Yuki eSIM TopUp Support · 2 weeks ago

Thank you for the kind words, Mei! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Yuki 💜

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Liam M.

United States · Jul 2026

✓ Verified

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

Anna Anna eSIM TopUp Support · 3 weeks ago

Thank you so much, Liam! So pleased it saved you from roaming bills. Come back anytime! — Anna, eSIM TopUp Support

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James R.

Egypt · Jul 2026

✓ Verified

Used this on my trip and it worked perfectly. The QR code arrived instantly by email. Will use eSIM TopUp for my next trip for sure.

Ken Ken eSIM TopUp Support · 4 weeks ago

Really appreciate this, James! So happy the Japan eSIM kept you connected. Enjoy your journeys! – Ken, eSIM TopUp Support

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Emma H.

Canada · Jul 2026

✓ Verified

No more hunting for a SIM card kiosk on arrival. Setup instructions in the app were clear and simple. Telling my friends about this.

Tom Tom eSIM TopUp Support · 1 month ago

Thanks a lot, Emma! Delighted the speeds worked well for you. – Tom 💜

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Ji-woo M.

Singapore · Jul 2026

✓ Verified

Exactly what I needed for travelling. The QR code arrived instantly by email. Exactly as described — no surprises.

Diego Diego eSIM TopUp Support · 1 month ago

Thank you so much, Ji-woo! Great to know the setup was quick and easy. We're here whenever you travel again. — Diego

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Olivia C.

Singapore · Jul 2026

✓ Verified

Did the job without any drama. Customer support answered my question quickly. Exactly as described — no surprises.

Mark Mark eSIM TopUp Support · 1 month ago

Thanks a lot, Olivia! Thrilled it made staying connected effortless. Enjoy your journeys! — Mark, eSIM TopUp Support

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Haruto R.

Sweden · Jun 2026

✓ Verified

Installed in minutes by scanning the QR code. Topping up was straightforward when I needed more.

Diego Diego eSIM TopUp Support · 1 month ago

So glad to hear this, Haruto! Great to know the setup was quick and easy. — Diego

A

Arjun D.

Sweden · Jun 2026

✓ Verified

Honestly better than buying a local SIM at the airport. Streaming and video calls worked without buffering. Telling my friends about this.

Ingrid Ingrid eSIM TopUp Support · 1 month ago

Really appreciate this, Arjun! Delighted the speeds worked well for you. — Ingrid, eSIM TopUp Support

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Mateo S.

Spain · Jun 2026

✓ Verified

Connected the moment I landed. The QR code arrived instantly by email. Will use eSIM TopUp for my next trip for sure.

Sophie Sophie eSIM TopUp Support · 1 month ago

Thanks for sharing, Mateo! Delighted the speeds worked well for you. Wishing you many more connected adventures! – Sophie, eSIM TopUp Support

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Somchai N.

Thailand · Jun 2026

✓ Verified

Exactly what I needed for travelling. Customer support answered my question quickly. Telling my friends about this.

Anna Anna eSIM TopUp Support · 2 months ago

Thank you for the kind words, Somchai! So pleased it saved you from roaming bills. – Anna 💜

Z

Zoe H.

Vietnam · May 2026

✓ Verified

Super easy to set up before I flew out. Signal held up well on trains and in rural areas. Will use eSIM TopUp for my next trip for sure.

David David eSIM TopUp Support · 2 months ago

Thanks for sharing, Zoe! Wonderful to hear it worked smoothly in Japan. – David 💜

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Mei P.

New Zealand · May 2026

✓ Verified

Exactly what I needed for travelling. Activation was automatic when I arrived.

Anna Anna eSIM TopUp Support · 2 months ago

Thanks for sharing, Mei! Love that you were online the moment you landed in Japan. Safe travels, and see you on your next trip! — Anna, eSIM TopUp Support

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Ingrid K.

Thailand · May 2026

✓ Verified

No more hunting for a SIM card kiosk on arrival in Japan. Signal held up well on trains and in rural areas. Made staying connected effortless.

Sara Sara eSIM TopUp Support · 2 months ago

Cheers, Ingrid! Love that you were online the moment you landed in Japan. Enjoy your journeys! – Sara 💜

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.

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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?