Lowest total for 7 days. Unlimited data with enough full speed for about 0.8 GB a day.
Check price at shibaSIMFor your trip: 7 days · about 5.6 GB
If you prefer a set amount of data: the lowest fixed-data total for this trip. Unlimited is cheaper here.
Check price at shibaSIMThe next cheapest unlimited data for 7 days, from a different provider. Fair use limits may apply.
Check price at The SIM ShopHow we choose: the winner is the lowest total price for your trip that gives enough data for your daily use at full speed. Unlimited plans only count if their full-speed data per day covers your use. Best value means more data for at most 30% more. Speed rules come from each provider's own pages.
Best eSIM plans
All 261 plans for Japan
Tap a plan to open it on the provider's website.
No plans match these filters. Try fewer filters.
How fast is unlimited data in Japan?
"Unlimited" plans give full speed up to a daily amount, then slow down until the next day. From each provider's own rules, checked 1 November 2026.
| Provider | Full speed per day | After that |
|---|---|---|
| AAiralo | 3 GB | 1 Mbps source |
| HHolafly | No daily limit set | Local network may slow very heavy use source |
| SSaily | 5 GB | 1 Mbps source |
| NNomad | 2 GB | ~1–2 Mbps source |
| MMaya | 5 GB | 3 Mbps source |
| YYesim | Not stated by provider | Reduced after a daily amount source |
| RRoamless | 3 GB | 1 Mbps source |
| RRoam2Go | 3 GB | 1 Mbps source |
| RRoam2Go | 1 GB | 10 Mbps source |
| RRoam2Go | 1 GB | 5 Mbps source |
| BBreeze | 1 GB | 512 kbps source |
| sshibaSIM | 3 GB | 256 kbps source |
| sshibaSIM | 2 GB | 256 kbps source |
| sshibaSIM | 1 GB | 256 kbps source |
| SSimbye | 2 GB | 1 Mbps source |
| TThe SIM Shop | Not stated by provider | Reduced after a daily amount source |
Networks and hotspot in Japan
From each provider's own page, checked 11 October 2026. “(+1)” means the page lists one more network without naming it. The provider's page is final.
| Provider | Network | Hotspot | Source |
|---|---|---|---|
| AAiralo | SoftBank (+1) | Not stated on its page | Provider's page ↗ |
| HHolafly | KDDI / SoftBank | Yes, up to 1 GB a day | Provider's page ↗ |
| SSaily | KDDI / SoftBank | Yes, no limit stated | Provider's page ↗ |
| NNomad | KDDI au / SoftBank | Yes | Provider's page ↗ |
| MMaya | Not checked yet | Not checked yet | Provider's page ↗ |
| YYesim | Not checked yet | Not checked yet | Provider's page ↗ |
| RRoamless | Not checked yet | Not checked yet | Provider's page ↗ |
| VVirgin Connect Roam | Not checked yet | Not checked yet | Provider's page ↗ |
| RRoam2Go | Not checked yet | Not checked yet | Provider's page ↗ |
| BBreeze | Not checked yet | Not checked yet | Provider's page ↗ |
| MMobiMatter | Not checked yet | Not checked yet | Provider's page ↗ |
| sshibaSIM | Not checked yet | Not checked yet | Provider's page ↗ |
| SSimbye | Not checked yet | Not checked yet | Provider's page ↗ |
| TThe SIM Shop | Not checked yet | Not checked yet | Provider's page ↗ |
Price history in Japan
Cheapest 7-day trip with about 5.6 GB, on each day we published prices:
- Today $4.99 shibaSIM
- Lowest $4.39 25 October 2026
- Highest $14.00 30 September 2026
Chart in US dollars. Each point is the cheapest offer among the providers we compared that day, so new providers can lower it too. Days without new prices keep the last price.
Japan eSIM travel guide
We compared 261 eSIM plans for Japan from Airalo, Holafly, Saily, Nomad, Maya, Yesim, Roamless, Virgin Connect Roam, Roam2Go, Breeze, MobiMatter, shibaSIM, Simbye, The SIM Shop.
Japan is one of the easiest countries to stay connected in, but free public Wi-Fi is patchy outside hotels, stations and convenience stores. Most visitors rely on mobile data for Google Maps, train times, translation apps and QR menus, so a travel eSIM is usually the simplest option.
Networks and coverage
Japan's main networks are NTT Docomo, KDDI (au), SoftBank and Rakuten Mobile. Travel eSIMs usually connect through SoftBank or KDDI, which both cover cities, ski areas and the shinkansen routes well. Coverage is weaker deep in the mountains and on some remote islands.
eSIM, pocket Wi-Fi or a local SIM?
Pocket Wi-Fi rentals are popular with groups, but you have to collect, charge, carry and return the device. A travel eSIM is installed before you fly and works as soon as you land, with nothing to return. Prepaid tourist SIM cards exist, but they rarely beat eSIM prices.
How much data you need
A typical sightseeing day with maps, messaging and some photo uploads uses about 0.5 to 1 GB. Families sharing a hotspot, or travellers who post a lot of video, should look at the unlimited passes above.
Fixed data or unlimited?
Fixed data plans are the cheapest choice for maps, messaging and browsing. If you use more than about 1.5 GB a day, compare the unlimited passes above.
Winter or ski trip? See our eSIM guide for a Japan winter trip with trip prices for 1, 2 and 3 weeks.
What a trip to Japan costs
The cheapest total for each trip length and data use, from all 14 providers. Prices checked 14 November 2026. Tap a price to open that plan.
| Trip length | Light 0.3 GB/day | Moderate 0.8 GB/day | Heavy 2 GB/day |
|---|---|---|---|
| 3 days | $1.99Simbye | $3.31Roam2Go | $4.29shibaSIM |
| 7 days | $3.70The SIM Shop | $4.99shibaSIM | $7.19shibaSIM |
| 14 days | $4.71The SIM Shop | $8.09shibaSIM | $13.09shibaSIM |
| 30 days | $6.75The SIM Shop | $14.49shibaSIM | $25.19shibaSIM |
Compare with your phone company's roaming
- AT&T roaming vs a travel eSIM (from the US)
- Verizon roaming vs a travel eSIM (from the US)
- T-Mobile roaming vs a travel eSIM (from the US)
Japan eSIM questions
What is the cheapest eSIM for Japan?
In our check on 14 November 2026, the cheapest plan was 1 GB for 7 days from Simbye at $1.99. For a 7-day trip with moderate use (about 5.6 GB), the lowest total was $4.99 with shibaSIM.
What is the cheapest eSIM for Japan for 7 days?
In our check on 14 November 2026, for a 7-day trip: 3 GB from $3.70 with The SIM Shop, 5 GB from $4.39 with shibaSIM and 10 GB from $6.39 with shibaSIM.
What is the cheapest eSIM for Japan for 10 days?
In our check on 14 November 2026, for a 10-day trip: 5 GB from $4.39 with shibaSIM, 10 GB from $6.19 with shibaSIM and 20 GB from $9.29 with shibaSIM.
What is the cheapest eSIM for Japan for 14 days?
In our check on 14 November 2026, for a 14-day trip: 5 GB from $4.71 with The SIM Shop, 10 GB from $6.75 with The SIM Shop and 20 GB from $10.89 with shibaSIM.
What is the cheapest eSIM for Japan for 30 days?
In our check on 14 November 2026, for a 30-day trip: 10 GB from $6.75 with The SIM Shop, 20 GB from $11.49 with The SIM Shop and 50 GB from $25.19 with shibaSIM.
Do I need unlimited data in Japan?
Only if you stream video, make long video calls or share a hotspot. A 7-day unlimited option costs from $4.99, while 10 GB costs from $5.79.
Will I get a Japanese phone number with a travel eSIM?
Usually not. Most travel eSIMs are data-only, so you keep your home number for SMS and use apps such as WhatsApp or LINE for calls. That is enough for maps, rail apps and ride-hailing apps.
Does my eSIM work on the shinkansen?
Yes. The main bullet train lines have mobile coverage along most of the route, including many tunnels, although you may see short gaps.
Which network will my eSIM use in Japan?
From each provider's own page, checked 11 October 2026:
Airalo: SoftBank (+1)
Holafly: KDDI / SoftBank
Saily: KDDI / SoftBank
Nomad: KDDI au / SoftBank
Not checked yet: Maya, Yesim, Roamless, Virgin Connect Roam, Roam2Go, Breeze, MobiMatter, shibaSIM, Simbye, The SIM Shop.
Your phone connects automatically to the network the eSIM uses. Hotspot rules are in the table above.
When should I install the eSIM?
Install it at home over Wi-Fi a day or two before you fly, and switch it on when you land. Keep your home SIM on for calls and SMS if you need them.
Visiting more than one country?
A regional eSIM covers several countries with one plan.
Compare the providers for Japan
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