Buy Japan eSIM data packages for instant 4G/5G internet. No roaming fees, fast activation, and reliable coverage for travelers. From €1.00. Up to 50 GB.
Quick picks
4 data-backed options so you don’t have to compare dozens of plans. Tap a card to go to checkout.
Recommendations are based on available plans. Data needs depend on your apps and usage.
Exact networks depend on the plan. Plan cards show operators and network type (4G/5G).
Plans
43
Price
From €1.00 to €41.50
Data
From 100 MB to 50 GB
Validity
From 1 day to 180 days
Network types
5G, 4G
Operators
KDDI/au, NTT docomo, Rakuten Mobile, SoftBank
Plan types
Total volume + daily cap
Plan filters
Narrow the list by trip length and plan type.
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Japan100MB / 7 Days
Operators
NTT docomo (5G)
Rakuten Mobile (5G)
KDDI/au (5G)
SoftBank (5G)
1,00 EUR
Japan500MB / 1 Day
∞ Unlimited - 384 Kbps
Operators
NTT docomo (5G)
Rakuten Mobile (5G)
KDDI/au (5G)
SoftBank (5G)
1,50 EUR
Japan500MB / 1 Day
∞ Unlimited - 512 Kbps
Operators
KDDI/au (5G)
This package uses a **Non-HK IP**. This means restricted applications and content will work without issues.
1,50 EUR
Japan500MB / 1 Day
∞ Unlimited - 256 Kbps
Operators
NTT docomo (4G)
1,50 EUR
Japan500MB / 7 Days
Operators
NTT docomo (5G)
Rakuten Mobile (5G)
KDDI/au (5G)
SoftBank (5G)
1,50 EUR
Japan1GB / 1 Day
∞ Unlimited - 384 Kbps
Operators
NTT docomo (5G)
Rakuten Mobile (5G)
KDDI/au (5G)
SoftBank (5G)
2,00 EUR
Japan1GB / 1 Day
∞ Unlimited - 512 Kbps
Operators
KDDI/au (5G)
This package uses a **Non-HK IP**. This means restricted applications and content will work without issues.
2,00 EUR
Japan1GB / 1 Day
∞ Unlimited - 256 Kbps
Operators
NTT docomo (4G)
2,00 EUR
Japan1GB / 1 Day
∞ Unlimited - 1 Mbps
Operators
NTT docomo (5G)
Rakuten Mobile (5G)
KDDI/au (5G)
SoftBank (5G)
2,00 EUR
Japan1GB / 7 Days
Operators
NTT docomo (5G)
Rakuten Mobile (5G)
KDDI/au (5G)
SoftBank (5G)
1,50 EUR
Japan1GB / 7 Days
Operators
KDDI/au (5G)
This package uses a **Non-HK IP**. This means restricted applications and content will work without issues.
2,00 EUR
Japan1GB / 7 Days
Operators
NTT docomo (4G)
1,50 EUR
Japan2GB / 1 Day
∞ Unlimited - 384 Kbps
Operators
NTT docomo (5G)
Rakuten Mobile (5G)
KDDI/au (5G)
SoftBank (5G)
3,50 EUR
Japan2GB / 1 Day
∞ Unlimited - 512 Kbps
Operators
KDDI/au (5G)
This package uses a **Non-HK IP**. This means restricted applications and content will work without issues.
3,50 EUR
Japan2GB / 1 Day
∞ Unlimited - 256 Kbps
Operators
NTT docomo (4G)
3,50 EUR
Japan2GB / 1 Day
∞ Unlimited - 1 Mbps
Operators
NTT docomo (5G)
Rakuten Mobile (5G)
KDDI/au (5G)
SoftBank (5G)
3,00 EUR
Japan3GB / 1 Day
∞ Unlimited - 384 Kbps
Operators
NTT docomo (5G)
Rakuten Mobile (5G)
KDDI/au (5G)
SoftBank (5G)
4,00 EUR
Japan3GB / 1 Day
∞ Unlimited - 512 Kbps
Operators
KDDI/au (5G)
This package uses a **Non-HK IP**. This means restricted applications and content will work without issues.
4,00 EUR
Japan3GB / 1 Day
∞ Unlimited - 256 Kbps
Operators
NTT docomo (4G)
4,00 EUR
Japan3GB / 1 Day
∞ Unlimited - 1 Mbps
Operators
KDDI/au (5G)
This package uses a **Non-HK IP**. This means restricted applications and content will work without issues.
6,00 EUR
Japan3GB / 1 Day
∞ Unlimited - 1 Mbps
Operators
NTT docomo (5G)
Rakuten Mobile (5G)
KDDI/au (5G)
SoftBank (5G)
4,50 EUR
Japan3GB / 15 Days
Operators
NTT docomo (5G)
Rakuten Mobile (5G)
KDDI/au (5G)
SoftBank (5G)
3,00 EUR
Japan3GB / 15 Days
Operators
KDDI/au (5G)
This package uses a **Non-HK IP**. This means restricted applications and content will work without issues.
5,00 EUR
Japan3GB / 15 Days
Operators
NTT docomo (4G)
3,00 EUR
Japan3GB / 30 Days
Operators
NTT docomo (5G)
Rakuten Mobile (5G)
KDDI/au (5G)
SoftBank (5G)
3,50 EUR
Japan3GB / 30 Days
Operators
NTT docomo (4G)
3,50 EUR
Japan3GB / 30 Days
Operators
KDDI/au (5G)
This package uses a **Non-HK IP**. This means restricted applications and content will work without issues.
5,00 EUR
Japan5GB / 1 Day
∞ Unlimited - 384 Kbps
Operators
NTT docomo (5G)
Rakuten Mobile (5G)
KDDI/au (5G)
SoftBank (5G)
7,00 EUR
Japan5GB / 1 Day
∞ Unlimited - 512 Kbps
Operators
KDDI/au (5G)
This package uses a **Non-HK IP**. This means restricted applications and content will work without issues.
6,00 EUR
Japan5GB / 30 Days
Operators
NTT docomo (5G)
Rakuten Mobile (5G)
KDDI/au (5G)
SoftBank (5G)
4,50 EUR
Japan5GB / 30 Days
Operators
KDDI/au (5G)
This package uses a **Non-HK IP**. This means restricted applications and content will work without issues.
6,50 EUR
Japan5GB / 30 Days
Operators
NTT docomo (4G)
4,50 EUR
Japan10GB / 1 Day
∞ Unlimited - 384 Kbps
Operators
NTT docomo (5G)
Rakuten Mobile (5G)
KDDI/au (5G)
SoftBank (5G)
8,00 EUR
Japan10GB / 1 Day
∞ Unlimited - 512 Kbps
Operators
KDDI/au (5G)
This package uses a **Non-HK IP**. This means restricted applications and content will work without issues.
7,50 EUR
Japan10GB / 30 Days
Operators
NTT docomo (5G)
Rakuten Mobile (5G)
KDDI/au (5G)
SoftBank (5G)
7,50 EUR
Japan10GB / 30 Days
Operators
KDDI/au (5G)
This package uses a **Non-HK IP**. This means restricted applications and content will work without issues.
10,50 EUR
Japan10GB / 30 Days
Operators
NTT docomo (4G)
7,50 EUR
Japan20GB / 30 Days
Operators
NTT docomo (5G)
Rakuten Mobile (5G)
KDDI/au (5G)
SoftBank (5G)
12,50 EUR
Japan20GB / 30 Days
Operators
KDDI/au (5G)
This package uses a **Non-HK IP**. This means restricted applications and content will work without issues.
16,50 EUR
Japan20GB / 30 Days
Operators
NTT docomo (4G)
12,50 EUR
Japan50GB / 30 Days
Operators
NTT docomo (5G)
Rakuten Mobile (5G)
KDDI/au (5G)
SoftBank (5G)
25,50 EUR
Japan50GB / 30 Days
Operators
NTT docomo (4G)
25,50 EUR
Japan50GB / 180 Days
Operators
NTT docomo (5G)
Rakuten Mobile (5G)
KDDI/au (5G)
SoftBank (5G)
41,50 EUR
Quick summary
eSIM Japan is a convenient option for travel and longer stays. Connect right after arrival without a physical SIM, roaming fees, or store visits. Instant activation and simple setup without roaming charges make it a practical choice on the road.
Coverage and use
Works in major cities and tourist areas in Japan. Use mobile data for maps, messaging, social apps, and remote work. Supported networks/operators are listed on each package card.
Choose a plan for your trip
3–5 days — 1–3 GB
7–10 days — 5–10 GB
Longer stays — from 20 GB
Hotspot is device-dependent; activation takes just a few minutes after installing the eSIM.
Frequently Asked Questions (FAQ)
How do I activate the eSIM?
Activating your eSIM is incredibly easy and fast. After purchase, you’ll receive all the necessary instructions to install the eSIM profile in just a few minutes. No physical SIM card or store visit required – everything is digital, giving you instant connectivity!
Will it work in Japan?
Yes. This plan is designed for Japan and connects to the local networks shown on the package card. Available operators (by plan): KDDI/au, NTT docomo, Rakuten Mobile (+1 more). Network types: 5G, 4G.
Can I use hotspot?
Hotspot (tethering) is often supported, so you can share your mobile data with other devices like a laptop or tablet. Availability can depend on the plan, device, and local network. Check the package card for details.
Is there a speed limit?
Unlimited plans include the full-speed data shown on the card. Once you use that allowance, data keeps working at a reduced speed until the end of the UTC day. Example: 500MB / 1 Day Unlimited - 512 Kbps = 500MB at full speed, then 512 Kbps until 00:00 UTC.
How long is the plan valid?
Validity is shown on each package card (for example 7/15/30 days) and starts after activation.
Which devices are compatible?
If your smartphone doesn’t support eSIM technology, don’t worry! There’s a solution. Visit 9esim.com to learn how to easily enable eSIM support on your device and enjoy the flexibility of our data packages.
When should I activate the eSIM?
Purchase your eSIM now and activate it anytime within 180 days from the date of purchase. Just install the eSIM and connect to the mobile network in your destination country to enjoy uninterrupted internet access!
Can I keep my physical SIM active?
While using our eSIM, your original SIM card will continue to work. The eSIM only provides data connectivity, which means you can still receive calls and SMS on your current number while enjoying affordable internet during your travels.
