eSIM Japan - From $1.90
There are 22 Japan eSIM plans. The cheapest is 500 MB for 7 days at $1.90. The Japan eSIM uses the Docomo, KDDI (au), and SoftBank networks.
The Bitcall Japan eSIM runs on Docomo, KDDI (au), and SoftBank, with cheap plans from $1.90 and unlimited data from $9.66. You buy it with just an email and it works as soon as you land.
Docomo, KDDI (au), and SoftBank
Unlimited data — use freely without worrying about running low
Each plan shows when its validity starts
Data Only Plans
Best for travelers who only need mobile data for maps, apps, and messaging.
500 MB
7 days Validity
500 MB - 7 days$1.90
1 GB
7 days Validity
1 GB - 7 days$3.36
3 GB
30 days Validity
3 GB - 30 days$4.44
4 GB
30 days Validity
Japan 4GB 30Days$7.01
3 GB
7 days Validity
Japan 3GB 7 days$7.25
5 GB
30 days Validity
5 GB - 30 days$8.80
Unlimited
3 days Validity
Unlimited - 3 days$9.66
5 GB
10 days Validity
Japan 5GB 10 days$10.26
7 GB
30 days Validity
Japan 7GB 30Days$13.59
Unlimited
5 days Validity
Unlimited - 5 days$14.28
10 GB
30 days Validity
10 GB - 30 days$14.40
10 GB
30 days Validity
Japan 10GB 30 days$18.09
20 GB
30 days Validity
20 GB - 30 days$20.00
15 GB
30 days Validity
Japan 15GB 30Days$21.87
Unlimited
7 days Validity
Unlimited - 7 days$22.68
Unlimited
10 days Validity
Unlimited - 10 days$27.60
25 GB
30 days Validity
Japan 25GB 30Days$31.78
Unlimited
10 days Validity
Japan Unlimited 10 Days$38.13
Unlimited
15 days Validity
Unlimited - 15 days$38.40
Unlimited
15 days Validity
Japan Unlimited 15 Days$45.39
35 GB
30 days Validity
Japan 35GB 30Days$47.55
Unlimited
30 days Validity
Unlimited - 30 days$55.20
eSIM Japan: good to know
- Networks
- Docomo, KDDI (au), and SoftBankAlso in the country: Rakuten Mobile. 5G since March 2020; by the end of March 2026 it reached 98.6% of the population.
- Unlimited
- From $9.663 days of unlimited data
- Cheapest plan
- From $1.90500 MB for 7 days
Explore more destinations
Your Japan eSIM in 3 steps
- 1
Choose your Japan plan:
Pick the data and the days your trip needs, for example:
- 2
Get Your eSIM Instantly:
You get a QR code by email right after checkout. Scan it to install the eSIM.
- 3
Activate & Go:
Turn the eSIM on when you land and you are online in seconds. Your own SIM stays active for calls and SMS.
eSIM or SIM card for Japan? Compared with roaming
The options compared. The Bitcall column comes from the Japan eSIM plans on this page.
| Bitcall eSIM | Roaming with your carrier | Local SIM card | |
|---|---|---|---|
Price | From $1.90 · best value $1.00/GB | Your carrier's roaming rates | Local prices |
Data | 500 MB to 35 GB, or unlimited | Your carrier's roaming passes | Local data packs |
Validity | 3 to 30 days | Depends on your carrier | Depends on the plan |
Calls | Data only – calling apps work | At roaming rates | At local rates |
Phone number | Keep your own number (dual SIM) | Your own number | A new local number |
Hotspot | Yes | Depends on your carrier | Depends on the plan |
5G | Where the network has it | Depends on your carrier | Depends on the plan |
Networks | Docomo, KDDI (au), and SoftBank | Your carrier's partner network | One network: Docomo, KDDI (au), SoftBank, or Rakuten Mobile |
Setup | Instant QR code by email – install before you travel | Nothing to install | Buy in a shop after you arrive |
Payment | Crypto (BTC, ETH, USDT, USDC, SOL), card or PayPal | On your phone bill | At the shop |
Japan eSIM: frequently asked questions
Networks, prices and activation for the Japan eSIM, taken from the plans on this page.
Yes. Every phone that takes an eSIM runs on 4G and 5G, and that is all Japan uses now: it has had no 3G network since 31 March 2026, when Docomo switched off FOMA, after au in 2022 and SoftBank in 2024. Japan’s four networks are Docomo, au (KDDI), SoftBank and Rakuten Mobile, and 5G reached 98.6% of the population by March 2026. The Bitcall eSIM works as soon as you land.
One that works as soon as you land, with no ID and no forms: the Bitcall Japan eSIM. It connects to Docomo, KDDI (au), and SoftBank. Plans start at $1.90 for 500 MB over 7 days. Unlimited data starts at $9.66 for 3 days. You buy it online with just an email address, and every plan includes 5G and hotspot.
The Japan eSIM uses the Docomo, KDDI (au), and SoftBank networks. Each plan's details list the networks it uses.
There are 22 Japan eSIM plans. The cheapest is 500 MB for 7 days at $1.90. Data sizes: 500 MB, 1 GB, 3 GB, 4 GB, 5 GB, 7 GB, 10 GB, 15 GB, 20 GB, 25 GB, and 35 GB. Validity: 3, 5, 7, 10, 15, or 30 days. Unlimited data is available for 3, 5, 7, 10, 15, and 30 days, from $9.66. Each plan is a one-time payment with no subscription: card, PayPal, Apple Pay, Google Pay or crypto (BTC, ETH, USDT, USDC, SOL).
Per GB, the best value is 20 GB for 30 days at $20.00, which is $1.00 per GB. Cheapest by trip length: 3 days from $9.66 (unlimited), 5 days from $14.28 (unlimited), 7 days from $1.90 (500 MB), 10 days from $10.26 (5 GB), 15 days from $38.40 (unlimited), and 30 days from $4.44 (3 GB).
Yes. 5G is included in all 22 plans. You get it where the network has 5G coverage and your phone supports it.
Activation is instant: you get the QR code by email and in your Bitcall dashboard right after purchase. Scan it on Wi-Fi before you travel, then turn the eSIM on when you arrive. On 15 plans, validity starts when the eSIM first connects to a network at your destination. On 7 plans, validity starts when you install the eSIM. Each plan's details show when its validity starts.
Yes. Hotspot (tethering) is included in all 22 plans, and data used by connected devices counts toward your plan.
Yes. On a dual-SIM phone your own SIM stays active next to the eSIM, at your carrier's roaming rates. The Japan eSIM plans are data-only and do not include a phone number. WhatsApp, FaceTime and other calling apps work over any plan's data. To call Japan numbers from anywhere, see Japan calling rates and country code.
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