--- title: "eSIM for Japan from $2.39, easy setup | DualLine" description: "Affordable eSIM for Japan: 13 plans from $2.39, 500 MB–20 GB or unlimited data, on KDDI and SoftBank. Easy setup before you travel." canonical: "https://dualline.co/esim/japan" --- Mount Fuji · Photo: [Suicasmo](https://commons.wikimedia.org/wiki/File:View_of_Mount_Fuji_from_%C5%8Cwakudani_20211202.jpg) , [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0) # eSIM for Japan Affordable mobile data for Japan, with easy setup and a reliable connection on the KDDI or SoftBank network. Choose from 13 plans: 500 MB–20 GB or unlimited data, valid 3–30 days, from $2.39 (500 MB for 7 days). 1 GB for 7 days costs $4.43. The best rate is $1.30 per GB. ## Plans and prices for Japan There are 7 fixed-data plans for Japan, from $2.39. The lowest price per GB is $1.30: 20 GB for 30 days. Prices are in US dollars. The final price is shown at checkout. Fixed-data plans for Japan | Data | Validity | Price | Price per GB | | --- | --- | --- | --- | | 500 MB | 7 days | $2.39 | $4.89 | | 1 GB | 7 days | $4.43 | $4.43 | | 2 GB | 15 days | $7.00 | $3.50 | | 3 GB | 30 days | $8.52 | $2.84 | | 5 GB | 30 days | $11.59 | $2.32 | | 10 GB | 30 days | $18.75 | $1.88 | | 20 GB | 30 days | $25.91 | $1.30 | - [Buy an eSIM for Japan](https://dualline.co/buy-esim?destination=JP) ## Unlimited data for Japan Unlimited plans start at $12.11. Each includes 3 GB of high-speed data per day; after that, speed is reduced to 1 Mbps. Unlimited plans for Japan | Validity | Price | High-speed data | After that | | --- | --- | --- | --- | | 3 days | $12.11 | 3 GB per day | 1 Mbps | | 5 days | $17.73 | 3 GB per day | 1 Mbps | | 7 days | $27.45 | 3 GB per day | 1 Mbps | | 10 days | $35.64 | 3 GB per day | 1 Mbps | | 15 days | $49.44 | 3 GB per day | 1 Mbps | | 30 days | $70.92 | 3 GB per day | 1 Mbps | ## Network: KDDI and SoftBank Plans for Japan connect to the KDDI or SoftBank network, depending on the plan. Check the network shown on a plan before you buy. ## Calls, SMS and phone numbers Plans for Japan are data-only: they don’t include a phone number, carrier calls or SMS. If you need a separate number for calls and texts, the DualLine second line is a different product. - [See the DualLine second line](https://dualline.co/second-line) ## Local facts for Japan General information about mobile networks in Japan; not specific to DualLine plans. Japan has four mobile network operators: NTT Docomo, KDDI (au), SoftBank and Rakuten Mobile. Source: International Trade Administration, U.S. Department of Commerce. Docomo, au and SoftBank launched commercial 5G on 25–27 March 2020, starting in limited areas. Source: International Trade Administration, U.S. Department of Commerce. NTT Docomo shut down its 3G (FOMA) network on 31 March 2026. Docomo says 3G-only phones, and 4G phones without VoLTE, can no longer make calls on its network. Source: NTT Docomo. - [International Trade Administration, U.S. Department of Commerce: Japan's 5G Networks](https://www.trade.gov/market-intelligence/japans-5g-networks) - [NTT Docomo: 「FOMA」および「iモード」サービス終了のご案内](https://www.docomo.ne.jp/info/3g_closed/index.html) ## Set up before you travel Install the eSIM over Wi-Fi before you leave, then switch mobile data to it when you arrive in Japan. - [Install an eSIM on iPhone](https://dualline.co/esim/guides/install-esim-iphone) - [Install an eSIM on Android](https://dualline.co/esim/guides/install-esim-android) - [Check eSIM-compatible devices](https://dualline.co/esim-compatible-devices) ## More eSIM destinations Compare plans for other popular destinations, or start with the travel eSIM guide. - [eSIM for Dubai & the UAE](https://dualline.co/esim/united-arab-emirates) - [eSIM for Thailand](https://dualline.co/esim/thailand) - [eSIM for Turkey](https://dualline.co/esim/turkey) - [eSIM for South Korea](https://dualline.co/esim/south-korea) - [eSIM for Singapore](https://dualline.co/esim/singapore) - [eSIM for Indonesia](https://dualline.co/esim/indonesia) - [Travel eSIM guide](https://dualline.co/esim) ## Your take-away checklist - Pick a plan: 500 MB–20 GB or unlimited data, valid 3–30 days. - Check that your phone supports eSIM and is unlocked. - Install the eSIM over Wi-Fi before you travel. - After you arrive, choose the eSIM for mobile data. ## Common questions How much does an eSIM for Japan cost? Plans start at $2.39 (500 MB for 7 days). 1 GB for 7 days costs $4.43. The lowest price per GB is $1.30: 20 GB for 30 days. The final price is shown at checkout. Is there an unlimited data eSIM for Japan? Yes. Unlimited plans start at $12.11 for 3 days. Each includes 3 GB of high-speed data per day; after that, speed is reduced to 1 Mbps. Which mobile network will I use in Japan? KDDI or SoftBank, depending on the plan. Check the network shown on a plan before you buy. Does the eSIM for Japan include calls, SMS or a phone number? No. Plans for Japan are data-only. If you need a separate number for calls and texts, see the DualLine second line. How long are eSIM plans for Japan valid? Plans are valid for 3 to 30 days. Check when validity starts: on some plans it starts at installation, on others when the eSIM first connects. When should I install the eSIM for Japan? Install it over Wi-Fi before you leave, then switch it on for mobile data when you arrive. ## Sources and support Plan prices come from DualLine’s catalogue. Local facts link to the source we checked. - [International Trade Administration, U.S. Department of Commerce: Japan's 5G Networks](https://www.trade.gov/market-intelligence/japans-5g-networks) - [NTT Docomo: 「FOMA」および「iモード」サービス終了のご案内](https://www.docomo.ne.jp/info/3g_closed/index.html) [Contact DualLine support](https://dualline.co/support) · [Refund and cancellation terms](https://dualline.co/refund-cancellation) ## Your next step [### How to install an eSIM on iPhone Install your DualLine eSIM on iPhone with a QR code, supported link or manual details. Choose the data line and check activation before travelling. Read guide](https://dualline.co/esim/guides/install-esim-iphone) [### How to install an eSIM on Android Set up a DualLine travel eSIM on Android. Follow Samsung or Pixel settings, choose QR or manual installation and select the right data line. Read guide](https://dualline.co/esim/guides/install-esim-android) [### Travel eSIM prices by country Compare travel eSIM prices for 199 destinations: the lowest plan price, the lowest price per GB and the cheapest unlimited plan, all dated. Read guide](https://dualline.co/esim/guides/esim-prices-by-country) [### Will your travel eSIM connect? Networks by country See the local mobile networks DualLine travel eSIM plans use in 199 destinations, and the checks that help your eSIM connect when you arrive. Read guide](https://dualline.co/esim/guides/esim-networks-by-country)