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Clay Thomas
Klook is a Hong Kong-based travel booking platform where travelers can book tours, attraction tickets, transportation, accommodation, and other travel experiences. It also offers Japan eSIMs through its app, giving travelers another way to organize their trip in one place.
Klook and Journey Japan eSIM offer different options for staying connected in Japan. Klook lists eSIM plans from several suppliers, with different data allowances and network options, while Journey Japan eSIM offers fixed-data and True Unlimited plans using local Japanese networks. Journey Japan eSIM also provides coverage across all 47 of Japan's prefectures.
In this guide, we'll compare Klook Japan eSIM and Journey Japan eSIM, looking at network coverage, data plans, speed restrictions, hotspot support, setup, customer service, and pricing to help you decide which option is better suited to your trip.
Journey Japan eSIM
Journey Japan eSIM is a Japan-focused eSIM provider offering data plans for travelers visiting the country. Its plans connect to local Japanese mobile networks, with NTT Docomo available on fixed-data plans and KDDI on True Unlimited plans.
Network Coverage in Japan
Journey Japan eSIM connects to local Japanese networks rather than relying on a third-party roaming connection. It offers 99% data coverage across all 47 of Japan's prefectures, from major cities to smaller towns and rural areas.
This coverage can be particularly useful if your travel plans take you outside major destinations such as Tokyo, Osaka, and Kyoto. Whether you're visiting smaller towns or traveling through the country, having access to local networks can help you stay connected throughout your trip.
Journey Japan eSIM offers both fixed data and True Unlimited plans, so you can choose based on how much data you expect to use during your trip. Both plan types support 5G and 4G/LTE connectivity, depending on your device, location, signal strength, and local network conditions.
Journey Japan eSIM has conducted speed tests across Japan to measure real-world performance, recording average download speeds over 300 Mbps and a peak speed of 1.6 Gbps.
These figures are based on Journey Japan eSIM's own field tests and are not guaranteed speeds. Actual performance can vary depending on your location, device, and network conditions. You can view more results in the Journey Japan eSIM speed test database.
Fixed Data and True Unlimited Plans
Journey Japan eSIM offers two main types of data plans: fixed-data plans and True Unlimited plans.
Fixed-data plans include 10GB, 20GB, and 50GB of data, with 30 days of validity once activated. You can install your eSIM before your trip, and your plan will begin when it connects to a local network in Japan.
True Unlimited plans have no daily data limit or speed reduction after reaching a data allowance, so you can continue using high-speed data without worrying about running out. Travelers who regularly stream videos, make video calls, or work remotely during their trip may find this plan particularly useful.
You also have an activation window after purchasing your plan:
Fixed-data plans: 45 days from purchase
True Unlimited 5G plans: 180 days from purchase
These periods act as a grace period for activating your eSIM. If you don't activate it within the applicable window, it will activate automatically when that period ends, and your plan's validity countdown will begin. This means it's worth checking your travel dates before purchasing so you don't lose any of your plan's validity.
Hotspot and Tethering
Journey Japan eSIM supports hotspot sharing, allowing you to connect other devices, such as a laptop or tablet, or even a family member or friend's phone, to your mobile data connection.
Hotspot allowances work differently depending on which plan you choose:
Fixed-data plans: Hotspot use comes out of your regular data allowance
True Unlimited 5G 7-Day plan: 7GB of hotspot data
True Unlimited 5G 15-Day plan: 15GB of hotspot data
True Unlimited 5G 30-Day plan: 30GB of hotspot data
The True Unlimited 5G hotspot allowance is pooled across the entire plan period, rather than being refreshed daily. This gives you more flexibility to use it when you need it most. For example, you could use more hotspot data on a quieter day when you're catching up on remote work, uploading travel photos, or making video calls to family back home.
Just keep in mind that the hotspot allowance is separate from the unlimited data available to use on your phone. If you're new to hotspot sharing and want to learn more about how it works with an eSIM, check out our guide: Can You Hotspot With an eSIM?
Journey Japan eSIM Setup and Customer Support
One concern travelers may have when choosing an eSIM is how easy it is to set up. Journey Japan eSIM keeps things straightforward. After purchasing a plan, you'll receive a QR code by email that you can scan to install the eSIM. There's no separate app to download, and you can install the eSIM before your trip so it's ready when you arrive in Japan. You can also keep your existing SIM in your phone.
If you run into any problems, Journey Japan eSIM offers Japan-based customer support 24 hours a day, in English and several other languages. This can be helpful if you need assistance outside normal business hours in your home country, especially when you're traveling across time zones.
If you're new to eSIMs and want a step-by-step activation guide, check out our guide on how to activate an eSIM on iOS and Android.
Journey Japan eSIM Plans and Pricing
Journey Japan eSIM offers several fixed-data and True Unlimited 5G plans, depending on how much data you expect to use and how long you'll be staying in Japan.
Plan | Data | Validity | Current Price (USD) |
|---|---|---|---|
10GB Japan eSIM | 10GB | 30 days | $19 |
20GB Japan eSIM | 20GB | 30 days | $29 |
50GB Japan eSIM | 50GB | 30 days | $49 |
True Unlimited 5G | Unlimited | 7 days | $29 |
True Unlimited 5G | Unlimited | 15 days | $49 |
True Unlimited 5G | Unlimited | 30 days | $79 |
Prices reflect the rates listed at the time of publication.
Journey Japan eSIM is priced above the cheapest marketplace listings. It's worth knowing what the difference covers. Every plan, including the fixed-data options, supports 5G where it's available, rather than being limited to 4G LTE. Coverage runs at 99% across all 47 of Japan's prefectures. Support is based in Japan and available in several languages around the clock, and on True Unlimited 5G plans the data is genuinely uncapped, with no daily high-speed limit to work around.
Best for: Travelers looking for a Japan-focused eSIM with a choice of fixed-data or True Unlimited 5G plans, local network coverage, and hotspot support.
Klook Japan eSIM
Klook is a Hong Kong-based travel booking platform offering everything from tours and attraction tickets to transportation and accommodation. In recent years, it has expanded into the eSIM market, allowing travelers to purchase and manage their Japan eSIM through the Klook app.
For this comparison, we're looking at Klook's eSIM Japan | Softbank 5G / IIJ (Docomo) 4G LTE listing, which offers different package options depending on how much data you need and how long you'll be staying in Japan.
Klook offers two main package options:
Data per Day: A set allowance of data that refreshes each day.
Data in Total: A fixed allowance of data to use throughout the selected validity period.
The network also depends on which data package you choose. Klook lists SoftBank 5G for its Data per Day plans and IIJ (Docomo) 4G LTE for its Data in Total plans. Therefore, network and connection type can differ depending on your chosen plan.
Data per Day plans come with a choice of 1GB, 3GB, or unlimited data per day. The 1GB and 3GB options are suitable for travelers who mainly need mobile data for everyday tasks such as checking maps, messaging, and browsing. Your allowance refreshes each day, so you don't need to save unused data for later. However, if you use up your daily allowance earlier than expected, you'll have to wait until the following day for it to reset.
Klook's unlimited Data per Day option is available for different trip lengths. A 7-day plan costs $21.20, a 15-day plan costs $38.40, and a 30-day plan costs $61.25. Although these plans are listed as unlimited, they include 10GB of high-speed data per day. Once you've used that allowance, your connection speed drops to 128 kbps for the rest of the day.
This is known as throttling, which means your internet speed is deliberately reduced after you reach a specified data limit. At 128 kbps, activities such as loading image-heavy websites, uploading travel photos, and making video calls can become much slower. If you plan on working remotely or regularly uploading videos during your trip, this restriction is worth considering before choosing a plan.
Data in Total plans provide a fixed amount of data to use throughout the validity period, rather than refreshing your allowance each day. Klook's total data packages range from 500MB to 50GB, with validity periods ranging from 1 to 30 days. However, the available data allowances and durations are limited to set combinations rather than allowing you to choose any amount of data or any trip length. For example, travelers who want the largest 50GB allowance must select a validity period of at least 15 days, even if they're only visiting Japan for a week. This means they may end up paying for a longer validity period than they actually need.
For a 30-day plan, available Data in Total options include:
10GB: $15.09
20GB: $20.69
50GB: $24.85
It's worth checking the connection type alongside the price. Klook lists these Data in Total packages as 4G LTE, so the larger allowances on this listing don't include 5G access, even in areas where 5G is available.
Klook's installation process varies depending on your device and the eSIM you purchase. Installation can be done via the Klook app, QR code, or by entering the eSIM details manually.
Klook provides 24/7 customer support through English-language live chat. This can be useful if you run into problems with your booking or eSIM while traveling.
Klook also supports hotspot sharing, allowing you to use your eSIM's data connection on other devices. However, Klook doesn't specify whether hotspot data is subject to any separate limits or restrictions.
Best for: Travelers who prefer managing their travel bookings and eSIM arrangements through one platform, with a choice of daily, total-data, and unlimited plans depending on their needs.
Get Connected in Japan With Journey Japan eSIM
Klook is a travel booking platform first. It sells eSIMs alongside tours, tickets, and hotels, sourced from a range of suppliers. Journey Japan eSIM does one thing: it is a dedicated eSIM provider built specifically for Japan, by a team based in Japan.
That focus is what shapes the product. Every plan runs on local Japanese networks with 99% coverage across all 47 prefectures, so your connection holds up in Hakone, Shikoku, or the Tohoku countryside, not just in central Tokyo. Every plan supports 5G where it's available, including the fixed-data options. True Unlimited 5G means what it says: no daily high-speed cap, no throttling once you pass an invisible limit, so you can stream, video call, and upload all trip without rationing anything. And if something goes wrong at 2am in Kyoto, support is based in Japan, available around the clock, and speaks your language.
Setup takes a couple of minutes. You'll get a QR code by email, scan it, and keep your existing SIM in place. Install it before you fly, and nothing starts counting down until your phone actually connects to a network in Japan.
If you're also weighing the global marketplaces, our comparison of Airalo vs Holafly vs Journey Japan eSIM and our Mobal vs Sakura Mobile vs Journey Japan eSIM comparison cover how those stack up for a Japan trip.
Ready to sort out your data before you land? Browse Journey Japan eSIM plans and pick the one that fits your trip.
