Remember, it’s always cheaper by the dozen.
1 day
30 days
1
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24
30
day
Remember, it’s always cheaper by the dozen.
1 GB
60 GB
1
5
10
15
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25
30
35
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GB
Best match
1.0 GB
/ 1 day
1 day of hold
Hold lets you pause your plan. While your plan is on hold, your days stay frozen until you’re ready to continue.
After activation, you can buy extra days anytime by going to My Account.
Note: Any amount of data usage on 1 calendar day will be counted as a full day.
2 hours/day
0.1 hour/day
0.2 hour/day
0.3 hour/day
$5.49
The data usage estimates are based on average user behavior and are provided for guidance purposes only.
Recommended for social media lovers
More data for your favorite social apps:
Viber
Treds
Snapchat
X
TikTok
Discord
Telegram
Signal
Facebook Messenger
+ $3.50
Offer details
Recommended if you're always online
Get 24/7 mobile data access to stay connected anytime, anywhere — enough for all your daily needs.
+ $8.00
Offer details
Recommended for video streamers
More data for your must-see streaming services:
Twitch
Youtube
Netflix
Apple TV
HBO
Hulu
Amazon Prime
Disney
+ $8.00
Offer details
Other available networks supported.
RedDogFish is for you if you:
You are a frequent traveler and don't want to overpay for roaming.
You have a remote job and need to be in touch everywhere.
You don't care about the technical details.
You value your time and choose easy connectivity.
You don’t want more complications in your life
There are no standard packages. You're in charge here and everything you need is yours.
No PDF instructions and no extra clicks. Just turn it on and you're in the game.
Apple Pay, Google Pay, Samsung Pay - Just click, and that's it!
While you are busy living your life, we are working in the background to make everything run smoothly and painlessly.
No complicated settings, long instructions, or lines in stores.
A virtual SIM card that works without any physical media.
Yes, we're in 190+ countries. Check the full list
[ here ].
Choose a plan → Get your eSIM → Activate it on your phone. Find out more
[ here ].
Use our support chat. We're here to help 24/7.
If your phone supports eSIMs, RedDogFish is ready to go.
Traveling to Japan? Whether you're planning a quick visit to Tokyo or a long journey across the islands, reliable mobile internet is essential. With RedDogFish, you can stay online without roaming fees, SIM card hunting, or store visits. Our eSIM for Japan gives you instant mobile data — no contracts, no physical cards. Just tap, scan, and surf.
Japan offers high-speed mobile networks and outstanding coverage — but getting connected as a visitor can be tricky. Buying a local SIM card often involves paperwork, language barriers, and inconvenient store visits. Roaming? Expensive. The solution: an eSIM in Japan.
With a digital eSIM, you can access mobile internet the moment you land. RedDogFish provides a Japan eSIM card that works across major cities and rural areas, so you're never offline during your trip.
An eSIM (embedded SIM) is a digital alternative to the traditional plastic SIM card. It's pre-installed on your phone and activated remotely via QR code. You don’t need to insert anything physically into your device — making it a fast, modern way to stay connected.
When you install your Japan eSIM, you gain access to local data networks without needing to buy a SIM in-store or deal with confusing activation steps. It’s travel tech made simple.
At RedDogFish, we focus 100% on mobile internet through eSIM. We don’t sell phone numbers, calls, or SMS — just fast, reliable data that’s ready when you are.
Here’s why we offer the best eSIM for Japan:
Looking for the best Japan eSIM? RedDogFish makes it easy.
Getting your eSIM for Japan is simple:
No delays. No SIM swaps. Just instant data wherever you go.
Wondering if your device works with a Japan eSIM card? Most modern smartphones and tablets support eSIM:
If you're using an iPhone, this is the best way to set up eSIM Japan iPhone data in minutes.
RedDogFish eSIMs are designed for anyone who needs fast and flexible mobile data in Japan:
A Japan travel eSIM ensures you’re never without Google Maps, email, or your favorite apps.
We offer eSIM Japan data plans to match your travel style — from short weekend breaks to long-term remote work stays.
Travelers have different internet needs depending on the length of their trip and how they use data. That’s why RedDogFish does not lock you into rigid or unlimited plans. Instead, you can customize your eSIM package to fit your journey.
With RedDogFish you choose:
This flexibility gives you complete control — whether you only need a few gigabytes for maps and messaging, or a larger allowance for video calls, work, and travel apps.
No matter what kind of journey in Japan you're planning, we have a perfect journey Japan eSIM option for you.
Is eSIM available in Japan?
Yes! Japan supports eSIM through top mobile networks. Our RedDogFish eSIMs give you access to strong and stable connections nationwide.
What is the best eSIM to use in Japan?
RedDogFish offers one of the best eSIMs for Japan with easy online purchase, fast delivery, and excellent performance.
Can I use a Japan eSIM on my iPhone?
Absolutely. We support all eSIM-compatible iPhones, from iPhone XR and up.
How do I activate my eSIM for Japan?
After purchase, you receive a QR code. Just tap or scan it, install the profile, and your mobile internet will be active.
Is this a physical SIM?
No. It's 100% digital — no plastic, no shipping, no waiting.
No roaming charges. No queues. No confusing local SIMs. Just simple, high-speed mobile internet in Japan with RedDogFish.
Buy your eSIM for Japan today and get connected in minutes. Whether it’s Tokyo, Kyoto, Osaka, or the mountains of Hokkaido — RedDogFish has your data covered.
