Best Prepaid eSIM Japan with Fast Delivery and Convenience

eSIM is undoubtedly the best choice for staying connected when traveling to Japan. Compared to buying a SIM card at Narita or Haneda Airport or renting a Pocket WiFi, ordering an eSIM in advance is more affordable and ensures you won’t run into stock shortages for your Japan Trip. Even if you decide to purchase an eSIM upon arrival, you can usually get connected within five minutes—allowing you to contact your hotel, navigate easily, and share your travel moments instantly. Unlike physical SIM cards, an eSIM doesn’t require swapping, eliminating the risk of losing it. Since it’s a virtual SIM stored on your phone, it’s also lighter than carrying a Pocket WiFi device and doesn’t require worrying about battery life. Whether for convenience or security, eSIM is the best internet option for your trip to Japan.

Order your eSIM now and stay connected the moment you land in Japan 🚀

How to Buy & Receive Your Japan eSIM: How Fast Can You Get It?

Traditional SIM cards and Pocket WiFi rentals usually require booking 3 to 4 days in advance and picking them up at the airport or a post office. But eSIMs in Japan are completely different!

Order online and receive your activation code in as fast as 5 minutes
Instant delivery via email or directly on the website—no need for shipping or pickup
No physical SIM, no risk of loss—everything is set up on your phone

Simple Steps to Purchase a Japan eSIM

Select a plan that suits your needs (Fixed Data / Unlimited Data)
Complete payment and receive your activation QR code within minutes
Activate upon arrival in Japan and get online in just 5 minutes!

Compared to traditional SIM or WiFi rentals, eSIM makes your journey much smoother!

Feature	eSIM Japan	Airport SIM Card	Pocket WiFi
Purchase Method	Online order	Buy at airport/store	Pre-book & pick up
Delivery Method	Instant email delivery, received in minutes	Buy on-site, may require waiting	Pick up at airport/store
Risk of Loss	No physical SIM, zero risk	May be lost	Requires device management, replacement fees if lost
Ease of Use	Setup directly on phone, ready to use	Requires SIM card swap	Must carry device & charge regularly

Who Should Choose an eSIM?

An eSIM is ideal for travelers who:

✅ Don’t want to waste time looking for a SIM card or waiting in line at the airport
✅ Are worried about losing a SIM card or Pocket WiFi device
✅ Want to immediately access Google Maps, book a ride, or contact friends and family upon landing

Summary: With eSIM, there's no waiting, no pickup, and no SIM swapping—just get online in 5 minutes!

Buy your eSIM Japan now and stay connected instantly upon arrival 🚀

CDJapan Rental eSIM Plans Comparison

CDJapan Rental offers both unlimited data and fixed data eSIM plans, with multiple options tailored for different trip lengths. Choose a plan based on your travel needs:

30GB (8 days) - Ideal for short trips
50GB (16 days / 31 days) - Perfect for mid-to-long-term travel
135GB (91 days) - Best for long-term stays
Unlimited Data (5/15/31 days, from ¥2,800) - Great for heavy data users

Once your purchase is complete, you’ll receive an email from CDJapan Rental. You can find your eSIM QR code in MyPage and activate it by scanning the QR code or manually entering the eSIM details in your device settings. Follow the instructions, complete the setup, and your eSIM will be ready to use.

Note: Your eSIM validity starts upon activation. Please activate it after arriving in Japan. Once activated, refunds cannot be issued under any circumstances (e.g., incompatible device, accidental deletion, etc.).

eSIM Pre-Order vs. Buying eSIM on Arrival: Which is Better?

Pre-Ordering is More Reliable—No Stock Shortages

If you wait until you arrive in Japan to buy a SIM card or rent a Pocket WiFi, you might face these issues:

SIM cards at airport counters may sell out, forcing you to find alternatives in the city
Pocket WiFi rentals require reservations, and you might not find a suitable plan on the spot
No internet upon landing, making it difficult to check for alternative options

By pre-ordering an eSIM, you can avoid all these hassles! Get online within 5 minutes of landing—no need to wait in line or search for WiFi.

Cost Comparison: Pre-Ordering is Usually Cheaper

Buying a SIM card or renting a Pocket WiFi at the airport is often more expensive due to:

Higher costs at airport stores due to labor and rental fees
Fewer on-the-spot plan options, meaning you might not get the best deal
Pre-order discounts, allowing you to save money

💡 Buying a SIM card at the airport may cost ¥3,000 - ¥7,000, while pre-ordering an eSIM costs only ¥2,000 - ¥4,000

💡 Pocket WiFi rentals cost ¥1,200 - ¥1,500 per day at the airport, but pre-booking reduces costs to ¥250 - ¥700/day

Summary: Pre-ordering a Japan eSIM saves you time, money, and the risk of running out of options. Activate mobile data immediately upon landing and enjoy seamless connectivity!

Pre-order your eSIM now and ensure instant connectivity in Japan 🚀