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Roam in Japan

Stay connected in Japan with fast, reliable roaming on your SIMBA plan. Activate instantly with eSIM, or use your physical SIM, no swap required.

Preferred Local Operators

KDDIRakuten

Choose your roaming plan

Japan is included as part of your APAC roaming data. Pay-per-use at $4/GB once your roaming quota is used.

Essential apps for Japan

Stay connected, navigate and translate with these must-have apps.

Japan Travel

Japan Travel

Navigate trains, buses and subways

LINE

LINE

Chat and call with anyone in Japan

Suica

Suica

Top up and tap to ride transit

PASMO

PASMO

Your all-in-one IC card for Japan

One SIM.
Up to 15 APAC Countries.
60+ Global.

Your 500 to 800GB data allowance works across Singapore, Malaysia, Thailand, Indonesia and Hong Kong. Every plan also covers roaming in up to 15 APAC countries including Japan, with global access across 60+ countries.

All plans come with unlimited local SMS and free voice roaming. Take calls while you travel without worrying about the bill. Enjoy rollover for any unused data and talktime, so nothing goes to waste.

eSIM

No SIM Swap Needed

Rollover

Unused Data & Talktime

5G

Network Speeds

Free

Voice Roaming

Local Data Countries (All Plans)

SingaporeMalaysiaThailandIndonesiaHong Kong

Extra APAC Roaming Countries

ChinaJapanSouth KoreaTaiwanAustraliaIndiaPhilippines

Japan Roaming Tip

Japan has one of Asia's most reliable 5G networks. With SIMBA, you'll roam on KDDI and Rakuten's networks across Tokyo, Osaka and Kyoto — so LINE, Google Maps, Suica and PASMO all work seamlessly from the moment you land.

Trusted by 1M+ Singaporeans

Real reviews from SIMBA customers

“Went to Japan recently with SIMBA Senior Plan. Roaming was a breeze with SIMBA in Osaka, Kyoto and Tokyo. I'm able to WhatsApp my daughter.. Thanks SIMBA for providing the affordable plan for seniors. I used it overseas many times with no issues. Great job!!”

— Terry Lee

“SIMBA SIM card roaming was fantastic. Used in China without problem in accessing Whatsapp, Facebook and Google search. Also ever used in Taiwan and Indonesia with ease :)”

— Heidi Lim

“SIMBA is prompt, efficient and has great customer service. Have been with SIMBA for many years and very happy. With the recent upgrade, the free extra roaming is the best!”

— Angie

Frequently asked questions

Do I need to configure anything when I arrive in Japan?
No special configuration is required. Simply ensure data roaming is turned on in your phone settings before you travel. When you land in Japan, your phone will automatically connect to a local partner network.
Does SIMBA support eSIM? How do I activate it?
Yes, all SIMBA plans support eSIM. You can activate your eSIM digitally — no physical SIM card needed. Simply scan the QR code provided after signup, and you'll be connected within minutes.
What does "Free Voice Roaming" mean?
Free Voice Roaming means you can receive incoming calls at no extra charge while travelling in any of our roaming countries, including Japan. Outgoing calls use your included SG + IDD minutes.
Is there a contract or lock-in period?
No. All SIMBA plans are contract-free. You can switch plans, pause, or cancel anytime with no penalties.

Ready to roam in Japan?

All SIMBA 5G plans include international roaming. Buy now to get started.