PASMO
Pass and money
IC
Balance
¥1,240
Pasmo
···· 4017
Kaiken turns your phone into an instant balance and history reader for Suica, Pasmo and Icoca. No account, no fees, no data sent anywhere. Just tap and read.
Launching soon on Google Play and the App Store.
Welcome back
Your IC cards
PASMO
Pass and money
Balance
¥1,240
Pasmo
···· 4017
ICOCA
IC operating card
Balance
¥8,650
JR West
···· 7732
Suica
Super urban intelligent card
Balance
¥4,820
JR East
···· 9281
Designed for travelers and residents who want a clean, no nonsense way to check their Suica, Pasmo or Icoca.
Hold your card flat against the back of your phone. Kaiken reads the balance in under a second.
See your last rides and store purchases right after the tap. Useful for tracking spend in Japan.
Suica, Pasmo and Icoca supported, including their regional variants used across the country.
No account, no servers, no analytics on your taps. Everything happens locally on your device.
Welcome back
Your IC cards
PASMO
Pass and money
Balance
¥1,240
Pasmo
···· 4017
ICOCA
IC operating card
Balance
¥8,650
JR West
···· 7732
Suica
Super urban intelligent card
Balance
¥4,820
JR East
···· 9281
Three taps from open to balance. No setup, no top up screens, no sign in.
Open Kaiken
Launch the app and tap the scan button. Your phone is ready in a second.
Tap your card
Hold your Suica, Pasmo or Icoca flat against the top back of your phone.
See your balance
Balance and recent transactions appear instantly. Switch between linked cards anytime.
Kaiken reads the IC family used across Japan, from Tokyo to Osaka and beyond.
Suica
Super urban intelligent card
Balance
¥4,820
JR East
···· 9281
Suica
PASMO
Pass and money
Balance
¥1,240
Pasmo
···· 4017
Pasmo
ICOCA
IC operating card
Balance
¥8,650
JR West
···· 7732
Icoca
Does Kaiken work without internet?
Yes. Reading your card uses your phone's built in NFC, so it works offline.
Do I need to create an account?
No. There is no sign in. Your card data never leaves your phone.
Which phones are supported?
Any modern Android phone with NFC and recent iPhones with NFC reading enabled.
Is Kaiken free?
Yes. Kaiken is free thanks to our partners listed in the app.
Be the first to know when Kaiken launches. Available soon on Google Play and the App Store.