Stay connected instantly anywhere in Japan

Download the app and choose a data plan that works best for you.

iOS Android
  • • No registration, no bank account, no credit card required

    Data rollover up to 180 days

    Each recharge extends SIM validity

    Top-up your data at convenience stores in cash

    Rechargeable data plans:

  • • No registration, no bank account, no credit card required

    Data rollover up to 180 days

    Each recharge extends SIM validity

    Top-up your data at convenience stores in cash

    Rechargeable data plans:

SIM Activation Guide

Download the TOP SIM APP to easily access your data.

  • Insert your SIM card into your device

  • Set up APN settings:
    For Android
    For iOS

  • Restart your device

  • Install the TOP SIM App

  • Scan the barcode from the SIM Card

  • Done!

1 of 6

Stay Connected Any Time with Rechargeable SIMs 📱

No registration or documents required.
Pay at any convenience store in Japan!

FOR RESELLERS

How to order and activate SIM

TOP SIM is a prepaid, rechargeable data SIM that can be easily topped up at any convenience store in Japan. Each top-up extends the SIM's validity—no contract, no registration needed. Just buy and use.

  • Order

    Place your order online through our secure Shopify store. Choose the TOP SIM card that fits your needs—whether you're an end-user or a reseller. End-users can purchase individual SIM cards, while resellers can take advantage of our bulk purchase option (1 lot = 10 SIM cards). Simply select your preferred option and complete your purchase with ease.

  • Payment

    We offer flexible payment options to suit your needs.

    • Credit card (Visa, Mastercard, JCB, Diners Club, American Express, Discover)
    • Smartphone payment (PayPay, au PAY, Rakuten Pay, Merpay)
    • Cash on delivery
    • Convenience store payment (Lawson, FamilyMart, Ministop, Seicomart, Daily Yamazaki)
    Please note: for this option, payment must be completed in advance before your order is processed.

    For companies, a postpaid invoice option is also available.

  • Shipment

    Once your payment is confirmed, we will promptly process and ship your order to the specified address. We partner with reliable couriers to ensure your package arrives safely and on time.

Interested in becoming a TOP SIM reseller?

Click the button below to discover the benefits and advantages of joining our reseller network!

Enjoy VoIP calls with "My 050" app

TOP SIM is a data-only SIM. For voice connectivity, explore our My 050 app!
With the My 050 app, you can make affordable calls within Japan and internationally. You can also apply for your own 050 number, allowing you to receive incoming calls directly in the app, along with a range of other benefits.

Learn more by visiting our website