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"Octopus" App

Octopus App - Check your Octopus transactions anytime, anywhere.

The "Octopus" App is an official application developed by Octopus Cards Limited and is a free application developed for NFC (Near Field Communication) enabled Android mobile devices or iOS mobile devices paired up with Octopus Mobile Reader. This application allows you to use your Octopus for the following services via the Internet:

  • Check Octopus' remaining value, the latest transaction records and other information¹;
  • Make Octopus Online Payment at designated online merchants²;
  • Collect online payment refund (Only applicable for Taobao® Marketplace's payment);
  • Conduct incomplete transaction refund enquiry and collection;
  • Activate AAVS²;
  • Receive refund and AAVS activation notification;
  • Transfer money to O! ePay³;
  • Top up your Octopus via O! ePay³.
Octopus Mobile Reader Details

¹ Other information includes Octopus auto-reload amount (applicable to subscribers of the Octopus Automatic Add Value Service (AAVS)), Octopus Reward$ balance (applicable to holders of Octopus Rewards Membership Octopus), enquiry date, time and last reload date either by AAVS or cash.

² Octopus Online Payment Service and Octopus AAVS Activation are currently not applicable to the Octopus Mobile SIM installed on the same device.

³ Only applicable to iOS mobile device users. NFC enabled Android mobile device users can complete the transaction via O! ePay App directly, instead of using the "Octopus" App.

Android iOS
System Requirement
  • Android 4.0 or above
  • NFC enabled
Step-by-step Demonstration
Useful Tips
  • Please place your Octopus at the back of the mobile device until the enquiry completes.
  • Please place only one Octopus at a time during the enquiry. Do not place two or more cards at the back of the mobile device simultaneously.
  • The design of the NFC antenna and transmission power of each device varies. Most of the handsets are able to read the Octopus in close contact distance. If your Octopus cannot be read properly, please try placing your Octopus about 1 to 2cm away from your handset.
  • Please click here(tested NFC mobile device models) for tested NFC mobile device models and the NFC detection area for selective models.
  • Must equip with an Octopus Mobile Reader and successfully pair up the Octopus Mobile Reader with the iOS mobile device in order to use the "Octopus" App
  • Please place your Octopus on the Octopus Mobile Reader and do not remove until the enquiry completes.
  • Please place only one Octopus at a time during the enquiry. Do not place two or more cards on the Octopus Mobile Reader.
  • Please go to the Bluetooth settings and choose "Forget this device" and proceed with pairing again if the Octopus Mobile Reader has been paired with other devices.
  • You can put your registered Octopus and Octopus Mobile Reader into the card holder provided for the ease of carrying.

Download Application

open Google Play to download "Octopus" App open App Store to download "Octopus" App

You can also search and download from the Google Play and App Store!Download "Octopus" App

Note:

  • Each mobile device can register up to 20 Octopus via this application.
  • This application is only applicable to Octopus with a 9-digit Octopus number (eight digits plus one single digit inside the bracket).
    If you are a holder of a First Generation On-loan Octopus (last digit of card number has no bracket), you can replace it at the Octopus Service Points located at designated MTR stations and the Link REIT shopping centres free of charge in order to enjoy the services in the "Octopus" App. Find out more (Octopus Card Replacement programme)!
  • The Octopus Online Payment Service will be ready 24 hours after one-time registration on your mobile device.

Octopus Mobile SIM

You can also use this application to check the remaining value and the latest transaction records of your Octopus Mobile SIM. Please click here(tested NFC Android device models) for the tested NFC Android device models that support Octopus Mobile SIM.

To enquire the Octopus Mobile SIM information, simply:

  • Turn on the NFC function.
  • Click "Tap to show details" on the Octopus Mobile SIM banner to obtain the remaining value and the latest transaction records.

Alternatively, you can enjoy the convenience of checking the remaining value by one click on your "Octopus" App Home Screen widget. Please click here for Octopus App Home Screen widget for details.

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Did you know?

Octopus processes over 3 million transactions a day through the MTR system, saving time and money for commuters and the MTR Corporation.

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