"Octopus" App is the upgraded version of "OctoCheck". It is an official application developed by Octopus Cards Limited and is a free application for NFC (Near Field Communication) enabled Android mobile devices and applicable to Octopus with 9-digit Octopus number (including eight digits plus one single digit inside the bracket). This application allows you to use the following services via the Internet on your Octopus:
• Check Octopus' remaining value, latest transaction records and other information
• Make Octopus Online Payment at designated online merchants
• Conduct Incomplete transaction refund enquiry and collection
The list of tested mobile device models for online payment, checking remaining value and transactions of your Octopus can be found at http://www.octopus.com.hk/octopus-app-phone-list-en
You can also check the latest list of tested mobile device models that support Octopus Mobile SIM at http://www.octopus.com.hk/sim-phone-list-en
To understand how to use “Octopus” App for online payment, please visit http://www.octopus.com.hk/online-payment-en
You can choose if "Octopus" App should start automatically upon detecting an Octopus at the "Settings" menu in the application.
When using Octopus Mobile SIM, you can enjoy the convenience of checking the remaining value using the Home Screen widget. Please visit http://www.octopus.com.hk/sim-en for more details.
• The Launch of Octopus Online Payment Service (Please open the “Octopus” App to register the Octopus number now! The service will be ready 24 hours after one-time registration.)
• Performance Tuning