Version requirements: iOS 4.7.0; Android/HarmonyOS 1.0.10
# Bind Purchase Information to Android/HarmonyOS
If you previously purchased iCost Premium on an iOS device, you can bind the purchase information to your current iCost account. After binding, sign in to the same account on an Android/HarmonyOS device to continue using Premium features.
# Steps
Register and sign in on Android/HarmonyOS Register with an email address or sign in directly with WeChat.
Sign in on iOS with the same account On your iOS device, go to App Settings › Profile Picture › View Personal Information › Switch to Account Sign-In, then sign in with the same iCost account used on Android/HarmonyOS.
Switch Apple ID and App Store ID Switch both your Apple ID and App Store ID to the account previously used to purchase iCost Premium.
Bind Purchase to Current Account Go to App Settings › Help & Feedback › More Options › Bind Purchase to Current Account, then tap it and follow the steps.
Membership status synced Restart the app on the Android/HarmonyOS device to show the corresponding membership status.
# Requirements
All of the following must be met
The Apple ID and App Store ID are the same ID, and there is a valid purchase record.
The same iCost account is signed in on iOS and Android/HarmonyOS.
# Notes
Important
To protect your account and Premium benefits, please do not share your account with others. Unusual sharing may result in the account being banned.
After the membership is bound successfully, the current Apple ID will remain linked to the iCost account, and unlinking is not currently supported. Please review your account details carefully before continuing.
If you have confirmed that the Apple ID, App Store ID, and purchase record are correct but the binding option still does not appear or an error occurs during binding, please contact support for assistance.
# Contact Support
Need more help? Our support team can help you verify account or purchase-record issues. Contact Support