A voucher can only be redeemed once. If you have already used the voucher (e.g., on the iOS app), it cannot be reused on another platform such as Android or Web. To use the service on a different platform, you must obtain or purchase a new voucher.
A voucher is valid for 12 months from the date it was first used/redeemed.
If the voucher is redeemed via a web browser, you must continue using the same browser and device that were used during the initial redemption.