You can view it here: Go to Profile page   Payment & transactions   3. Payment history

Click on this icon at the bottom of the screen.   The vouchers will be displayed in the “Active” tab and pinned at the top of the page.

Promotional vouchers are available in limited quantities and there may be restrictions on the number of vouchers that each user can purchase.

Select the voucher you wish to purchase.   Click on ‘Buy now’ button.   Indicate the quantity and select the card you wish to pay with. If you wish to pay with another card that has yet[…]

Deals that are purchasable in the app will have additional details like price and discount tags highlighted in purple.