Refund requests are processed on a case-by-case basis depending on the nature of the requests, unless you are within the 14-day withdrawal period, in which case you will be refunded on a pro rata temporis basis for the use you have already made.
Your purchase was made with your Apple Store account? Please contact Apple directly by following the instructions at this address:
https://support.apple.com/fr-fr/HT204084.
Your purchase was made from the Android store? Please contact Google directly by following the instructions at this address: https://support.google.com/googleplay/answer/2479637?hl=fr.
Your purchase was made from your browser? Please contact us directly from our customer service.