If you have subscribed to La Touche Musicale from your iOS device (iPhone or iPad) and you wish to cancel it, you must do so from your Apple account from your settings.
To do so, here are the steps to follow:
1. Open the Settings app
2. Touch your name
3. Touch Subscriptions
4. Touch the subscription to La Touche Musicale
5. Touch Unsubscribe.
Once these actions are completed, your subscription will end at the end of the current period.