I recently purchased the Google Play card for special offer Memrise but it said that it is not eligible to purchase.
This is the last day of the cyber deal week
I might not purchase the special offer 
P.S I never been a pro subscriber
Hi,
Unfortunately Google Play balance and vouchers are only valid for one-off payments.
As the Pro subscription is set as a recurring transaction by default, it can’t be paid for using these methods.
If you got the Play balance for Memrise specifically, it may be worth reaching out to the PlayStore to request a refund.
Many apologies for any inconvenience caused!
http://feedback.memrise.com/knowledgebase/articles/1084570-how-to-purchase-memrise-pro
HI there
I just had the same problem not having read the hudge amount of all conditions. Now I bought the 1year subscribtion by credit card which I was told ba google support can easily be turned to a one time purchase. Now trying to cancel the subscribtion as beeing told in memrise help (english!!!)on memrise pro file in order to get rid of the payment renewal im told ba e app popup that if I cancled I won’t no longer have access to all the PRO learngames any longer. Now I do not know what happens when I desubscrib wothin the 30 days but not wanting a refund …just cancel the renewal payment???I paid for a whole year all PRO gadgets.
Please help thanks