There are various possible reasons why a purchase doesn't work.

For details, please contact each store's customer center.

[Google Play Customer Center]
https://support.google.com/googleplay/answer/1267137?hl=en&ref_topic=3365268

[Apple Appstore Customer Center]
https://support.apple.com/en-us/HT203005

[Samsung Galaxy Store Customer Center 1:1 inquiry]
https://help.content.samsung.com/csweb/main/main.do