The author of the software disagrees with you, otherwise his response here would not have included the word "sorry": https://www.hackerneue.com/item?id=14347371
Also, the show this app is based on is accessible to an international audience.
Also, the show this app is based on is accessible to an international audience.
The authors of this app don't owe you anything and are entitled to sell it in whatever countries they so choose. Additionally, the app doesn't even get listed in countries it's not available in. The only reason you and other non-US users (such as myself) are able to see it is because the OP posted a link to the US version of the app store on a forum where the vast majority of visitors are US-based. Get off your high horse.