I know a lot of grogs are gonna get salty about this but using dice apps is fine especially for things like fantasy flight dice. And there are people on Etsy selling knockoffs. So you shouldn’t feel bad about publishing a game using those dice. Let’s be real, most of the market is people who won’t play anything unless it says 5e on it
I’d be very surprised if Modiphius did anything other than 2d20 here, it’s their in-house system and I can’t think of a single RPG they’ve put out since the original A!C that doesn’t use it. It’s not exactly surprising that Games Radar wouldn’t know this, but it’s still funny.