iOS has a history of breaking the API with version updates. Sometimes it's such a PITA, large companies choose to remove their apps instead of upgrading them:

iOS has a history of breaking the API with version updates. Sometimes it's such a PITA, large companies choose to remove their apps instead of upgrading them: https://toucharcade.com/2015/09/23/bioshock-removal-2k-support-response/ https://toucharcade.com/2015/09/23/bioshock-removal-2k-suppo...