appStoreUserReviewsUrl function
Implementation
String appStoreUserReviewsUrl(String appId) => isIOS
? "itms-apps://itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?type=Purple+Software&onlyLatestVersion=true&pageNumber=0&sortOrdering=1&id=$appId"
: appStoreUrl(appId);