The following links work on all operative systems. On Apple devices (iOS, macOS, etc.) it shows the app in the App Store, on other OSes it uses the browser and navigates to the app page on App Store.

These links go to the app with ID 123456789 and show the page in device language

• https://apps.apple.com/app/123456789
• https://itunes.apple.com/app/123456789

If you want the page to be region specific

• https://apps.apple.com/de/app/123456789
• https://itunes.apple.com/de/app/123456789

To get the ID of your app, go to https://appstoreconnect.apple.com/apps, select the app, the ID is in the URL