I have created some banner and interstitial ads on AdMob and implemented them in my android studio project. But the live ads aren't showing up in the release as well as debug version. When I set any device as a test device, then the test ads load on that device. I followed the advice given on some StackOverflow answers and waited for two weeks, but still, the problem persists. Some say that the ads will not be shown if your app is not added to the play store. Is it true?
I have followed the advice given in below questions: