I've working on some page in my app and I just find out Frame.IsClippedToBounds property is not clipping its content. Here is a piece of code in my XAML:
<Frame Padding="0" HeightRequest="100" WidthRequest="100" HasShadow="False" BackgroundColor="White"
    CornerRadius="50" BorderColor="Teal" HorizontalOptions="Center" VerticalOptions="Center"
    IsClippedToBounds="True">
    <Frame.Content>
        <StackLayout BackgroundColor="Silver" VerticalOptions="FillAndExpand" HorizontalOptions="FillAndExpand"/>
    </Frame.Content>
</Frame>
It works perfectly in iOS but not in Android as you can see in the attachments bellow.
iOS
Android


