I have tried a few – for example “Guard” – and I was told it was not available in the UK.
Thanks for your comment!
Unfortunately, there tends to be some disparity with features available in the U.S. vs. other countries, which often receive those features later. We are U.S. based, but I have passed along your comments to Katherine to try and incorporate.
In the case of Guard, this was available to be enabled in the UK for a short time, but it is actually not available there currently.
Hopefully Amazon adds this to the UK (and the rest of the world!) in the near future.