How to check if the Selector is from Hextom Translate & Currency App

One way to tell is to inspect element. For example, for this site,

We can see that the word "ht-tms" is not present, so we know that this is not from our TMS app.

Here is another example for a shop that has the TMS app selector

When we inspect element, we can see that the "ht-tms" is present

We can also see it here