This app doesn't show the countdown timer below the ass to cart button but at the end of the product page on mobile where nobodt can see it. And there's no free trial.
There's a special setting for changing where the countdown timer shows on mobile, just for these kinds of situations. It's the last setting in the Settings tab. We're always available and can ensure everything works for you in minutes.
There's a 30 days trial. If you didn't get it, let us know and we'll assure you get it.