This app allowed me to add age verification to my store www.mtmvapes.co.uk it is a little slow in appearing and not as cutomisable as it could be
It's goog. It's a little quirky with uploading logos and background images, plus, the background image is not optimized for smartphones. Maybe the next version.
This is a great free app! Does just what is necessary, but it would be nice to have some other customization options like a different input format or custom design (more than just logo and color)