Our apps work fine on macOS Sierra. Make sure you have the latest version available on our Downloads page. If the version you are using is the same as listed on this page, your software is up to date and compatible with rmacOS Sierra, otherwise, download the version listed on the page. However, before you buy an app, it is always best to first try the demo version to see if it works as expected, on your Mac.
Note: If you downloaded the app from the Mac App Store, you will be automatically notified of new versions via software update, you don't need you to go to our website.