Which version of your favorite applications do you have on your Mac? Are they all up to date? Well, instead of checking them out one by one, you can download a tool like Appversion.
Almost an application updater
And we've said almost because at the end of the day you're going to have to update them by yourself. It would be great if it could do so automatically, but while we wait for that to happen in future developments, we'll have to make do with the thought that at least we can decide what and when we want to update.
Some help to keep your Mac updated.
What it basically does is show us the applications installed on our Mac with a list obtained by means of an online query indicating their status, whether there are new versions or if we're already up to date, even being able to find those apps in subfolders. The next step for the user would be to find the latest version on the developer's website.