While we don't have a mobile app, we have designed Tettra to work well on a mobile browser. Your team can view Tettra from their phone or tablet and even add an icon to their home screen.
Currently, we do not offer a native Tettra app for Mac or PC that you can use for offline support.
Instead, we allow Admins to export all Tettra content for offline viewing. For step-by-step instructions, check out this article.
If you only want an experience similar to a native app, here are alternative solutions for Mac and PC: