The PTminder Mobile Apps are available and compatible with Apple (iPhone, iPad - iOS 10+) and Android (5.0+) devices.
You can download the apps on your device by searching for the term "PTminder" on your App Store.
Alternatively, here are direct download links:
The Mobile Apps are available to both Trainer & Client accounts (if the Trainer has enabled Client access in their settings.)
Or if you're looking to have your own custom branded Mobile Apps, check out this article.