The WordGo app is currently available on iPhone and Android mobile devices. See below for the latest versions.
You can verify which app version you have by navigating to the Support tab which is the icon at the bottom with a question mark. The app version is right under the WordGo Helpdesk bubble on the righthand side of the screen.
1. Apple iPhones
Found in the Apple Store, the current WordGo app version for iPhones is 2.2.25:
2. Android Phones
Found in the Google Play Store, the current WordGo app version for Android mobile devices is 2.2.24: