The installer version is the right indicator of the application version. Please note that the app version displayed on the MyZen window will differ. Please review the App Versions article for the latest version information.
Check the contents of /Applications/MyZenV2.app/Contents/MacOS/version.txt (Right-click the app and click ‘Show Package Contents’ to go inside the folder)
Check the contents of /usr/local/zs/zs.app/Contents/MacOS/version.txt (Use the instructions mentioned above to reach this folder or use the terminal and type cat /usr/local/zs/zs.app/Contents/MacOS/version.txt