To update the PodiumIO Mobile App to the latest version, please read below -
Go to your app store and search for PodiumIO. Once you see PodiumIO, it will ask you to "Update". Click update and open the mobile app
In case, you do not see "update", click on your photo at the top right and search for PodiumIO and click on update.
In the mobile app, you can see the latest version by clicking on the menu > About
On Feb, 2022 > Latest Version launched is 6.3.003