It's a pretty simple app at this point and isn't really all that useful until they integrate upgrade availability (and ideally upgrade booking). My typical Flight Pass booking behaviour is to find a flight on the day I want to travel that has upgrade availability. If they could make this a one-step process that would be ^
Not sure why they have this as a separate app, but if it allows them to iterate faster than it probably is a good thing. On the profile screen it says "Designed and developed in Canada".