Hello , my name is John and I am a Swedish Mac & iOS Developer residing in Berlin, Germany.
I'm not familiar enough with windows dev to know how the Excel/Word/PDF export works. Are you using a library, or are you generating excel XML directly?
Could I have a look at the windows app? I’d like to examine it more closely, partly because of the exporting functionality, but also for the entry parsing code.
I can definitely put this together for you, but there's one thing I don't understand. You said you need the app to support all the way back to 10.5 Leopard. Is there a specific reason?
Supporting that far back is a major undertaking. I can't even remember seeing an app being that ambitious.
Table with filtering, the recording window, those are all no problem to create. It's the other, possible time sinks, that I'm wondering about, to be able to estimate better.
Feel free to reach out over the chat so that we can discuss further.
Best,
John