When the probes are plugged in, do you see a probe temp on the controller display? If there's no probe temp on the controller, there won't be one in the app.
The chart can show up to 4 lines: set temp, actual temp, probe A, probe B. (at least on Android, iOS may be different).
I skipped taking photos, but this weekend's cook included an 8.3 lb pork butt for an overnight cook started before bedtime on Saturday night. On Sunday afternoon we added 2 racks of St Louis ribs. The butt was seasoned with Bad Byron's Butt Rub and the ribs with Killer Hogs BBQ Rub.
The...