I've been running a pair of RCBS Matchmasters and for the most part I like them--though there is always a minor discrepancy (.04 grains) between the two scales. Also, the app is a bit buggy. But I like how you can switch powders pretty easily, which seems to be a drawback of the Autotrickler systems--unless I have that wrong. Has anybody run both systems? Thoughts on how the two compare?