The app doesn't report the same Bittrex 'cost/proceeds' value of trades that Bittrex reports on their GUI on the website.
Also, feature request for future versions, an option to set arb such that it accumulates the alt being arbed instead of BTC.
Another "upvote" for the reverse arb feature. I would also love to see an option to arbitrage the other base currencies that some exchanges support, LTC/XRP/Etc.