I will start by requesting for something that can easily enter orders for options and options combo. IB TWS simply lags like crazy especially when streaming options chain
CBOE SILEXX. Very easy. you can drag and drop, use preset spreads with a right click, save spreads, monitor spreads in a watch list.
ibkr ipad version is fair straightforward. options bid/ask is noticeable, so few seconds delay may not affect the fill. i trade fops, particularly cl, on my ibkr mobile app.