The best trading journal for Thinkorswim is RizeTrade, with TraderSync and Trademetria as strong alternatives that handle thinkorswim's complex options data well. When you use the broker import option, only Thinkorswim will let journals automatically recognize your options strategies.
RizeTrade supports broker imports from ThinkorSwim alongside Webull, Interactive Brokers, TradeStation, Tradovate, and E-Trade.
RizeTrade adds emotion tagging and rule adherence tracking that catch the discipline issues thinkorswim's powerful platform can mask.