Tradecopia's own FAQ and feature pages describe several capabilities as absent or in progress. Each of these is shipped in CrossTrade, so if any is load-bearing for you, it is worth testing before you commit.
Trailing stops as automation, not a manual action
Tradecopia documents trailing stop handling as a manual operation rather than an automated one. On CrossTrade the alert carries it: order_type=trailingstop is native on Tradovate, an ATM group can arm a trailing tier once the trade is up by a distance you set, and NinjaTrader ATM templates with auto-trail run the same way through strategy=.
TradingView webhooks, today
Tradecopia lists TradingView webhook routing as coming soon. Webhook execution is the original CrossTrade product. A TradingView alert can enter through CrossTrade webhook automation, reach a source account, and flow through the copier to mapped followers.
ATM-style bracket automation
Tradecopia describes advanced ATM automation as in development. CrossTrade supports Tradovate ATM behavior and NinjaTrader ATM templates now.
More than one copy group per account
Tradecopia's FAQ states an account cannot participate in multiple simultaneous copy groups. If you run overlapping mappings, confirm that constraint against your setup before migrating either direction.