Best for: Professionals
Provided by one of the largest stockbrokers, the Interactive Brokers app is designed for active and advanced traders and boasts many global stocks.
Strictly speaking, there are no commission fees. However, to keep all users active, there are high charges for inactive accounts.
The interface is not so easy to use, but it is supported across all iOS and Android devices and comes with an exceptional chat tool, IBot.
This AI-based chatbot can be set to execute and close orders, set price alerts, and find niche assets.