Wealthsimple Invest is a Robo-Advisor that offers managed Investing services at an annual fee. It is great for conservative, hands-off investors who want to build wealth using the set-it-and-forget-it strategy. Wealthsimple Trade is a stock trading app that offers commission-free trading. It offers basic trading tools and is great for self-directed investors looking to trade and manage their investment accounts on their own.