Ally Invest is a great choice for beginner investors. Their low fees and user-friendly interface make it easy to get started with investing. They offer a wide variety of investment options, including stocks, ETFs, options, and mutual funds. While some users have reported issues with customer service and technical glitches, overall the platform has received positive ratings for its affordability and ease of use. If you're looking to start investing, Ally Invest is definitely worth considering.