RankU is a mobile application designed to support the growth of YouTube channels. It's a versatile and comprehensive tool that allows users to evaluate and optimize their content before publishing. The main function of RankU is to provide tailored, personalized recommendations for each user's channel and videos directly via the app. Leveraging the power of AI, RankU offers insights, probabilistic results, and custom recommendations. The app prompts users to validate their video or channel ideas, provides insights on competition, and suggests adjustments to enhance the likelihood of success in the target market. Furthermore, RankU allows users to take concrete actions based on these recommendations to foster growth. The app caters to both new and established YouTube channels. RankU also offers additional analytical depth and enhanced recommendations for Pro members. Despite the level or size of the channel, all YouTube content creators are encouraged to use RankU to obtain potentially cost-saving measures by validating their ideas before execution. The RankU app is available for free download.