GPTMyDay is an AI tool that helps users plan their day by generating personalized daily plans. By entering details such as activity type, location, and budget, users can generate a plan created by ChatGPT"s AI technology. The tool allows users to review and download the plan, and also provides a personalized history feature for revisiting previous plans. Testimonials highlight the tool"s effectiveness in planning outings, saving time and effort, and providing accurate recommendations for activities, restaurants, and hotels. The tool offers a Pro version with additional features and ad-free usage for $4.99/month. GPTMyDay"s innovative use of AI technology makes it a valuable tool for individuals looking to optimize their daily planning process and discover new experiences.