Pink Piko is an innovative AI-driven app designed for mood journaling, offering an interactive and engaging tracking experience. Its key feature, Piko Cat, provides daily prompts that guide users in documenting and reflecting on their emotions, fostering emotional resilience and deeper understanding of mood patterns. Piko Cat poses insightful questions to help users pinpoint their emotions precisely and recognize triggers. Beyond basic tracking, Pink Piko includes tools to monitor how daily activities influence emotional states, helping users identify uplifting and challenging factors. Using AI, Pink Piko analyzes mood logs, tags, and journal entries to deliver personalized emotional insights. This goes beyond traditional data visualization, converting complex emotional data into clear, tailored insights that promote self-awareness and emotional well-being. Grounded in psychological research and continuously refined based on user input, Pink Piko offers an effective, practical approach to emotional tracking and analysis.