NPO Ryoiku World (Location: Shibuya-ku, Tokyo; Representative Director: Takayuki Shigamitsu) has released "RD Log," a recording and visualization app for individuals living with rare diseases, chronic conditions, and unspecified ailments, and has begun a free trial. (Free trial period: Until September 30, 2026) RD Log is a tool that allows users to record daily health conditions, symptoms, fatigue levels, stress factors, workload, and other items customized to their individual symptoms and lifestyles. The recorded information is visualized as data, enabling users to reflect on changes in their own health, the underlying factors, and their relationship with their work style. RD Log Home Screen: Symptom/Workload Settings and Visualization of Recorded Content "I might have overdone it today." "I don't know what kind of work style makes me feel unwell." "I can't explain my condition well to those around me." Many people with rare diseases or chronic conditions face these challenges while working. By recording and reflecting on small daily changes, RD Log supports users in gaining awareness of their "personal patterns," such as: "What factors affect my health?" "What adjustments suit me best?" Another key feature is the ability to receive analysis results of recorded data using AI. This allows users to create "records for understanding oneself" tailored to them and utilize them for self-management. AI Analysis Result Example Ryoiku World advocates for "RD Worker (Rare Disease Worker)," referring to individuals working with or aiming to work with rare diseases, and aims for a future where all who wish to "work" can connect with society while valuing their individuality. Instead of separating illness and health changes as "special circumstances," we aim to view them as one of the differences and situations everyone has and to think about work styles together. To that end, we hope RD Log will support personalized self-management and serve as a stepping stone to finding one'