Seeking Planning/Tracking App with Customizable Daily Tracking and Schedule Templates

User is looking for an Android app to help with planning and tracking, prioritizing features that allow for customizable daily tracking with trend analysis, particularly to understand relationships between life factors (sleep, diet, migraines) and health issues. They also desire schedule planning that utilizes multiple templates adaptable to daily needs (e.g., 'good health day,' 'down day,' 'work day'). The app should offer reasonable pricing, with a preference for one-time fees over subscriptions exceeding $5/month. Input options for tracking should also be flexible.