SPF: Tanning & UV Index App by BluPalms represents a specialized approach to sun exposure management, positioning itself as a digital tanning coach that balances aesthetic goals with dermatological safety. The application operates at the intersection of wellness and beauty technology, offering structured routines rather than passive UV monitoring. The core functionality centers on three interconnected systems: real-time UV index monitoring sourced from meteorological data, personalized routine generation based on user-input skin type and tanning objectives, and proactive sunscreen reminders. The tanning routine algorithm considers Fitzpatrick skin type classification, desired tan intensity, and user-reported tanning products to create timed exposure schedules. The sunscreen alert system uses both time-based and UV-intensity triggers for reapplication notifications. User experience demonstrates thoughtful design with a dashboard displaying current UV index, daily exposure recommendations, and progress tracking visuals. The interface utilizes color-coded UV indicators (green to red spectrum) and simple swipe gestures for logging sessions. Real-world usage patterns show peak engagement during morning routine setup and midday reminder interactions, with users typically spending 2-3 minutes daily on app management. User feedback consistently highlights satisfaction with personalized scheduling and burn prevention. ToastRstroodel (June 29, 2025) notes the app 'helps track everything so easy,' while Jenni36362 (June 1, 2025) specifically praises how it 'came up with a routine' using entered tanning products. Multiple reviews mention appreciation for the structured approach compared to unregulated sun exposure. The application demonstrates particular strength in transforming subjective tanning practices into measurable routines, though limitations include dependency on user honesty in skin type assessment and lack of integration with wearable UV sensors. Ideal for recreational tanners seeking systematic approaches rather than those requiring medical-grade photoprotection. The absence of educational content about skin cancer risks represents a notable omission in an otherwise comprehensive tanning management tool.