Sky Guide by Fifth Star Labs LLC represents a significant advancement in mobile astronomy applications, combining augmented reality technology with comprehensive celestial databases to create an accessible stargazing experience. The application automatically identifies celestial bodies when users point their iOS device toward the night sky, eliminating the traditional learning curve associated with astronomical observation. The core functionality centers on real-time celestial identification using device sensors and GPS data. The augmented reality mode superimposes constellation outlines, planetary positions, and satellite trajectories directly onto the live camera view. Additional features include detailed information cards for each celestial object, historical constellation mythology, and customizable notifications for astronomical events such as meteor showers or planetary alignments. The application maintains an extensive database that includes over 120,000 stars, all major planets, and tracking for artificial satellites including the International Space Station. User experience demonstrates thoughtful design with an intuitive interface that requires minimal technical knowledge. The automatic alignment system quickly calibrates to the user's location and time, while the minimalistic controls prevent overwhelming novice users. Real-world usage patterns show particularly strong adoption during meteor showers, lunar eclipses, and among educational groups. The red night vision mode preserves dark adaptation, demonstrating attention to practical astronomical needs that extends beyond basic functionality. User feedback consistently highlights long-term satisfaction and educational value. Reviewer Alby1998 (2025-07-27) describes the application as 'timeless,' noting continuous use since 2013, while Cyndawyn (2025-08-03) emphasizes its role in astronomical education, stating it 'taught me at least half of what I know about stars.' Multiple reviews mention successful demonstrations to friends and family, with Mr.bentley55 (2025-07-25) noting consistent 'astonishment' during shared experiences. The application demonstrates notable strengths in accessibility and educational value, though its subscription model may present limitations for budget-conscious users. Performance remains dependent on clear weather conditions and limited light pollution, with urban environments reducing effectiveness. Ideal use cases include educational settings, amateur astronomy groups, and casual stargazing enthusiasts seeking structured celestial exploration without requiring specialized equipment or prior knowledge.