Aurora Eos makes seeing the Northern Lights as easy as checking weather. Access real-time KP index forecasts, geomagnetic data, and solar wind predictions to plan your aurora hunting trips. Experience accurate aurora forecasts that transform complex science into intuitive visualizations. Aurora Eos transforms complex aurora science into intuitive forecasts. Be ready for magical nights under the northern lights with accurate KP index predictions and geomagnetic alerts.

Post Black Belt is a mobile training log and journal app designed specifically for Brazilian Jiu-Jitsu (BJJ) and Jiu-Jitsu practitioners. For those who train consistently—often three or more times a week—this app helps you systematically record and review the wide variety of techniques and lessons you encounter on the mats. Key Features Jiu-Jitsu-Optimized Journaling 140+ Detailed Jiu-Jitsu Technique Hashtags AI-Based Personalized Technique Recommendations