Deep Dive Drill vs Aura Challenge

Identify Minerals in the Field Walk through a structured identification workflow based on the Mohs hardness scale and standard mineralogical criteria. No equipment beyond what you carry. No guesswork. No internet connection. Build Your Personal Collection Save identified specimens with photos, location notes, collection date, and custom descriptions. Filter and sort your collection by mineral class, match quality, or date. Every specimen stays on your device — no account needed. Browse the Reference Database Explore a comprehensive mineral database with detailed entries covering chemical formula, crystal system, specific gravity, associated minerals, and occurrence contexts. Filter by luster, color, hardness, class, and more. Track Your Session History Review every identification session with a full recap of your answers and top candidates. See your monthly activity, overall confidence rate, and your most frequently encountered minerals.

Aura Challenge is a simple and stylish app designed to help you bring more movement, sports, and healthy habits into your daily routine. Choose your favorite activity, generate a daily sports challenge, complete it, and track your progress over time. The app is suitable for beginners as well as people who already enjoy regular physical activity. Available activities include running, fitness, yoga, cycling, swimming, football, basketball, tennis, walking, and strength training. Each day, you can generate a new challenge, accept it, mark it as completed, and leave a rating. The analytics section shows your activity history, accepted and completed challenges, average rating, and your most selected sport.