Fletched: Archery Calculator

Archery Arrow Ballistics: Fletched is an advanced archery ballistics calculator designed to help bowhunters and target archers build the perfect arrow for maximum lethality and precision.  Take the guesswork out of your bow setup.
Key Features:
Terminal Ballistics: Instantly calculate Kinetic Energy (KE) and Momentum to ensure you have the energy needed for a clean pass-through.
Arrow Ballistics Score (ABS): Select your target animal and let the app grade if your specific arrow setup is a perfect match or a risky shot.
Pass Through Index (PTI): An elite scoring system that predicts your arrow's ability to punch through heavy bone and hide.
Head-to-Head Comparison: Compare two different arrow builds side-by-side to visualize flight arcs, time-to-target, and speed loss at distance.
Broadhead Efficiency: Factor in the energy loss of mechanical deployments versus the drag of fixed blades to see your true penetration potential.
Build your arrow, run the math, and draw back with confidence. Download Fletched today.

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