ArrowLab by BowTune vs Foc Calculator

Design, visualize, and optimize custom arrow builds with real components from trusted manufacturers. Whether you're building hunting arrows, TAC arrows, or experimenting with new setups, ArrowLab helps you compare components, find the right spine, and keep every build organized in one place. ArrowLab Access Access to ArrowLab's arrow-building features requires an active BowTune Pro subscription. BowTune Pro is available as a monthly or annual auto-renewable subscription. Eligible new subscribers can start with a 7-day free trial. Subscription options and pricing are displayed in the app before purchase. Features • Build custom arrows using real components • Browse a growing catalog of shafts, vanes, wraps, nocks, inserts, and field points • See every change instantly with a realistic live arrow preview • Get personalized spine recommendations based on your setup • Generate printable build sheets for your workbench or pro shop • Sync your builds across supported devices • Continue building as new manufacturers and components are added Whether you're a beginner or an experienced archer, ArrowLab makes building your next arrow faster, easier, and more organized. Subscription Information Payment will be charged to your Apple Account upon confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current subscription period. You can manage or cancel your subscription through your Apple Account subscription settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Calculate the FOC (Front of Center) of your archery arrows with FOC Calculator. Enter the total arrow length and the distance from the arrow's base to its center of gravity. The app calculates the FOC percentage and compares the result with the reference range for the selected arrow type. FEATURES • Calculate the FOC percentage of your arrows. • Consult reference ranges for aluminum, carbon, and aluminum-carbon arrows. • Include the arrow point and its weight in your calculations. • Review your calculation history. • Export your history to PDF. • Consult the practical FOC guide. Available in Italian and English.