Calculate and compare arrow builds before investing time and money. The free version offers essential calculations for weight, FOC, kinetic energy, momentum, speed, and spine. Future updates will introduce advanced features for subscribed users.






10+ similar apps compared and reviewed
Whether you want more options like RunHub or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.






Calculate and compare arrow builds before investing time and money. The free version offers essential calculations for weight, FOC, kinetic energy, momentum, speed, and spine. Future updates will introduce advanced features for subscribed users.
This application allows coaches to time multiple athletes simultaneously on their wrist. It's designed for practices and races, enabling quick recording of splits for easy calculation.














Track your Strava activities with customizable goals for distance, time, elevation, and energy. View key metrics at a glance on your wrist.




Effortlessly track scores for racket sports using your watch crown. Hear scores announced aloud and save game history. Integrates with Apple Workout for heart rate and calorie tracking.


A straightforward stopwatch app featuring oversized digits for easy visibility. It offers single-button control for starting, stopping, and resetting. With optional Bluetooth integration and a photocell, it can function as a race display, expanding its utility.