Impulse - Sprint Mechanics
Sprint Acceleration Anaylsis
About
Analyze your sprint acceleration with detailed mechanics. Film your first few steps in slow motion to get insights on shin angle, ground contact time, and flight time without specialized equipment.
What's New in Impulse
1.0.2
July 13, 2026
Added an in-app filming guide to help you get camera setup right. Backend accuracy improvements and bug fixes.
FAQ
What is Impulse used for?
Impulse is used to analyze the mechanics of your first three sprint steps. It provides data on shin angle, ground contact time, and flight time, helping athletes understand and improve their acceleration.
How does Impulse analyze sprint mechanics?
You film your first 3-4 steps in slow motion with your iPhone. Impulse then automatically processes the footage to extract key mechanical data without requiring any external sensors or lab equipment.
What specific data does Impulse provide?
Impulse provides your shin angle at each ground contact, the ground contact and flight time for each step, and the calculated speed at each step. It also allows you to track your session history to monitor improvement.
Is Impulse suitable for all athletes?
Impulse is designed for any athlete who needs to be faster in their first few steps, including sprinters, football players, and basketball players. If your initial steps are crucial for your sport, Impulse can help.
What are the technical requirements for Impulse?
Impulse is available for iPhone and iPod. It requires filming in slow motion, and the phone should be propped at hip height from the side for optimal results.
How often is Impulse updated?
The latest version of Impulse is 1.0.2, which was last updated on July 13, 2026. While this is the initial release, updates are expected to continue to refine its features and performance.
Does Impulse have ads?
No, Impulse is free and does not contain advertisements. This allows for an uninterrupted analysis experience focused on improving your athletic performance.
What is the age rating for Impulse?
Impulse has an age rating of 4+, making it suitable for a wide range of users interested in athletic performance analysis.