b4-app: AI Batting Partner
b4-app: AI Batting Partner Summary
b4-app: AI Batting Partner is a with in-app purchases iOS app in the Sports category, developed by KeepTossingLab. First released 2 years ago(Nov 2023), the app has 164 ratings with a 4.28★ (good) average rating.
Recent activity: 3.00 new ratings this week View trends →
Store info: Last updated on App Store on Feb 2, 2026 .
4.28★
Ratings: 164
Screenshots
App Description
Revolutionize your baseball training experience. Enhance your batting skills, analyze your performance, and take your game to the next level. Get cutting-edge batting stats, biomechanics analysis, and real-time feedback—all with just an iPhone and a tripod!
Developed with multiple Major League players.
Key Features
• Comprehensive Metrics: Access a complete baseball swing analysis toolset, including exit velocity, launch angle, bat path, and biomechanics analysis, to refine your skills and elevate your game.
• Bat Contact Point (BCP): Precisely tracks where the bat hits the ball, giving players actionable insights on every swing.
• Real-Time Playback: Review and learn from past performances with slow-motion videos, and track your progress with real-time analytics.
• Immersive Pitch: An innovative feature that simulates live incoming pitches, refining your timing and reaction down to the millisecond—all from your iPhone.
• Dynamic Visualizations: Easily track progress and identify your strengths.
• AI Report: Gain deeper insight into your hitting performance. Track SwSp%, xwOBA, exit velocity, launch angle, and more.
Batting Statistics Overview
• Bat Contact Point Analysis: Your contact point range with minimum, maximum, and distribution to understand patterns and improve consistency session by session.
• Bat Path Visualization: Gain in-depth insights into your bat control and make informed adjustments.
• Exit Velocity Tracking: Accurately measure the speed of your hits to monitor your progress and aim for new personal bests.
• Launch Angle Optimization: Perfect your launch angles for maximum performance and increase hitting probability.
• Comprehensive Biomechanics Analysis: Refine your technique by understanding your stride, weight shift, and head movement.
• Advanced AI Report: Track hit classifications, analyze SwSp%, xBA, xwOBA, ground-ball to fly-ball ratio, and more to pinpoint and boost your game performance.
Subscriptions
Our app is free for everyone to use! Access lab-level swing analysis at no cost.
The Starter plan lets you analyze up to 30 swings per month. Upgrade anytime for more power!
Starter Pass (Free)
• 30 swings per month
• Perfect for casual swing analysis and quick check-ins
Essential
• 100 swings per month
• More reps, deeper insights, and faster improvement
Premium
• Unlimited swings