BattrAI

BattrAI is a baseball swing analysis tool designed for anyone who wants to understand their swing mechanics without needing a high-tech lab. You upload a side-on video from a batting cage, tee work, or a live at-bat — standard .mp4, .mov, or .avi files work fine. Within 2–3 minutes, the tool returns an annotated video, a phase-by-phase breakdown, and a full coaching report. The system uses pose estimation to map 33 skeletal landmarks across every frame, so you get precise measurements of stance width, hip rotation, shoulder tilt, torso coil, arm extension, knee bend, weight transfer, and swing plane angle.

What makes BattrAI stand out is how it combines two AI models. MediaPipe handles the frame-by-frame joint tracking, while Google Gemini 2.5 watches the same frames to visually confirm the contact point and write a natural-language coaching breakdown. The report doesn't just list numbers — it explains what each phase looks like, where power is leaking, and exactly why. For each fault, it matches a YouTube drill video so you can work on the specific issue. The tool also stores your analysis history, letting you track progress over time.

BattrAI is most useful for baseball players who want objective feedback without a coach watching every swing, for coaches managing multiple athletes, and for parents helping their kids improve. The free tier gives you three lifetime analyses, which is enough to test the system. The paid plans — $4.99/month for individuals or $49.99/month for coaches — unlock more analyses and team management features. If you're serious about flattening your swing plane or fixing your load, this tool gives you the data to know exactly what to fix.