4D Motion Sports is a wearable motion-capture training system that uses a sensor-embedded Smart Shirt combined with an iOS app (plus optional wrist sensor or Apple Watch) to deliver real-time 3D biomechanics feedback, avatar visualization, and guided training programs for golf swing analysis.
Published Sep 4, 2026
| Starting Price | Published hardware plus optional recurring subscription pricing available from the vendor | Price varies by package; commonly positioned in a mid-range bracket | Subscription-based bundles; pricing varies by package |
| Primary focus | Wearable IMU approach capturing pelvis and torso motion; optional lead-arm tracking via Apple Watch or wrist sensor | Wrist-angle and lead-arm metrics; multi-platform mobile support | Camera-based 3D analysis using phone video, no wearable required |
| Key strengths | Measures trunk/pelvis motion and provides avatar-based biofeedback; can be used on-course (subject to rules) | Strong wrist-specific feedback and cross-platform support | No wearables required; provides video-based analysis and overlays |
| Key limitations | iOS-only at present; premium positioning; some reports of reliability/support issues | Limited to wrist/lead-arm metrics (does not directly measure pelvis/torso) | Dependent on camera setup, lighting, and angle; may be less portable in some contexts |
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