OpenCap

Spec sheet

Purpose

OpenCap estimates 3D human movement kinematics and forces from smartphone video for biomechanical analysis.Read 5 Oct 2026 · opencap.ai

Security

The maker says data is encrypted in transit and at rest and that its infrastructure is HIPAA-compatible.Read 5 Oct 2026 · opencap.ai

Support

The contact page directs technical questions to the multi-camera or monocular forums before emailing and says Android is not supported.Read 5 Oct 2026 · opencap.ai

Analysis utilities

OpenCap provides Python utilities for further analysis, including estimating kinetics.Read 5 Oct 2026 · opencap.ai

Capture modes

It offers multi-camera capture and a beta monocular setup that records with one iPhone.Read 5 Oct 2026 · opencap.ai

Commercial use

The service terms prohibit use by commercial entities, including for research, and direct interested entities to contact the authors.Read 5 Oct 2026 · opencap.ai

Data access

OpenCap's terms say the development team can view submitted data, including videos, and may use it for algorithm development.Read 5 Oct 2026 · opencap.ai

Data sharing

Investigators must obtain participant consent, and participants can choose among several levels of public data sharing, including no public sharing.Read 5 Oct 2026 · opencap.ai

Device requirements

The multi-camera instructions require at least two iOS devices and say iPhones, iPads, and iPods released in 2018 or later are supported.Read 5 Oct 2026 · opencap.ai

Monocular requirements

The monocular instructions require one iPhone for recording and say no calibration step is needed.Read 5 Oct 2026 · opencap.ai

Outputs

The platform provides joint angles, moments, and muscle forces through musculoskeletal dynamics.Read 5 Oct 2026 · opencap.ai

Use cases

The site lists walking, sit-to-stand, squats, drop jumps, treadmill running, and jumping as example movement analyses.Read 5 Oct 2026 · opencap.ai

Validation

The maker says OpenCap has been validated against marker-based systems.Read 5 Oct 2026 · opencap.ai

Workflow

Users record with iOS devices, review and download data through a web app, and process videos on cloud servers.Read 5 Oct 2026 · opencap.ai

Plans and prices

Every OpenCap plan and price →

Where Specifiction places it

• Motion Capture Software#25 of 637.5