PRFCT Form by Onat I.
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Biomechanics, on iPhone

Live coaching, frame by frame.

Film a rep on your iPhone. PRFCT Form measures every joint angle, tells you which ones are off, and shows the research behind each number.

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Per-joint results: elbow angle 172 degrees flagged Needs Work, trunk lean 72 degrees marked Optimal, followed by targeted drills.
A basketball jump shot traced by PRFCT Form, joint angles labelled on the skeleton overlay and an overall grade in the corner.

Everything, one click away.

Four pages. Each one answers a single question.

01

How it works

Film the rep, track the body, read the result.

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02

Research

The angle, the target range, and the study behind it.

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03

Sports

Five movements built in, plus any you add yourself.

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04

Teams

A coach invite code, a private leaderboard, and every rep saved.

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The research

Every number comes from a study.

Each check shows the angle it measured, the range it should sit in, and the study that set that range.

CheckPhaseTarget rangeStudyResult
Sprint · front kneeSet85 to 100° Bezodis et al. 2015 Optimal
Sprint · trunk leanDrivesport-specific Slawinski et al. 2010 Close
Basketball · releaseReleasephase-specific Okubo & Hubbard 2006 Optimal

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