Auto-detect 13+ joint angles and every skeleton point — then edit anything by hand. Build slow-mo phase replays, StroMotion trails, and a branded coaching report your students actually keep. Runs in your browser; your footage stays yours.
Go yearly and get our free tennis biomechanics eBook — the coach’s guide to reading every stroke.
AngleMotion auto-detects 13+ real joint angles and every skeleton keypoint on your player’s stroke — then hands you the pen. Drag any point, correct any angle, trust the read. AI-fast for the 90%, coach-accurate for the 10% that matters. No black box you can’t touch.
Trust the AI for speed. Trust yourself for the truth.
Shoulder, hip, knee, elbow — AngleMotion reads 13+ joint angles automatically and shows the numbers right on the frame. Compare a serve to a model, prove why a stroke breaks down, and back every note with a real measurement instead of a guess.
Turn any swing into a multi-position motion-trail composite — as a still and as video. The whole stroke, frozen across space, so a student instantly sees the path their body took. The demo that sells your coaching and the shareable that markets it.
Plus — it looks incredible.
Snapshot every phase of the stroke and replay it frame-by-frame in slow motion, side-by-side, with angle overlays. Then screen-record it with your webcam and mic to deliver a same-day coaching video your player can rewatch until it clicks.
A player database, two Google Docs per student (technical + match analysis), a technical sheet, and progress tracking across the whole season. Rivals hand you a clip and stop — AngleMotion is the client file, the deliverable, and the storefront in one place.
Every student’s technical story in one file — from first lesson to nationals.
Capture your screen, webcam, and mic in one hub, drop it into a Google Docs coaching report, and push it to YouTube in a click. The Match Decoder even reads SwingVision screenshots and folds match stats into the player’s file. Kill the five-tool, duct-taped workflow.
Every rival makes you pick two of the three. Here’s the honest breakdown.
| Feature | AngleMotion | CoachNow | Dartfish |
|---|---|---|---|
| Price (Pro tier, annual) | $200/yr | $499/yr | ~€480/yr |
| AI pose / skeleton overlay | |||
| Angle measurement (auto) | |||
| Editable AI skeleton (override by hand) | |||
| Slow-mo / frame-by-frame | |||
| Drawing / telestration | |||
| Side-by-side compare | |||
| StroMotion / motion-trail composite | |||
| Coaching report (Google Docs) | |||
| Player database / client file | |||
| Videos stay local (no cloud lock-in) | |||
| One-click YouTube publish | |||
| SwingVision stat import (Match Decoder) |
Verified data; “–” means uncertain/undocumented, not a claim of absence. Prices approximate; check each vendor for current pricing.
Start light, go Pro for the full platform + Academy, or run your whole team on one plan.
Video analysis with metrics.
$4.17/mo · 2 months free
Choose LightEverything, plus the Academy.
$16.67/mo · 2 months free
Choose ProPro for your whole team.
$33.33/mo · 2 months free
Choose AcademyA browser-based tennis video-analysis platform: AI skeleton + angle detection you can edit by hand, StroMotion composites, slow-motion phase replays, a recording hub, and per-player Google Docs coaching reports — all in one place.
Analyze faster, teach clearer, and grow your coaching business — for less than one lesson a month. Go yearly and get the free tennis biomechanics eBook.
Start FreeAnnual is 2 months free — and the eBook’s on us.