Motionline

Motionline

Form Analysis Tool

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Free

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Details

  • Released
  • Updated
  • February 14, 2026
  • March 2, 2026

Features

Motionline screenshot #1 for iPhone
Motionline screenshot #2 for iPhone
Motionline screenshot #3 for iPhone
iphone
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About

Motionline breaks down your movement into individual frames so you can analyze and improve your form. HOW IT WORKS 1. Select a video from your library or record a new one 2. AI automatically extracts frames at your chosen interval 3. Browse, compare, and check key frames 4. Export as strobe photos or MP4 videos KEY FEATURES • Frame-by-frame analysis of any video • Person segmentation — isolate the subject from the background • Strobe photo layouts — combine multiple frames into one image • MP4 export from selected frames • Adjustable frame interval, quality, and background color • Mirror mode for easy self-review • Auto-skip similar frames PERFECT FOR • Golf, baseball, tennis, and other sports • Dance and martial arts • Running and swimming form analysis • Coaching and self-improvement SUBSCRIPTION Motionline Premium unlocks all features with a 7-day free trial. Choose Monthly or Yearly (save 50%+). Payment is charged to your Apple ID account at confirmation. Subscription auto-renews unless canceled at least 24 hours before the end of the current period. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://t-aka-h.github.io/motionline/privacy.html
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What's New in Motionline

1.2.0

March 2, 2026

Added guide line drawing tools. - Draw lines, rectangles, triangles, and freehand guides on frames - Freely adjust color and thickness - Guide lines are reflected in composite photos - Added rule-of-thirds grid overlay - Added pinch-to-zoom on preview - Added first-time user guide

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