Motionline
Takayuki Hamuro Sports iPhoneiPadiPod touch
Motionline is a free Sports app for iPhone and iPad by Takayuki Hamuro. Requires iOS 16.0. Updated August 9, 2026.
- Price
- Free
- on the App Store
- Size
- 2 MB
- Age 4+
- Updated
- Aug 9
- 2026 · v1.2.1
Screenshots
About Motionline
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
What’s new
Version 1.2.1 · Updated August 9, 2026
• Added anonymous usage statistics — aggregate counts only, with nothing that identifies you — to help improve the app
App privacy
The developer, Takayuki Hamuro, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Usage Data: Product Interaction
Used for: Analytics
Alternatives to Motionline
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MotionTagger: Video Form Coach
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Motionline | – | Free | August 9, 2026 | |
| BaseballDraw: Swing Analyzer | – | 7.99 USD | Sep 29, 2026 | Compare |
| MotionTagger: Video Form Coach | – | Free | Aug 25, 2026 | Compare |
| 野球の物理 打球と投球のシミュレーター | – | Free | Sep 1, 2026 | Compare |
| Baseball Watch Log | – | Free | Sep 3, 2026 | Compare |
| 野球計算S | – | Free | May 12, 2025 | Compare |
| FormSnap | – | Free | Mar 26, 2026 | Compare |
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