# Motion Camera for Biomechanics — Slow-Mo Video, Frame by Frame

> Slow-Mo Video, Frame by Frame (iPhone/iPad app by Keitaro Seki.)

- Source: https://appshunter.io/ios/app/motion-camera-for-biomechanics/id6824123771 (this page in markdown: same URL + `.md`)
- Developer: [Keitaro Seki](https://appshunter.io/developer/6821510256)
- Category: Photo & Video, Sports
- Price: Free
- Age rating: 4+
- Requires: iOS 26.0 · 1 MB
- Languages: American English, Japanese
- Released: 2026-10-19
- Data updated: 2026-10-26

## What is Motion Camera for Biomechanics?

For physical education, sports coaching, and biomechanics research. Shoot high-speed video and review it frame by frame—all on your iPhone or iPad.Motion Camera supports high-speed video capture for motion analysis using the camera on your iPhone or iPad.

Choose a shutter speed, and the app automatically adjusts the rest of the camera settings around it. You can also review your recordings frame by frame—including videos shot with other cameras that are saved in Photos.

KEY FEATURES
• Shutter-priority capture: ISO and frame rate are set automatically
• Exposure compensation
• Level showing left–right tilt and the forward–backward tilt of the optical axis
• Step 1 or 5 frames at a time, or jump to the first or last frame
• Set In and Out points and see the frame count and duration between them
• Pinch to zoom
• Slow playback (1/2 to 1/8 speed)
• Capture settings (shutter speed, ISO, and more) are saved with each video and shown during playback
• Slow-motion videos from Photos are loaded as the original high-frame-rate file, so every frame is evenly spaced

The maximum frame rate depends on your device.

## Is Motion Camera for Biomechanics safe?

Not enough ratings yet to assess Motion Camera for Biomechanics.

## Is Motion Camera for Biomechanics legit?

Motion Camera for Biomechanics has limited verification signals. The AppsHunter Legitimacy Score for Motion Camera for Biomechanics is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 4 releases)

### 1.3 — 2026-10-24

- Support for iPhone Duo. The layout adapts to the screen whether it's folded or unfolded.
- Better support for resizable windows, such as Split View on iPad.
- Fixed an issue where the player could rotate by mistake in a tall window.

### 1.2 — 2026-10-22

• Frames are now recorded at exactly even intervals (frame n at n/240 s at 240 fps), so analysis software reads the frame count and frame rate correctly.
• Dropped frames are shown while recording and stored in the video with their count and position.
• The measured frame rate and frame count are stored with the capture info.
• Videos saved to Photos are named like "MotionCamera_2026-10-22_17-45-12_240fps.mov".
• New Share Original File button in the player: sends the 240 fps file as recorded, instead of the 30 fps slow-motion version Photos creates.
• Share the originals of several videos from Photos at once.
• Fixed menus sometimes closing as soon as they opened.

### 1.1 — 2026-10-20

• Lens switching
On devices with more than one back camera, you can now switch between lenses such as 0.5×, 1× and 3×. The lens, zoom factor and field of view are saved with each video and shown in the player's capture info.

• Fixed frame rate and resolution
Frame rate (240/120/60/30 fps) and resolution are now separate settings. The frame rate you choose stays the same regardless of shutter speed or lighting, including while recording.

• Shutter speed improvements
The shutter speed you choose no longer changes on its own when you rotate the device or the camera is interrupted. The slowest selectable shutter speed is 1/fps.

• Auto-hiding controls
After 5 seconds without use, the control panel collapses to a small record button so you can see more of the scene. You can also hide it by tapping an empty area of the panel.

• Settings remembered
Shutter speed, frame rate, resolution, exposure compensation and lens are now kept the next time you open the app.

• Other
Improved stability.

### 1.0 — 2026-10-19

No release notes.

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## Related topics

[motion camera](https://appshunter.io/ios/topics/motion-camera) · [slow and fast motion camera](https://appshunter.io/ios/topics/slow-and-fast-motion-camera)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-26.*