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FormSync: Swing & Form Compare

FormSync: Swing & Form Compare

Side by side video analysis

2 ratings
1 review
⚽ Sports
📷 Photo & Video
Free
In-App Purchases

Details

Released
June 18, 2026
Updated
October 19, 2026

Features

Developer

Hiroki Sugiyama
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FormSync: Swing & Form Compare screenshot #1 for iPhone
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FormSync: Swing & Form Compare screenshot #5 for iPhone
🧾$4.99
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About

Compare two videos side-by-side to analyze movement and form. Ideal for sports, dance, or training, it allows synchronized playback, slow-motion, and detailed zooming. Export comparisons for sharing and analysis.

✓Side-by-side video playback
✓Synchronized play/pause
✓Shared seek bar
✓Slow-motion playback
✓Pinch to zoom
✓Video export
✓Comparison history
Show original description

What's New in FormSync

1.12.1

October 19, 2026

- While a video is loading, the app now shows "Loading…", so you can tell what's happening even when a video takes a while (for example, one stored in iCloud) - If a video can't be loaded, the app now tells you what to try - Minor improvements

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Subscriptions & In-App Purchases

$4.99

PRO Upgrade

Unlock longer videos and unlimited history

User reviews

Most RecentHighest RatedLowest Rated

I can’t upload a video

Paying for an app and it now being able to do its basic function is dumb.
FFongVee

Response from developer

Thank you for your feedback, and we're sorry again for the trouble. We've just released version 1.12.1, which improves how videos are loaded when you pick them. The app now shows a loading indicator while a video is being prepared, and a clear message if a video can't be loaded (for example, videos stored in iCloud or very large videos). Please update to the latest version and try again. If the problem continues, please contact us from Settings > Contact in the app, or reply with what you see on screen, and we'll look into it right away.

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FAQ

What is FormSync?

FormSync is a mobile application designed for side-by-side video analysis. It allows users to compare two videos simultaneously to analyze and improve their form in activities like sports, dance, or training.

How does FormSync help with form analysis?

FormSync enables you to place reference videos next to your own or compare past performances with current ones. Features like synchronized playback, slow-motion, and shared seek bars help you spot differences and refine your technique.

Can I export my comparisons from FormSync?

Yes, FormSync allows you to export your comparisons as a single video. You can choose landscape or vertical formats and specify the exact range you want to include in the export.

What are the PRO features in FormSync?

The PRO version, a one-time purchase, unlocks full-length video playback, drawing tools for angle and alignment comparison, auto-detect pose with skeleton and spine angle visualization, unlimited history, and the option to remove watermarks from exports.

Is FormSync available on Android?

Based on the provided data, FormSync is currently available for iPhone and iPod.

How often is FormSync updated?

The latest version of FormSync was released on October 19, 2026, indicating recent development activity. Updates typically address bug fixes and introduce new features.

Does FormSync have ads?

No, FormSync does not contain advertisements. The app is free to use with optional PRO features available as a one-time purchase.

What is the age rating for FormSync?

FormSync has an age rating of 4+, making it suitable for a wide range of users, including children and adults.