Video Collage Builder
Video collages with audio sync
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Combine multiple videos into one frame. Sync them to each other or to your own audio. Crop, trim, and export — all offline, all on your device.
Make multiple videos move together.
Video Collage Builder is a video collage editor for combining clips into a single frame — side by side, stacked, or in a grid — with proper audio sync so everything plays in time.
What you can do:
• Combine multiple videos in one frame
• Crop and trim each clip independently
• Sync videos to each other, or sync them all to an audio track
• Export straight to Photos
Built for:
• Dancers comparing takes or breaking down moves
• Musicians lining up multi-angle performance footage
• Athletes checking form against a reference
• Anyone who wants two or more videos to play together, in sync
Privacy by design:
• Fully offline — no account, no upload, no servers
• Your videos stay on your device
• No tracking, no ads, no in-app purchases
App runs entirely on your phone. Nothing leaves it.
The developer, Polyrhythm Labs, Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Polyrhythm Labs, Inc.
- Size
- 2.4 MB
- Category
- Photo & Video
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Polyrhythm Labs Inc.