Syncophant
Syncronize files in style
Only for Mac
Free
Mac
Syncophant is a macOS file sync tool to help synchronize folders — move 700GB+ files between camera media and backup drives with flat memory, and SHA-256 verification.
Syncophant — sync built for massive media.
Most sync tools crash, run out of memory, or choke on network volumes the moment you point them at a card full of footage. Syncophant was built for exactly that day. It's designed around moving 700GB+ of BRAW between camera media and backup drives, with memory that stays flat no matter how big the file gets.
Built for huge files POSIX I/O with a fixed 4MB buffer means constant memory usage whether you're copying a 4MB clip or a 500GB take. Serial transfer is tuned for sequential I/O on network volumes and external drives, interrupted transfers resume from the last clean 4MB boundary, and an fsync on close flushes every write to disk — critical for network volumes like Blackmagic Media Docks.
Sync your way One-way (A→B or B←A) to mirror in a single direction, or bidirectional (A↔B) where the newer file wins. Drag and drop your source and destination, preview exactly what will be copied before anything moves, and stay in control of hidden files with separate toggles for showing and syncing dotfiles. Syncophant even detects iCloud cloud-only placeholders and offers to download them first.
Verify before you format Run a Quick Check for an instant name + size comparison, or a Full Verify for a streaming, byte-by-byte SHA-256 hash comparison — constant memory even on enormous files. Files turn green when they pass and red when they fail, right in the list.
Watch it happen Real-time stats show the current file, bytes written, speed, total moved, elapsed time, and ETA. The file list auto-refreshes when folders change on disk, and files light up green as each one lands.
And it looks the part A cyberpunk interface with a live, raymarched Mandelbox fractal for a background — it rotates with your sync direction, tints cyan or magenta, eases between states, and slows to a crawl when idle.
Preview what will happen. Watch it happen, file by file. Verify it happened correctly. Then format the card.
– Feature bullets (for a store "what's great" list)
– Handles 500GB+ files with flat, constant memory
– One-way and bidirectional sync with preview mode
– Quick Check + full SHA-256 verification with live green/red feedback
– Partial-file resume and fsync-on-close for safe network-volume transfers
– iCloud placeholder detection and dotfile control
– Real-time speed, ETA, and transfer stats with a live fractal UI
Ratings & Reviews
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The developer, Oliver Lardner, 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
- Universal Weebs Unlimited PTY LTD
- Size
- 3.3 MB
- Category
- Utilities
- Compatibility
Requires macOS 26.3 or later.
- Mac
Requires macOS 26.3 or later.
- Mac
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © @ Universal Weebs Unlimited PTY LTD