A verified folder sync app for Mac

Folder sync
you can prove.

Every copy checked. Every change explained. Sync folders, external drives, and mounted storage with a plan you can inspect and a receipt you can verify.

See how verification works Get launch updates

Native macOS app No account No analytics

Plan review

1,248files compared

8.4 GBplanned transfer

0unexplained changes

SHA-256post-copy checks

The proof loop

Know what will happen.
Know what did.

Progress bars tell you that something ran. SyncReceipt gives you evidence for the parts that matter.

Before

Review the exact plan

See every copy, update, conflict, overwrite, and removal before either folder changes. Each action carries a plain-language reason and stable evidence code.

During

Verify every finished copy

SyncReceipt streams each file into a temporary destination, checks its SHA-256 digest, then moves the verified result into place.

After

Keep proof—and a way back

Every run produces a self-verifying receipt. Files at risk of overwrite or removal first move into a restorable checkpoint.

SyncReceipt evidence inspector displaying checksums and a completed verification receipt

Evidence, not optimism

A receipt for every completed run.

The receipt records the reviewed operations, timestamp, mode, folder display names, and resulting destination file sizes and SHA-256 digests. Its own canonical JSON is hashed too, so later edits are detectable.

Re-run verification against current files
Reopen local receipt history
Export portable JSON in Pro

Why it is different

Built for the moment
“probably copied” is not enough.

Preview copies and changes✓✓

Explain why every action is planned✓—

Verify destination bytes after copying✓—

Checkpoint files before overwrite or removal✓—

Create a self-verifying run receipt✓—

Simple ownership

Start free. Keep Pro.

Plan unlimited syncs before paying. Upgrade once when you need Mirror, baseline-driven Two-Way execution, and JSON receipt export. Every completed run keeps the same verified-copy and checkpoint protections.

$39.99 one time

Lifetime ProNo subscription. Mac App Store purchase.Tell me when it launches

Practical guides