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Settings and trust

Where settings live​

On macOS, settings are in the Settings scene (⌘,), with a Receive section (destination folder, plus a Show in Finder button) above the power options. On iOS, the settings screen (reached from the home toolbar) holds the power options; the receive destination folder is changed from the Receive screen itself instead.

Settings persist locally on the device. There is no sync and no account to sign into.

Custom relay​

By default, CrocApp uses croc's public relay. You can point it at a relay you run yourself instead, under the Relay power option. Reasons to run your own:

  • You want transfers to route through infrastructure you control rather than the shared public relay.
  • You're operating on a network where you'd rather not depend on an external service.

Running croc relay on a machine you control is enough; then enter its address (and password, if you set one) in CrocApp's relay fields.

The trust badge​

During a waiting, confirming, or transferring screen, CrocApp shows a trust badge: an End-to-end encrypted label plus a line describing the relay path actually in use for that transfer:

  • "Local network only — nothing leaves your network"
  • "Via custom relay <address> — it sees only encrypted data"
  • "Via the public croc relay — it sees only encrypted data"

This is captured at the moment the transfer starts, so changing settings mid-transfer can't make the badge say something that isn't true for the transfer in progress.

What is stored​

Settings (relay address, relay password, local-only, compression, zip, exclude patterns, gitignore, both-sides confirm, auto-accept) are stored locally on the device. No settings, transfer content, or code phrases are sent anywhere except as part of an actual transfer you initiate.