Works with no signal

A record saved in a field or a basement waits, then sends itself.

Save a record with no signal and it is kept on the phone. When the signal returns it sends itself, keyed so a retry never doubles it. After one sign-in the app opens without a connection.

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  1. Step 1. Saved first, sent later

    The record exists the moment you tap Save. The phone keeps it and replays it to the server when it can.

  2. Step 2. Never doubled

    Every record carries its own id, so a replay after a dropped connection lands once.

  3. Step 3. Never cleared

    Signing out does not throw away a record that has not sent yet.