Does LedgerLitz need internet at all?

Only for first app load and optional backup uploads. Daily accounting runs offline.

Where is my data stored?

In your browser IndexedDB on the device you use. Export encrypted backups for copies elsewhere.

Not real-time shared. Typically one active device per business; use backup restore to move machines.

Local books can be lost without backup. Export encrypted backups regularly.

Yes. Quick Sale at /pos works fully offline after PWA load.

True offline-first accounting PWA: IndexedDB books, no server for daily work, encrypted backup. GST, parties, stock at ledgerlitz.logiclitz.org/app.