A local-first expense tracker inspired by the annual spreadsheet template. Data is stored on-device using IndexedDB and can be backed up to Google Sheets.
Features include:
- Monthly income and expense tracking
- Categories aligned with the template
- Yearly summary (income, expenses, balance, category totals)
- Local-only storage via IndexedDB
- CSV import/export with templates
- Google Sheets backup + restore
- Offline-first auto-backup queue (last-write-wins conflict resolution)