Features · hardtack v1.0
Everything you need, nothing you don't.
Hardtack brings inventory, self-sufficiency tracking and alerts together in one focused tool. The core features work with no connection, and no personal data leaves your device — your inventory stays with you.
Inventory
- Photo, quantity, unit, cost and notes
- Min / max thresholds per item
- Multiple batches with distinct expiry dates
Scan & lookup
- UPC, EAN and QR supported
- Cascade Open Food Facts → USDA → UPCitemdb → manual entry
- Popular products pre-loaded offline
Self-sufficiency engine
- Days of water, calories and medication
- Overall household self-sufficiency score
- Per-category breakdown and visual gauges
Household profiles
- Adults, children and pets
- Personalized water and calorie needs
- Self-sufficiency calculation tuned to your household
Organization
- Pantry, garage, cellar, vehicle, second home
- 11 categories, from water to documents
- Fast search and filters
Expiry & rotation
- Local notifications 30, 15, 7 and 1 days ahead
- “Use first” view (FIFO rotation)
- Restocking list generated automatically
Ready-made kits
- 8 templates: 72-hour bag, vehicle, earthquake, blackout, EDC, infant, pets, first-aid
- Visual progress, item by item
Privacy
- Passcode or biometric lock, name obfuscation, decoy mode
- Local sharing with relatives via encrypted QR, no cloud
- CSV / JSON export and local backup
Day to day
- Spending tracking by category
- Three themes: light, dark and red light
- French, English, German and Spanish
All of it works offline, with no account and no usage telemetry. The free tier covers the essentials; the full version lifts every limit as a single one-time purchase.