Favo - Inventory & BOM

Favo is the mobile inventory that calculates the real cost of your products — not just materials, but your time and energy too.
Built for makers, artisans, electronics and 3D-printing hobbyists, and marketplace sellers on Etsy and beyond: stop mispricing your work in spreadsheets.
Its strength is nested bills of materials (BOM) with real costing. If you have 1 kg of PLA and a part uses 30 g (about 1 oz), Favo counts only the fraction you used — and adds your labor minutes and the printer's energy. So the cost is the real one, not a rough guess. And when a supplier's price changes, your average material cost updates by itself.
What you can do

📦 Visual inventory — materials with photo, code, supplier, stock and low-stock threshold.
📈 Real average cost — log your purchases and material cost is computed as a weighted average, updating with every new price.
🔗 Nested bills of materials — build products from materials and sub-products; cost is calculated automatically and recursively.
⚖️ Partial usage — grams from a kilo, centimeters from a meter: automatic conversion.
⏱️ Labor & energy — add work time (hourly rate) and energy/machine wear (kWh) to the cost of each piece.
💶 Price calculator — full cost + labor + fees + tax + desired margin → suggested selling price.
🎚️ What-if simulation — move material price, rate or margin and see the impact instantly, without touching your saved data.
📷 QR/barcode scanner — update stock or add a material by scanning a code.
🏭 Production & sales — build items (materials are deducted automatically) and log sales manually or by scanner; every movement is tracked.
🔔 Low-stock alerts (Premium) — always know what's about to run out.
📊 Reports & export (Premium) — stock value, production and tax-ready reports. Export to CSV, Excel and PDF, or import materials from a file.

Works offline. Your data stays on your device.
Free: inventory, real average cost, nested bills of materials, labor & energy, price calculator, what-if, QR scanner, production and sales — up to 150 materials and 10 products.

Premium (one-time purchase): unlimited materials and products, low-stock alerts, reports and export.
See what your products really cost you — and how much you earn — on every piece.
English and Italian. Configurable currency (€ / $ / £).