GrainCheck

GrainCheck — professional grain cost calculator for elevator operators and agricultural traders. Calculate the true cost of a grain batch in seconds. Using the Duval formula, the app computes credited weight, drying and cleaning losses, and all service costs — loading, drying, cleaning, storage, unloading, and logistics. Key features: • Duval formula with 27 calculation combinations (3 processing orders × 3 tonne-percent methods × 3 storage bases) • Price analytics: gross/net revenue, breakeven price, opposite price conversion • Grain ledger: track receipts, dispatches, and adjustments per elevator and culture • FIFO and weighted-average write-off pricing • PDF export with full calculation breakdown • Price history with sparkline trends per culture and elevator • Multi-elevator support with per-culture rate overrides • Works fully offline — no account required Pro subscription unlocks unlimited elevators, full history, ledger, PDF export, and price analytics. Free 30-day trial on first launch. Privacy Policy: https://graincheck.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Website: https://graincheck.app