Every pass, logged in 30 seconds.
FieldLog keeps your fertilizer, herbicide, insecticide, and fungicide application records inspector-ready — per field, per pass. Built for the cab — log from your tablet or phone in seconds, and export to PDF instantly.
Every repair, on the record.
ShopLog is the shop’s memory — every machine, every service, every part with its actual cost. Log a repair in seconds, pull full history per machine, and export it all to PDF or CSV.
Watch them work
45-second tours, recorded in the real apps.
FieldLog — the 45-second tour · Open FieldLog
ShopLog — the 45-second tour · Open ShopLog
Used Equipment Analyzer
Upload up to 10 photos of a used machine. AI scores every system and produces a shareable PDF inspection report.
Used Equipment Analyzer — the 38-second tour
The calculators
One free interactive tool, plus ten paid Excel spreadsheets that run the payback math on specific equipment.
Free tool
Cost Per Acre Calculator
Enter your fertilizer, seed, chemical, and fuel costs plus expected yield and price — get total input cost per acre, break-even yield, break-even price, and projected profit. Free, runs in your browser, no download.
Paid ROI calculators
Sprayer Own vs Custom ROI Calculator
Own the sprayer or hire it done? Compares your true per-acre cost of ownership against custom application rates.
Fertilizer Blending Equipment ROI Calculator
Blend it yourself or buy pre-blended? Labor savings, throughput, and margin per ton vs. equipment cost.
Fertilizer Tender ROI Calculator
For ag retail plants: payback on a fertilizer tender from throughput gains and labor savings.
Fertilizer Receiving System ROI Calculator
Faster unload times, less demurrage: the payback math on upgrading fertilizer receiving.
Fertilizer Spreader ROI Calculator
Own the spreader or hire it done? Straight per-acre math on machine cost vs. custom rates.
Grain Dryer ROI Calculator
Own a dryer or pay the elevator? Compares drying cost per bushel, shrink, and LP against elevator charges.
Grain Bin Storage ROI Calculator
On-farm bins or commercial storage? Models bin cost, carry, and harvest spreads over 15 years.
Grain Receiving ROI Calculator
Upgrading the pit and legs? Calculates payback from faster truck turnaround and fewer harvest labor hours.
Seed Tender ROI Calculator
Does a seed tender pay for itself? Models faster planting, labor savings, and the yield value of timely planting.
Feed Tender ROI Calculator
For feed mills and livestock operations: payback on a feed tender from delivery efficiency.
The guides
Printable PDF guides for buying used equipment with confidence.
Used Tender Truck Inspection Checklist
A printable inspection checklist for evaluating a used tender truck before purchase.
How it works
Three steps. No account, no subscription, no learning curve.
Pick your calculator
Choose the equipment you're pricing — tender, dryer, bins, sprayer, and more.
Buy once on Gumroad
$79, one time. Instant download, secure checkout, yours forever.
Plug in your numbers
Open the Excel file, enter your costs and acres or tons, and get payback years and net benefit.
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