Comparison

Fuel Lock Device Simulator vs Libra Harvest

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Fuel Lock Device Simulator

Features
Read full description

This app lets your Fuel Lock® customers try it before they buy it. The simulator shows you what it's like to unlock a device, choose your fuel type, select equipment and enter its odometer reading. Then you're ready to begin "fueling." This app also provides photos of the device's inner workings. There is also a sales presentation slide deck to help you close the sale.

About

Libra Harvest

This app provides a comprehensive system for managing grain cart scales and harvest data. It automatically detects and records every unload, offering real-time insights into weight transactions, field tracking, and inventory management. Data can be viewed, shared, and exported for efficient farm operations.

Highlights
  • Automatic unload detection
  • Offline data collection
  • Field, truck, and destination tracking
  • Inventory management
  • Combine yield monitor calibration
  • Flexible unit display
  • Cloud data backup
Features
Read full description

Libra Harvest is a full-featured grain cart scale and harvest management system. The Libra Cart hardware connects to your grain cart's load cells and wirelessly communicates with the Libra Harvest app through Bluetooth®. It automatically detects and records every unload from your grain cart without additional sensors, providing accurate, real-time harvest data on your tablet or smartphone — no need to press any buttons or write anything down. The Libra Harvest app provides these features and more: 1. Automatic Unload Detection: Automatically saves the date, time, GPS location, and weight of every unload. 2. Record Offline: Collects and saves harvest data into the app whether or not your mobile device is connected to the Internet. 3. Track Fields, Trucks, Destinations: View totals and weight transactions for every field, truck, and destination (bins, bags, elevators, contracts). 4. Manage Inventory: Transfer amounts from one destination to another to track what has been moved or sold. 5. Calibrate the Combine’s Yield Monitor: View live weights and individually tare within Bluetooth® range to keep an eye on things or easily calibrate the yield monitor in the combine. 6. Flexible Unit Display: Display weights and totals in pounds, kilograms or bushels, and choose between light or dark mode. 7. Flexible Field Management: Create and edit field, truck, destination names and weight transactions on the fly. 8. Share and Export Data: Automatically backup your harvest data to the cloud and view it on a desktop computer. Upgrade to Harvest Pro: Unlock advanced features including multi-device syncing, team collaboration, desktop web editing, advanced reporting, farm management software integrations, and field boundary imports. Collaboration features, available with 3 or more Pro licenses, allow you to view all of your live cart weights from anywhere in the world, and manage each grain cart's settings remotely from the combine or the office. EULA: https://cloud.agrimatics.com/eula/harvest

Screenshots

Fuel Lock Device Simulator4 screens
Libra Harvest4 screens

Verdict

The call

The clearest difference is in-app purchases: Fuel Lock Device Simulator at none against Libra Harvest's 3. Fuel Lock Device Simulator also leads on iOS requirement (11.0 vs 13.0). Libra Harvest's advantage is update cadence (every 3 weeks vs every 6 months). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Libra Harvest sells 3 in-app purchases, starting at $129.00 per year. Fuel Lock Device Simulator asks for nothing beyond the download.

UpkeepUpdate frequency

Fuel Lock Device Simulator ships an update every 6 months, Libra Harvest every 3 weeks. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 6 level
Fuel Lock Device Simulator versus Libra Harvest: the parameters behind the verdict, then further details
ParameterFuel Lock Device SimulatorLibra Harvest
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 6 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Subscription
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size173 MB58 MB
Age rating4+4+
DeveloperMelcher Media & Design Inc.Bitstrata Systems Inc.

In-app purchases

None

Fuel Lock Device Simulator

No in-app purchases

3 purchases

Libra Harvest

Subscriptions3
  • Plant & Harvest Pro x1$129.001 Year
  • Plant & Harvest Pro x2$259.001 Year
  • Plant & Harvest Pro x3$389.001 Year

Questions

Is Fuel Lock Device Simulator free?
Fuel Lock Device Simulator is free to download, with no in-app purchases.
Is Libra Harvest free?
Libra Harvest is free to download, with in-app purchases available.
Do Fuel Lock Device Simulator or Libra Harvest have ads?
Neither Fuel Lock Device Simulator nor Libra Harvest shows ads.
Which is updated more often, Fuel Lock Device Simulator or Libra Harvest?
Fuel Lock Device Simulator ships an update every 6 months, and Libra Harvest every 3 weeks. Most recently, Fuel Lock Device Simulator was updated on October 25, 2026 and Libra Harvest on October 30, 2026.

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