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Fertilizer Calc App

Fertilizer Calc App

Farm Calculator

1 ratings
2 reviews
🔧 Utilities
📊 Productivity
$1.99 Free
In-App Purchases

Lowest price: Free a year ago (-100%)

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Price history

Details

  • Released
  • Updated
  • January 27, 2019
  • July 18, 2025

Developer

Alberto Giambone
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About

This app helps farmers precisely calculate fertilization needs for their crops. Users can input field details, set fertilization targets for key nutrients like N, P, and K, and determine the required application rates per hectare. It also supports custom area units for flexible calculations.

✓Calculate N, P, K, MG, CA needs per field
✓Set fertilization targets
✓Determine Kg/Ha for each element
✓Add custom area units
✓Supports multiple custom units with Pro membership
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What's New in Fertilizer Calc App

3.4.3

July 18, 2025

Under the hood improvements

Subscription plans

Custom Area Unit

Custom Area Unit

$9.991 Year
How to cancel Fertilizer Calc App subscription ⁉️

User reviews

Most RecentHighest RatedLowest Rated

Units

Wont let me change units in settings
BeamsevenBeamseven

Response from developer

You can change the unit in settings and the value will change in *Calc* and back in settings the value will change. I will fix this in a few days, it’s only a delay in displaying the right value but didn’t compromise the right calculation. Thanks for the feedback Best Alberto

No equivalencies….ha/kg only!

It would seem pretty easy to have this calculator allow for other units
CorralHillCorralHill

Response from developer

Thanks for the feedback, I will add more unit in the next release at the end of August.

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FAQ

What is Fertilizer Calc App used for?

Fertilizer Calc App is a farm calculator designed to help you precisely determine the fertilization needs for your crops. It allows you to set targets for key nutrients like N, P, and K for each field and calculate the required application rates in Kg/Ha.

Can Fertilizer Calc App handle custom area units?

Yes, Fertilizer Calc App supports custom area units. You can add your own units in square meters, and the app will perform the necessary conversions for your calculations. This feature is particularly useful for farmers working with non-standard land measurements.

What nutrients can I track with Fertilizer Calc App?

You can take control of fertilization for essential nutrients including Nitrogen (N), Phosphorus (P), Potassium (K), Magnesium (MG), and Calcium (CA) for every field you manage within the app.

How does Fertilizer Calc App handle custom area units with Pro membership?

With a Pro membership, Fertilizer Calc App allows you to add multiple custom area units. This provides greater flexibility in managing and calculating fertilization needs across diverse field sizes and measurement systems.

What is the price of Fertilizer Calc App?

Fertilizer Calc App is available for free. However, it offers in-app purchases for additional features such as adding multiple custom area units, with subscription plans available for monthly and yearly access.

What devices is Fertilizer Calc App compatible with?

Fertilizer Calc App is designed for Apple devices and is compatible with both iPhone and iPad.

How often is Fertilizer Calc App updated?

The latest version of Fertilizer Calc App is 3.4.3, and it was last updated on July 18, 2025. This indicates a commitment to ongoing development and improvements.

What is the age rating for Fertilizer Calc App?

Fertilizer Calc App has an age rating of 4+, making it suitable for a wide range of users, including younger individuals assisting with farm management tasks.