# NPKalc - Fertilizer Calculator — Simple Fertilizer Calculator

> Fertilizer calculator for granular and liquid applications with unit flexibility. (iPhone/iPad app by Barton Cone.)

- Source: https://appshunter.io/ios/app/npkalc-fertilizer-calculator/id6497334549 (this page in markdown: same URL + `.md`)
- Developer: [Barton Cone](https://appshunter.io/developer/1332401339)
- Category: Utilities
- Price: Free with in-app purchases
- Rating: 4.14/5 from 7 App Store ratings
- Age rating: 4+
- Requires: iOS 17.0 · 8 MB
- Languages: English
- Released: 2024-05-14
- Data updated: 2026-08-12
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/npkalc-fertilizer-calculator/id6497334549/reviews.md

## What is NPKalc?

NPKalc is an easy to use fertilizer calculator that supports granular and liquid fertilizers with different unit of measures for input. Perfect for the DIY lawn dominator, gardener, landscape professional, golf course superintendents and farmers.

Disclaimer: While we strive to provide accurate information, we do not accept responsibility for any misuse of the NPKalc app. Users are encouraged to use the app responsibly, cross check calculations and consult with experts for specific advice on fertilizer usage.

## Key features

- Granular fertilizer calculation
- Liquid fertilizer calculation
- Supports various units of measure
- Ideal for DIY lawn care
- Useful for professionals

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| NPKalc Pro | $4.99 | one-time |



## Frequently asked questions about NPKalc

### What types of fertilizers can NPKalc calculate?

NPKalc supports calculations for both granular and liquid fertilizers. This allows for flexibility depending on the type of fertilizer you are using for your lawn or garden.

### Does NPKalc support different units of measurement?

Yes, NPKalc is designed to support various units of measure for input. This feature ensures that users can input their fertilizer data accurately, regardless of the units they are accustomed to.

### Who is the target audience for NPKalc?

NPKalc is suitable for a wide range of users, including DIY lawn enthusiasts, gardeners, landscape professionals, golf course superintendents, and farmers. Its features cater to both personal and professional needs.

### Is NPKalc available on multiple devices?

Currently, NPKalc is supported on iPhone devices. Information regarding availability on other platforms like Android is not specified in the current data.

### How often is NPKalc updated?

NPKalc was last updated on May 14, 2024, with version 1.0. This indicates it is a relatively new application, and future updates may be released to improve functionality and add features.

### What is the age rating for NPKalc?

NPKalc has an age rating of 4+. This suggests it is suitable for users of all ages, with no mature content or complex themes that would restrict younger audiences.

### Does NPKalc have ads?

NPKalc does not contain advertisements. The app is free to use and does not display any ads, providing an uninterrupted user experience.

### Are there any in-app purchases in NPKalc?

Yes, NPKalc does have in-app purchases available. While the app is free to download and use, these purchases may offer additional features or content.

## Version history (last 1 release)

### 1.0 — 2024-05-14

No release notes.

## Apps similar to NPKalc

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [TurfPro Mobile](https://appshunter.io/ios/app/turfpro-mobile/id1453090817) | 5.0 (4) | Free | Utilities |
| [Mobile Weed Manual](https://appshunter.io/ios/app/mobile-weed-manual/id1572882654) | 4.7 (12) | Free | Utilities |
| [Soil Test Pro](https://appshunter.io/ios/app/soil-test-pro/id485742991) | 3.7 (14) | Free | Utilities |
| [MRTN Rate Calculator](https://appshunter.io/ios/app/mrtn-rate-calculator/id560788301) | 5.0 (1) | Free | Utilities |
| [Crop Nutrient advisor](https://appshunter.io/ios/app/crop-nutrient-advisor/id1170816834) | — | Free | Utilities |
| [Lynx Handheld](https://appshunter.io/ios/app/lynx-handheld/id1025987165) | — | Free | Utilities |

## More apps by Barton Cone

- [Budget Planner - Mellow](https://appshunter.io/ios/app/budget-planner-mellow/id1332401340)
- [Golf Range Finder - Skyrange](https://appshunter.io/ios/app/golf-range-finder-skyrange/id6462957427)

All apps by Barton Cone: https://appshunter.io/developer/1332401339

## Related topics

[npkalc](https://appshunter.io/ios/topics/npkalc) · [ndsu nitrogen calculator](https://appshunter.io/ios/topics/ndsu-nitrogen-calculator)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-12.*