NPKalc - Fertilizer Calculator
Barton Cone Utilities iPhoneiPadiPod touch
NPKalc - Fertilizer Calculator is a free Utilities app for iPhone and iPad by Barton Cone. Rated 4.6/5 from 16 ratings. Requires iOS 17.0.
- Rating
- 4.6
- 16 ratings
- Price
- Free
- on the App Store
- Size
- 8 MB
- Age 4+
- Updated
- May 14
- 2024 · v1.0
Screenshots
About NPKalc - Fertilizer Calculator
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.
Ratings & reviews
4.6
16 ratings
App privacy
The developer, Barton Cone, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Diagnostics: Crash Data
Used for: Other Purposes
Alternatives to NPKalc - Fertilizer Calculator
Looking for apps like NPKalc - Fertilizer Calculator? Here are 6 similar apps on the App Store. The highest rated is Mobile Weed Manual (4.7/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| NPKalc - Fertilizer Calculator | 4.6 / 5 (16 ratings) | Free | May 14, 2024 | |
| Fertilizer Calc App | 1.0 / 5 (1) | Free | Jul 18, 2025 | Compare |
| Mobile Weed Manual | 4.7 / 5 (12) | Free | Aug 11, 2026 | Compare |
| Mix Tank - Tank Mixing Order | 2.4 / 5 (19) | Free | Mar 19, 2026 | Compare |
| Soil Test Pro | 3.7 / 5 (14) | Free | Sep 24, 2026 | Compare |
| GCI Turf Calculator | – | Free | Sep 4, 2026 | Compare |
| USGA DEACON® | 3.9 / 5 (11) | Free | Sep 23, 2026 | Compare |