# Fertilizer Calc App vs eDPPT

The clearest difference is in-app purchases: eDPPT at none against Fertilizer Calc App's 2. eDPPT also leads on iOS requirement (13.0 vs 16.0). Fertilizer Calc App's advantage is update cadence (every 2 months vs every 39 months). On price, ads and device support there is nothing between them.

Both are free to download. Fertilizer Calc App sells 2 in-app purchases, starting at $1.99 per month. eDPPT asks for nothing beyond the download.

Fertilizer Calc App ships an update every 2 months, eDPPT every 39 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Fertilizer Calc App | eDPPT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/fertilizer-calc-app/id1450299266/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 39 months |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 8 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alberto Giambone](https://appshunter.io/developer/1412648174) | [David Dieffenderfer](https://appshunter.io/developer/1344558121) |

## What reviewers say

### Fertilizer Calc App

[App page](https://appshunter.io/ios/app/fertilizer-calc-app/id1450299266)

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.

**Highlights:** 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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Custom Area Unit | $1.99 | per month |
| Custom Area Unit | $9.99 | per year |


### eDPPT

[App page](https://appshunter.io/ios/app/edppt/id1596289970)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fertilizer Calc App free?

Fertilizer Calc App is free to download, with in-app purchases available.

### Is eDPPT free?

eDPPT is free to download, with no in-app purchases.

### Do Fertilizer Calc App or eDPPT have ads?

Neither Fertilizer Calc App nor eDPPT shows ads.

### Which is updated more often, Fertilizer Calc App or eDPPT?

Fertilizer Calc App ships an update every 2 months, and eDPPT every 39 months. Most recently, Fertilizer Calc App was updated on November 2, 2026 and eDPPT on November 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*