# Fertilizer Calc App vs Smart Orchard System

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

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

Fertilizer Calc App ships an update every 2 months, Smart Orchard System weekly. The most recent releases landed on October 18, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Fertilizer Calc App | Smart Orchard System |
| --- | --- | --- |
| 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 | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 73 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alberto Giambone](https://appshunter.io/developer/1412648174) | [Tech Tree Sdn Bhd](https://appshunter.io/developer/1756843252) |

## 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 |


### Smart Orchard System

[App page](https://appshunter.io/ios/app/smart-orchard-system/id6751658394)

**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 Smart Orchard System free?

Smart Orchard System is free to download, with no in-app purchases.

### Do Fertilizer Calc App or Smart Orchard System have ads?

Neither Fertilizer Calc App nor Smart Orchard System shows ads.

### Which is updated more often, Fertilizer Calc App or Smart Orchard System?

Fertilizer Calc App ships an update every 2 months, and Smart Orchard System weekly. Most recently, Fertilizer Calc App was updated on October 18, 2026 and Smart Orchard System on October 28, 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.*