# PigletNutri vs Pearson Square Calculation

The clearest difference is price: PigletNutri at Free against Pearson Square Calculation's $1.99. PigletNutri also leads on update cadence (every 5 months vs every 21 months). Pearson Square Calculation's advantage is device support (4 vs 2) and iOS requirement (11.0 vs 16.0). On ads and in-app purchases there is nothing between them.

PigletNutri is free to download; Pearson Square Calculation costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PigletNutri ships an update every 5 months, Pearson Square Calculation every 21 months. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | PigletNutri | Pearson Square Calculation |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[3.8 (16 ratings)](https://appshunter.io/ios/app/pearson-square-calculation/id1418893046/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 21 months |
| Monetization | — | Paid |
| Size | 31 MB | 1 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Archer Daniels Midland Company](https://appshunter.io/developer/666084379) | [Raghav Sharma](https://appshunter.io/developer/1370486193) |

## What reviewers say

### PigletNutri

[App page](https://appshunter.io/ios/app/pigletnutri/id1216247492)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pearson Square Calculation

[App page](https://appshunter.io/ios/app/pearson-square-calculation/id1418893046)

This tool simplifies ration balancing using the Pearson square method. It helps determine exact proportions of ingredients for specific nutrient targets, applicable in various industries like animal feed, dairy, and food production.

**Highlights:** Pearson square method for ration balancing, Determine exact ingredient proportions, Calculate specific nutrient targets (e.g., crude protein), Multipurpose application in various industries, Simplifies complex ratio calculations

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PigletNutri free?

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

### Is Pearson Square Calculation free?

Pearson Square Calculation costs $1.99, with no in-app purchases.

### Do PigletNutri or Pearson Square Calculation have ads?

Neither PigletNutri nor Pearson Square Calculation shows ads.

### Which is updated more often, PigletNutri or Pearson Square Calculation?

PigletNutri ships an update every 5 months, and Pearson Square Calculation every 21 months. Most recently, PigletNutri was updated on October 13, 2026 and Pearson Square Calculation on October 8, 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.*