# Pearson Square Calculation vs Cluck Mobile

The clearest difference is price: Cluck Mobile at Free against Pearson Square Calculation's $1.99. Cluck Mobile also leads on update cadence (every 9 months vs every 21 months). Pearson Square Calculation's advantage is iOS requirement (11.0 vs 13.0). On ads, in-app purchases and device support there is nothing between them.

Cluck Mobile 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.

Pearson Square Calculation ships an update every 21 months, Cluck Mobile every 9 months. The most recent releases landed on October 8, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Pearson Square Calculation | Cluck Mobile |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| 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 21 months | **Every 9 months** |
| Monetization | Paid | — |
| Size | 1 MB | 44 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Raghav Sharma](https://appshunter.io/developer/1370486193) | [FeatheryCare](https://appshunter.io/developer/1757680802) |

## What reviewers say

### 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


### Cluck Mobile

[App page](https://appshunter.io/ios/app/cluck-mobile/id6547871671)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pearson Square Calculation free?

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

### Is Cluck Mobile free?

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

### Do Pearson Square Calculation or Cluck Mobile have ads?

Neither Pearson Square Calculation nor Cluck Mobile shows ads.

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

Pearson Square Calculation ships an update every 21 months, and Cluck Mobile every 9 months. Most recently, Pearson Square Calculation was updated on October 8, 2026 and Cluck Mobile on September 29, 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.*