# Hay App vs CalfDex

The clearest difference is rating: CalfDex at 4.0 against Hay App's 3.5. CalfDex also leads on device support (3 vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CalfDex holds the better App Store score, 4.0 against 3.5. Both are backed by a comparable volume of ratings — 4 and 6 respectively.

Hay App ships an update every 3 months, CalfDex every 5 months. The most recent releases landed on August 17, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Hay App | CalfDex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (4 ratings)](https://appshunter.io/ios/app/hay-app/id1063775910/reviews) | **[4.0 (6 ratings)](https://appshunter.io/ios/app/calfdex/id1643020508/reviews)** |
| Number of ratings | 4 | **6** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 69 MB | 57 MB |
| Requires iOS | **12.4** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Harvest Tec, Inc](https://appshunter.io/developer/975695298) | [K-State Diagnostic And Analytical Services, Inc.](https://appshunter.io/developer/1065009558) |

## What reviewers say

### Hay App

[App page](https://appshunter.io/ios/app/hay-app/id1063775910)

Control your automatic hay preservative applicator directly from your iPad. Access operator manuals, repair parts, and preservative information. Monitor baling speed, moisture content, and preservative usage in real-time.

**Highlights:** iPad control for hay preservative applicators, Real-time moisture content display, Baling speed and tonnage monitoring, Preservative volume and application rate tracking, Access to operator manuals and repair parts, Bluetooth connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


### CalfDex

[App page](https://appshunter.io/ios/app/calfdex/id1643020508)

This mobile application allows beef ranchers to easily collect and record individual animal data in the field. All collected information is uploaded to the web for producers to access in user-friendly formats.

**Highlights:** Individual animal data collection, Field data recording, Web data upload, Producer-friendly data formats, Cross-platform compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hay App free?

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

### Is CalfDex free?

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

### Which has better reviews, Hay App or CalfDex?

CalfDex is rated higher. Hay App averages 3.5 out of 5 from 4 ratings, while CalfDex averages 4.0 from 6 ratings.

### Do Hay App or CalfDex have ads?

Neither Hay App nor CalfDex shows ads.

### Which is updated more often, Hay App or CalfDex?

Hay App ships an update every 3 months, and CalfDex every 5 months. Most recently, Hay App was updated on August 17, 2026 and CalfDex on June 1, 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.*