Hay App vs CalfDex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hay App
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.
- 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
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The Hay App from Harvest Tec is a convenient tool to control your Automatic Hay Preservative Applicator with an iPad on your John Deere, New Holland, Case IH, AGCO, or other brand of hay baler, as well as immediate access to operators manuals, repair parts, and hay preservative info at the touch of a finger. The Hay App gives you all the same features as the prior generation Touch Screen Display through a Bluetooth connection on your iPad or iPad Mini. Making the highest quality hay has never been easier! Displays the following information while you bale: • Moisture content • Speed of baling (tonnage) • Volume of preservative used per bale • Target application rate and actual application rate • Total tons baled Requires Bluetooth antenna. See your local dealer for details.
CalfDex
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.
- Individual animal data collection
- Field data recording
- Web data upload
- Producer-friendly data formats
- Cross-platform compatibility
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CalfDex is a free cross-platform mobile app designed for easy beef calf individual animal data collection and recording in the field. Data are uploaded to the web and made available is easy-to-use formats by the producer/rancher.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Hay App | CalfDex |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (4 ratings) | 4.0 (6 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 4 | 6 — better |
| Update frequency | Every 3 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 12.4 — better | 13.0 |
| Further details — not scored | ||
| Size | 69 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | Harvest Tec, Inc | K-State Diagnostic And Analytical Services, Inc. |
Customer experience
Hay App
CalfDex
In-app purchases
Hay App
No in-app purchases
CalfDex
No in-app purchases
