# Milkmix vs Dairy Ventilation

The clearest difference is in-app purchases: Dairy Ventilation at none against Milkmix's 4. Dairy Ventilation also leads on update cadence (every 2 weeks vs every 6 weeks). Milkmix's advantage is iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Milkmix sells 4 in-app purchases, starting at $24.99 per year. Dairy Ventilation asks for nothing beyond the download.

Milkmix ships an update every 6 weeks, Dairy Ventilation every 2 weeks. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Milkmix | Dairy Ventilation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/dairy-ventilation/id6767579932/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 37 MB | 27 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Poland Dairy Service LLC](https://appshunter.io/developer/1847025244) | [University of Wisconsin-Madison Shared Apps](https://appshunter.io/developer/908478605) |

## What reviewers say

### Milkmix

[App page](https://appshunter.io/ios/app/milkmix/id6754192786)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Individual Annual Plan | $24.99 | per year |
| Add Member to Farm | $24.99 | per year |
| Consultant Access | $24.99 | per year |
| Consultant Farm Join Request | $24.99 | one-time |


### Dairy Ventilation

[App page](https://appshunter.io/ios/app/dairy-ventilation/id6767579932)

This tool helps dairy producers make informed decisions about managing heat stress and mechanical ventilation in barns. It calculates key metrics like the Temperature-Humidity Index and fan efficiency, aiding in system design and upgrades.

**Highlights:** Temperature-Humidity Index (THI) calculation with location-based weather, Fan sizing and selection for barns, Assessment of existing ventilation performance, Fan efficiency comparison, Payback period analysis for upgrades

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Milkmix free?

Milkmix is free to download, with in-app purchases available.

### Is Dairy Ventilation free?

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

### Do Milkmix or Dairy Ventilation have ads?

Neither Milkmix nor Dairy Ventilation shows ads.

### Which is updated more often, Milkmix or Dairy Ventilation?

Milkmix ships an update every 6 weeks, and Dairy Ventilation every 2 weeks. Most recently, Milkmix was updated on October 1, 2026 and Dairy Ventilation on October 14, 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.*