# Perfect Udder vs Datamars PRO

The clearest difference is rating: Perfect Udder at 5.0 against Datamars PRO's 2.3. Datamars PRO's advantage is update cadence (every 3 weeks vs every 2 months) and ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Perfect Udder holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Perfect Udder ships an update every 2 months, Datamars PRO every 3 weeks. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Perfect Udder | Datamars PRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/perfect-udder/id6670759095/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/datamars-pro/id6746123681/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 52 MB | 81 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dairy Tech LLC](https://appshunter.io/developer/1767398069) | [Datamars SA](https://appshunter.io/developer/899066582) |

## What reviewers say

### Perfect Udder

[App page](https://appshunter.io/ios/app/perfect-udder/id6670759095)

This app helps manage and control specific dairy pasteurizer machines. It assists with setup, operation, and firmware updates for compatible models.

**Highlights:** Machine setup and control, Firmware updates for Gen2 machines, Compatibility with Matilda and Adda Pasteurizers, Remote operation capabilities

**Features:** Vision Pro support

**In-app purchases:** none


### Datamars PRO

[App page](https://appshunter.io/ios/app/datamars-pro/id6746123681)

This app simplifies farm management by connecting Tru-Test devices and livestock data. It allows for live recording, session management, cloud syncing, and instant sharing of data to support informed decision-making and improve farm productivity.

**Highlights:** Connect Tru-Test devices, Live weight recording, Manage weigh sessions, Cloud sync for offline work, Instant data sharing, Support for NAIT and NLIS

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

**In-app purchases:** none


## Frequently asked questions

### Is Perfect Udder free?

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

### Is Datamars PRO free?

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

### Which has better reviews, Perfect Udder or Datamars PRO?

Perfect Udder is rated higher. Perfect Udder averages 5.0 out of 5 from 1 ratings, while Datamars PRO averages 2.3 from 3 ratings.

### Do Perfect Udder or Datamars PRO have ads?

Neither Perfect Udder nor Datamars PRO shows ads.

### Which is updated more often, Perfect Udder or Datamars PRO?

Perfect Udder ships an update every 2 months, and Datamars PRO every 3 weeks. Most recently, Perfect Udder was updated on October 21, 2026 and Datamars PRO on October 24, 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.*