# CalfScan vs MooLogue

The clearest difference is price: MooLogue at Free against CalfScan's $1.99. MooLogue also leads on update cadence (every 5 days vs every 18 months). CalfScan's advantage is iOS requirement (12.0 vs 14.0). On ads, in-app purchases and device support there is nothing between them.

MooLogue is free to download; CalfScan costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CalfScan ships an update every 18 months, MooLogue every 5 days. The most recent releases landed on September 10, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | CalfScan | MooLogue |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calfscan/id1491071213/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 5 days** |
| Monetization | Paid | — |
| Size | 6 MB | 205 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [University of Wisconsin - Madison School of Veterinary Medicine](https://appshunter.io/developer/871872159) | [Suresh Raja Neethirajan](https://appshunter.io/developer/1803447486) |

## What reviewers say

### CalfScan

[App page](https://appshunter.io/ios/app/calfscan/id1491071213)

This app provides a graphical interface for storing and evaluating calf lung ultrasound scan results. It is designed as a tool to support specific livestock management philosophies.

**Highlights:** Graphical interface for data entry, Evaluation of calf lung ultrasound results, Supports WeanClean Philosophy implementation, Developed by veterinary medicine experts

**Features:** macOS Compatibility

**In-app purchases:** none


### MooLogue

[App page](https://appshunter.io/ios/app/moologue/id6749261442)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CalfScan free?

CalfScan costs $1.99, with no in-app purchases.

### Is MooLogue free?

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

### Do CalfScan or MooLogue have ads?

Neither CalfScan nor MooLogue shows ads.

### Which is updated more often, CalfScan or MooLogue?

CalfScan ships an update every 18 months, and MooLogue every 5 days. Most recently, CalfScan was updated on September 10, 2026 and MooLogue on September 6, 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.*