Preg Calculator
By University of Wisconsin - Madison School of Veterinary Medicine
Preg Calculator is a reproductive performance utility for dairy herd managers, allowing users to calculate herd requirements and monitor actual pregnancy data on iOS.
The App DNA
What makes this app unique?
It removes the manual calculation friction for herd managers by importing data directly from DHI reports and DairyComp305.
For Dairy herd managers and veterinary professionals who need to calculate and monitor reproductive performance metrics.
What does it look like?
Key features
Calculates required pregnancies per interval based on herd check interval, herd size, calving interval, pregnancy loss rate, and culling rate.
Imports reproductive parameters from DHI reports or DairyComp305 using specific command inputs.
Allows users to input actual pregnancy data to compare against calculated herd requirements.
How much does it cost?
The app is provided as a free utility by an academic institution with no observed monetization.
Velocity
Dormant developmentUX improvementsplatform expansionShow more...
Preg Calculator has been inactive for 2,049 days, indicating the project is no longer receiving updates. The development history shows only a single version release, which focused on platform compatibility and minor UI adjustments. There is no evidence of ongoing maintenance or feature development, categorizing the app as a zombie project.
Who built it?
University of Wisconsin - Madison School of Veterinary Medicine
5 apps tracked · Education
Loco Score
CalfScan
Calf VIGOR Scorer
Group Pen Respiratory ScorerUser Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for Preg Calculator
How's the Education market?
Preg Calculator serves a specialized professional audience in the Education category, relying on its integration with DairyComp305 to maintain relevance. The lack of updates since 2021 signals a maintenance-only posture, limiting its ability to compete with modern, cloud-integrated herd management tools.
The rivals identified
The Analyst's Read
Key takeaways for Preg Calculator
Where is it heading?
The market for specialized agricultural tools is shifting toward cloud-native platforms that offer real-time synchronization. Preg Calculator remains a stable, offline-first utility, but its long-term viability depends on maintaining basic compatibility with the latest iOS releases to avoid obsolescence.
- The app remains in a maintenance-only state, providing consistent utility without the churn of frequent feature updates or monetization pressure.
- The five-year gap in development increases the risk of OS-level deprecation, which could render the app unusable for professional herd managers.
The SWOT
- Integration with DairyComp305 commands professional-grade utility for herd managers
- Modern interface update could capture users migrating to mobile-first workflows
Next best moves
Audit compatibility with current iOS versions because the app has not been updated since 2021 → prevent sudden app failure
The counter-intuitive read
The lack of updates is not a failure but a feature…
Read the full takeBottom line
Preg Calculator provides essential utility for dairy professionals through its DairyComp305 integration, but its five-year development silence leaves it exposed to platform obsolescence. Maintaining basic iOS compatibility would preserve this academic tool's value for the herd management community.
Unlock 1 critical friction, 1 market threat and the analyst’s take.
Access the full report for freeFAQ
Is Preg Calculator free to use?
Does Preg Calculator integrate with DairyComp305?
Is Preg Calculator still being updated?
Sources
- [1] App Store
- [2] Developer website, source
Report last updated