Comparison

WagnerSentry vs Dairy Ventilation

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

WagnerSentry

Monitor real-time temperature and humidity data from smart devices. View ambient and in-floor conditions simultaneously, receive alerts for custom thresholds, and download historical data for analysis and reporting.

Highlights
  • Real-time data viewing
  • Historical data download
  • Customizable alerts
  • Graph and list data views
  • Email report generation
  • Bluetooth connectivity
Features
Read full description

Wagner Sentry® is a multipurpose smart device app built to view real-time data and download historical data from Wagner Meters’ relative humidity and temperature data logger devices. The app connects via Bluetooth® to the Floor Sentry® embedded wood floor data logger, the new Smart Logger V2 ambient conditions data logger, and the original Smart Logger V1. Wagner Sentry App with Floor Sentry: Monitor the health of your wood floor in real time. Receive temperature and relative humidity (RH) readings both within the wood floor and within the subfloor or underlayment. Wagner Sentry App with Smart Logger (V1 and V2): Keep a constant eye on ambient conditions with live temperature and relative humidity (RH) data. Take control of your surroundings and make informed decisions to maintain optimal ambient conditions. Wagner Sentry App with Both Floor Sentry and Smart Logger (V1 and V2): View both the ambient and in-floor conditions simultaneously. Streamline your monitoring process and gain complete visibility across multiple locations. Additional Features: Receive alerts when readings exceed your customized thresholds. Configure recording intervals to suit your needs. Access and download all stored temperature and relative humidity (RH) readings across multiple locations. View temperature and RH data as easy-to-read graphs or comprehensive lists, allowing for quick analysis. Easily compile data and email reports.

About

Dairy Ventilation

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
Read full description

Welcome to the Dairy Ventilation Calculator- a free UW-Madison Extension tool for dairy producers to support decisions about heat stress management and mechanical ventilation in dairy barns. FEATURES - THI (Temperature-Humidity Index) with location-based weather - Adopting Fans calculator — size and select fans for your barn - Evaluating Ventilation calculator — assess existing ventilation performance - Fan Efficiency comparison chart — compare fan models side by side - Payback Period analysis — estimate return on investment for upgrades WHO IT'S FOR - Dairy producers managing heat stress in cow housing - Farm managers planning fan upgrades or new ventilation systems - Extension educators and dairy consultants ABOUT Developed by Nesli Akdeniz in Biological Systems Engineering at UW-Madison as an educational and decision-support tool for dairy producers. Calculations follow established methods used in dairy ventilation design. Results are intended to give general guidance. Final decisions and outcomes remain the responsibility of the user.

Screenshots

WagnerSentry4 screens
Dairy Ventilation4 screens

Verdict

The call

The clearest difference is rating: Dairy Ventilation at 5.0 against WagnerSentry's 4.0. Dairy Ventilation also leads on update cadence (every 2 weeks vs every 4 months). On price, ratings volume, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Dairy Ventilation holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

UpkeepUpdate frequency

WagnerSentry ships an update every 4 months, Dairy Ventilation every 2 weeks. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

Scorecard2 real differences · 8 level
WagnerSentry versus Dairy Ventilation: the parameters behind the verdict, then further details
ParameterWagnerSentryDairy Ventilation
PriceFreeFree
Rating4.0 (2 ratings)5.0 (4 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings24 — better
Update frequencyEvery 4 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size25 MB27 MB
Age rating4+4+
DeveloperWagner Electronic Products, Inc.University of Wisconsin-Madison Shared Apps

Customer experience

WagnerSentry

All ratings2 ratings
Positive50.0%
Neutral50.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

Dairy Ventilation

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

WagnerSentry

No in-app purchases

None

Dairy Ventilation

No in-app purchases

Questions

Is WagnerSentry free?
WagnerSentry is free to download, with no in-app purchases.
Is Dairy Ventilation free?
Dairy Ventilation is free to download, with no in-app purchases.
Which has better reviews, WagnerSentry or Dairy Ventilation?
Dairy Ventilation is rated higher. WagnerSentry averages 4.0 out of 5 from 2 ratings, while Dairy Ventilation averages 5.0 from 4 ratings.
Do WagnerSentry or Dairy Ventilation have ads?
Neither WagnerSentry nor Dairy Ventilation shows ads.
Which is updated more often, WagnerSentry or Dairy Ventilation?
WagnerSentry ships an update every 4 months, and Dairy Ventilation every 2 weeks. Most recently, WagnerSentry was updated on October 7, 2026 and Dairy Ventilation on September 29, 2026.

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