Comparison

WeatherFX vs Kestrel LiNK

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

Head to head
About

WeatherFX

This app provides current international weather conditions and up to 5-day forecasts. It estimates heat stress indicators like wet bulb and WBGT temperatures, offering guidance on fluid intake and work/rest ratios for outdoor activities. It supports multiple languages and units of measurement.

Highlights
  • Current international weather conditions
  • 5-day forecast data
  • GPS-based weather station identification
  • Wet bulb and WBGT temperature estimation
  • Work/rest ratio and fluid intake guidance
  • Manual and random weather estimations
  • Temperature and pressure unit conversion
Features
Currently charting
Read full description

WeatherFX is an app that is helpful to people who either work or play outdoors. Features: • Current International Weather Conditions • Up to 5 days of forecast data • Map with your location and closest weather station • Heat Flag Condition • Fluid Consumption and work Rest Ratios • Manual and Random Estimations • Spanish, French, Portuguese and Dutch Languages • Locale Support for time and measurements The app can provide guidance on work/rest ratios and fluid intake due to high temperatures. WeatherFX is an app that can retrieve temperature, barometric pressure and relative humidity based on the iPhone/iPad GPS data. The app will also approximate the wet bulb and wet bulb globe (WBGT) temperatures from the retrieved values. Please note that the WBGT is just an estimate. The estimate does not account for wind or low light conditions. The estimate is based on a moderate amount of sunlight. True WBGT can only be acquired through WBGT instrumentation. Once you accept the prompt to acquire the GPS position, the Latitude and Longitude labels will be populated. Click the “Update” button and the app will populate the temperature, pressure and humidity text fields based the closest weather Station ID to your position. The app will then calculate the wet bulb and WBGT temperatures. You'll also notice that the WeatherFX app will place the location name and time of the reading at the top of the screen. This way you will know if the readings are in your location and timely. Besides acquiring the weather from GPS you may get your own estimates for wet bulb and WBGT temperatures by typing temperature, pressure and humidity into the respective text fields. Click the “Manual” segmented button, enter the white fields followed by clicking the “Update” button. The app will also compute random numbers for temperature, pressure and humidity clicking the "Shake" segmented button. The device may be shaken and new settings will populate the fields. Click update button and the random wet bulb and WBGT temperatures will be computed. After an update has been executed, you may use WeatherFX to quickly convert temperatures from Fahrenheit to Celsius and vice versa by clicking the desired “°F” or "°C” segmented buttons. Barometric pressure may be converted from inches mercury to millibars and vice versa by clicking the desired “in” or “mBar” segmented buttons. After an update you will be presented with a flag condition button on the bottom left of the screen. The flag condition is derived from the WBGT estimate. If the flag condition is not “NONE”, you may click on the condition to yield work to rest ratios and water consumption given the current estimated flag condition. These figures are posted as a quick and portable reference only. Guidance for these figures are acquired from the U.S. Marine Corps Order 6200.1E dated June, 2002. You are strongly advised to read the complete guidance to know what each entry means.

About

Kestrel LiNK

This application allows users to monitor, download, and share environmental data collected by Kestrel Instruments meters and data loggers. It provides a seamless way to send your weather information to the cloud for further analysis and accessibility.

Highlights
  • Monitor environmental data
  • Download data
  • Share data
  • Send data to the cloud
  • Connect with Kestrel Instruments devices
Features
Read full description

Monitor, download, share or send your weather data to the cloud from your Kestrel Instruments environment meter or data logger.

Screenshots

WeatherFX4 screens
Kestrel LiNK4 screens

Verdict

The call

The clearest difference is price: Kestrel LiNK at Free against WeatherFX's $0.99. Kestrel LiNK also leads on rating (2.9 vs 2.2). WeatherFX's advantage is chart position (#93 vs unranked) and iOS requirement (9.0 vs 13.0). On review sentiment, ratings volume, update cadence and ads 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

Kestrel LiNK is free to download; WeatherFX costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Kestrel LiNK holds the better App Store score, 2.9 against 2.2. Both are backed by a comparable volume of ratings — 16 and 31 respectively. Written reviews point the same way: 21% of WeatherFX's written reviews are positive against 27% of Kestrel LiNK's.

UpkeepUpdate frequency

WeatherFX ships an update every 3 months, Kestrel LiNK every 2 months. Both last shipped on October 29, 2026.

Scorecard5 real differences · 6 level
WeatherFX versus Kestrel LiNK: the parameters behind the verdict, then further details
ParameterWeatherFXKestrel LiNK
Price$0.99Free — better
Rating2.2 (16 ratings)2.9 (31 ratings) — better
Positive reviews21.4% of reviews27.3% of reviews — better
Number of ratings1631 — better
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
Best chart rank#93 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better13.0
Further details — not scored
Size2 MB70 MB
Age rating4+4+
DeveloperAntikytherusNielsen-Kellerman Co.

Customer experience

WeatherFX

All ratings16 ratings
Positive31.3%
Neutral0.0%
Negative68.8%
Written reviews14 reviews
Positive21.4%
Neutral14.3%
Negative64.3%

Kestrel LiNK

All ratings31 ratings
Positive38.7%
Neutral9.7%
Negative51.6%
Written reviews33 reviews
Positive27.3%
Neutral9.1%
Negative63.6%

In-app purchases

None

WeatherFX

No in-app purchases

None

Kestrel LiNK

No in-app purchases

Questions

Is WeatherFX free?
WeatherFX costs $0.99, with no in-app purchases.
Is Kestrel LiNK free?
Kestrel LiNK is free to download, with no in-app purchases.
Which has better reviews, WeatherFX or Kestrel LiNK?
Kestrel LiNK is rated higher. WeatherFX averages 2.2 out of 5 from 16 ratings, while Kestrel LiNK averages 2.9 from 31 ratings.
Do WeatherFX or Kestrel LiNK have ads?
Neither WeatherFX nor Kestrel LiNK shows ads.
Which is updated more often, WeatherFX or Kestrel LiNK?
WeatherFX ships an update every 3 months, and Kestrel LiNK every 2 months. Most recently, WeatherFX was updated on October 29, 2026 and Kestrel LiNK on October 29, 2026.

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