Comparison

Fahrenheit Thermometer Plus vs Water Temperature

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

Head to head
About

Fahrenheit Thermometer Plus

This free digital thermometer app uses GPS to measure and display the ambient temperature in Fahrenheit. It includes a Fahrenheit to Celsius conversion calculator and a barometer function for compatible devices. It also shows sunrise and sunset times, offering a reference for outdoor activities.

Highlights
  • GPS ambient temperature measurement
  • Fahrenheit to Celsius conversion calculator
  • Barometer function (iPhone 6/Plus and later)
  • Badge displays Fahrenheit temperature
  • Sunrise and sunset time display
Features
Read full description

The simple free digital thermometer application that measures the ambient temperature of the current location measured by GPS and displays it in degrees Fahrenheit. The conversion calculator from Fahrenheit to Celsius with formula. Fahrenheit temperature is indicated in the badge (below zero is 1000, 1005 is -5 ℉). Barometric function by pressure sensor (iPhone 6 / Plus or later). Because it is outdoor temperature rather than indoor temperature, it is a reference for outfit clothes. Some areas are excluded. Displays sunrise time and sunset time.

About

Water Temperature

Monitor and record water temperatures directly from your Apple Watch. Get real-time readings, switch between units, and track your session duration. Ideal for water sports enthusiasts and anyone interested in water conditions.

Highlights
  • Real-time temperature monitoring
  • Fahrenheit/Celsius unit switching
  • Accurate temperature readings
  • Session timer
  • Min/Max temperature recording
  • Latest reading display
  • Dive Mode integration
Features
Read full description

The Water Temperature app is designed to help you monitor and record water temperatures using your Apple Watch. This app is perfect for surfers, swimmers, ice-bathers, and anyone wants water temperature readings in real-time. Key Features: - Real-Time Temperature Monitoring: Instantly view the current water temperature on your Apple Watch. - Temperature Units: Easily switch between Fahrenheit and Celsius. - Temperature Accuracy: Provides accurate readings with a ± precision. - Session Timer: Track the duration of your water activities with the built-in timer. - Min/Max Temperature Recording: Record and review the minimum and maximum water temperatures during your session. - Latest Reading Display: Always displays the most recent temperature reading and how long ago it was measured when out of the water. - Dive Mode Integration: Easily set up Dive mode using the Action button for quick access during water activities. Usage Instructions: 1. Install the Water Temperature app on your Apple Watch. 2. Enable the app in your settings to start monitoring water temperatures. 3. Switch to the Water Temperature app on your watch to begin recording temperatures. 4. View real-time temperature updates directly on your watch face. 5. Use the session timer to keep track of the duration of your activities. 6. Review the minimum and maximum temperatures recorded during your session. 7. Configure the Action button to quickly launch Dive mode for underwater activities by following the setup instructions in your watch settings. Note: This app is available only on devices with a Depth Gauge and Water Temperature Sensor. See Measure underwater temperature, duration, and depth on Apple Watch for more information: https://support.apple.com/guide/watch/measure-underwater-temperature-duration-depth-apd9073c83d6/watchos WARNING: Underwater activities are risky. To reduce the risk of serious or fatal injury, read and follow all instructions and warnings in the Apple Watch Ultra User Guide. THIS APP IS NOT A DIVE COMPUTER AND IS INTENDED FOR SURFACE LEVEL ACTIVITY ONLY. Enhance your water activities with accurate and reliable water temperature monitoring. Download the Water Temperature app now and start tracking!

Screenshots

Fahrenheit Thermometer Plus1 screens
Water Temperature3 screens

Verdict

The call

The clearest difference is price: Fahrenheit Thermometer Plus at Free against Water Temperature's $2.99. Fahrenheit Thermometer Plus also leads on rating (4.3 vs 3.5) and ratings volume (269 vs 4). Water Temperature's advantage is ads (none vs shown). On update cadence, in-app purchases and device support 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

Fahrenheit Thermometer Plus is free to download; Water Temperature costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Fahrenheit Thermometer Plus holds the better App Store score, 4.3 against 3.5. That said, the two scores are not equally well evidenced: Fahrenheit Thermometer Plus has 269 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 33% of Fahrenheit Thermometer Plus's written reviews are positive against 20% of Water Temperature's.

UpkeepUpdate frequency

Fahrenheit Thermometer Plus ships an update every 10 months, Water Temperature every 16 months. The most recent releases landed on August 16, 2026 and September 19, 2026 respectively.

Scorecard7 real differences · 3 level
Fahrenheit Thermometer Plus versus Water Temperature: the parameters behind the verdict, then further details
ParameterFahrenheit Thermometer PlusWater Temperature
PriceFree — better$2.99
Rating4.3 (269 ratings) — better3.5 (4 ratings)
Positive reviews33.3% of reviews — better20.0% of reviews
Number of ratings269 — better4
Update frequencyEvery 10 months — betterEvery 16 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported — betterPaid
DevicesiPhone, iPodiPhone, iPad, Apple Watch — better
Requires iOS12.0 — better17.0
Further details — not scored
Size11 MB2 MB
Age rating4+4+
DeveloperSHIGETO TAKAGIAaron Satterfield

Customer experience

Fahrenheit Thermometer Plus

All ratings269 ratings
Positive82.2%
Neutral5.9%
Negative11.9%
Written reviews6 reviews
Positive33.3%
Neutral33.3%
Negative33.3%

Water Temperature

All ratings4 ratings
Positive50.0%
Neutral25.0%
Negative25.0%
Written reviews5 reviews
Positive20.0%
Neutral20.0%
Negative60.0%

In-app purchases

None

Fahrenheit Thermometer Plus

No in-app purchases

None

Water Temperature

No in-app purchases

Questions

Is Fahrenheit Thermometer Plus free?
Fahrenheit Thermometer Plus is free to download, with no in-app purchases.
Is Water Temperature free?
Water Temperature costs $2.99, with no in-app purchases.
Which has better reviews, Fahrenheit Thermometer Plus or Water Temperature?
Fahrenheit Thermometer Plus is rated higher. Fahrenheit Thermometer Plus averages 4.3 out of 5 from 269 ratings, while Water Temperature averages 3.5 from 4 ratings.
Do Fahrenheit Thermometer Plus or Water Temperature have ads?
Fahrenheit Thermometer Plus shows ads; Water Temperature does not.
Which is updated more often, Fahrenheit Thermometer Plus or Water Temperature?
Fahrenheit Thermometer Plus ships an update every 10 months, and Water Temperature every 16 months. Most recently, Fahrenheit Thermometer Plus was updated on August 16, 2026 and Water Temperature on September 19, 2026.

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