Comparison

Hygrometer vs HD Thermometer ⊎

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

Head to head
About

Hygrometer

This application provides real-time outdoor humidity readings for your current location. It features an easy-to-read analog design and is compatible with iPhone, iPad, and Apple Watch.

Highlights
  • Real-time outdoor humidity
  • Current location readings
  • Analog design
  • iPhone/iPad support
  • Apple Watch support
Features
Currently charting
Read full description

Check the Humidity A beautifully crafted analog hygrometer for your everyday life. Hygrometer combines the charm of a classic instrument with the convenience of modern technology. Choose from beautiful retro-inspired themes and check your surroundings at a glance. Enjoy a simple, elegant way to see the humidity around you. FEATURES: - Beautiful analog-inspired design - Retro theme with classic instrument styles - Current outdoor humidity - Location-based weather information - Share your current humidity as an image - Easy-to-read interface - Universal app for iPhone and iPad - Lock screen widget / Home screen widget support - Apple Watch support Whether you are checking the air before going outside, monitoring your home environment, or simply enjoying a beautifully designed utility, Hygrometer is always ready when you need it. Need help or have feedback? Contact us at: https://morethan.net/support We will be happy to help. If you enjoy Hygrometer, please consider leaving a review on the App Store. Your feedback helps us continue improving the app. Thank you for using Hygrometer.

About

HD Thermometer ⊎

Displays the current temperature for your location using a weather service. Offers a clean, rustic interface and allows saving multiple locations. Not a true thermometer, it relies on external data for accuracy.

Highlights
  • Current location temperature display
  • Rustic style interface
  • Save multiple locations
  • Clean and easy to use
  • Auto-save feature
Features
Currently charting
Read full description

Real-time temperature, always accurate, wherever you are. HD Thermometer gives you accurate, real-time temperature readings for your current location and any city in the world. Simple to use, stunning to look at. Features • Real-time temperature for your current location • Pressure & humidity at a glance • Indoor temperature estimation • Save and monitor multiple locations — swipe to switch • Beautiful thermometer skins: classic analog, golden gauge, flat, and more "Works very well — a nice clean interface and easy to use!" "Very accurate and really easy to use and control." "Very simple. I like the auto-save and the ability to flip through locations." Privacy Policy: https://imaginatr.com/applications/hd-thermometer/privacy Terms of Service: https://imaginatr.com/applications/hd-thermometer/terms

Screenshots

Hygrometer4 screens
HD Thermometer ⊎4 screens

Verdict

The call

The clearest difference is rating: Hygrometer at 4.7 against HD Thermometer ⊎'s 4.3. Hygrometer also leads on review sentiment (53% vs 37%). HD Thermometer ⊎'s advantage is update cadence (fortnightly vs every 2 months) and iOS requirement (15.0 vs 17.0). 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. Hygrometer sells 2 one-off in-app purchases and HD Thermometer ⊎ sells 5 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Hygrometer holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 6.1K and 13K respectively. Written reviews point the same way: 53% of Hygrometer's written reviews are positive against 37% of HD Thermometer ⊎'s.

UpkeepUpdate frequency

Hygrometer ships an update every 2 months, HD Thermometer ⊎ fortnightly. The most recent releases landed on September 22, 2026 and September 25, 2026 respectively.

Scorecard4 real differences · 7 level
Hygrometer versus HD Thermometer ⊎: the parameters behind the verdict, then further details
ParameterHygrometerHD Thermometer ⊎
PriceFreeFree
Rating4.7 (6.1K ratings) — better4.3 (13K ratings)
Positive reviews53.0% of reviews — better36.6% of reviews
Number of ratings6.1K13K — better
Update frequencyEvery 2 monthsFortnightly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#135#120 — better
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS17.015.0 — better
Further details — not scored
Size114 MB48 MB
Age rating4+4+
DeveloperMORETHAN APPSChristophe Pereira

Customer experience

Hygrometer

All ratings6,112 ratings
Positive92.2%
Neutral3.6%
Negative4.1%
Written reviews287 reviews
Positive53.0%
Neutral5.6%
Negative41.5%

HD Thermometer ⊎

All ratings13,067 ratings
Positive83.3%
Neutral5.2%
Negative11.5%
Written reviews366 reviews
Positive36.6%
Neutral3.8%
Negative59.6%

User reviews

Hygrometer

From 6.1K App Store ratings

What we love

  • 🚀 Accurate humidity readings
  • 👍 Simple and easy to use
  • 👍 Helpful for monitoring humidity levels
  • 👍 Useful for specific needs (e.g., guitar storage, painting)

Room to improve

  • 🐛 Inaccurate humidity readings
  • 🐛 Inconsistent performance, app crashes
  • 🔋 Drains battery
  • 📍 Provides location-based data, not actual indoor measurements

HD Thermometer ⊎

From 13K App Store ratings

What we love

  • ✅ Accurate
  • 🚀 Simple and reliable
  • 💻 Convenient for checking temperatures
  • 🌍 Provides temperatures for multiple locations

Room to improve

  • 🚫 Does not measure indoor/room temperature
  • 🤔 Relies on weather data rather than direct measurement
  • 💰 Paid version required to remove ads
  • 📍 Inaccurate location detection

Bugs and requests

Hygrometer

Reported bugs

3 issues
  • App crashes on startup
  • Humidity readings are wildly inaccurate
  • Location tracking issues

Requested features

4 requests
  • Add temperature information
  • Include indoor humidity monitoring
  • Provide humidity trend/forecast
  • Add ability to set humidity alerts/notifications

HD Thermometer ⊎

Reported bugs

2 issues
  • Temperatures do not update when moving to a cooler/warmer location
  • Paid version still shows ads

Requested features

3 requests
  • Add option to manually set location
  • Implement direct temperature measurement for indoor use
  • Allow rotation to landscape mode on tablets

In-app purchases

2 purchases

Hygrometer

One-time2
  • Pro$1.99
  • Buy me a coffee$2.99
5 purchases

HD Thermometer ⊎

Subscriptions2
  • Premium Version, Monthly$0.991 Month
  • Premium Version, Yearly$2.991 Year
One-time3
  • Premium features without ads$1.99
  • Premium features without ads$2.99
  • Premium features without ads$5.99

Questions

Is Hygrometer free?
Hygrometer is free to download, with in-app purchases available.
Is HD Thermometer ⊎ free?
HD Thermometer ⊎ is free to download, with in-app purchases available.
Which has better reviews, Hygrometer or HD Thermometer ⊎?
Hygrometer is rated higher. Hygrometer averages 4.7 out of 5 from 6.1K ratings, while HD Thermometer ⊎ averages 4.3 from 13K ratings.
Do Hygrometer or HD Thermometer ⊎ have ads?
Both Hygrometer and HD Thermometer ⊎ show ads.
Which is updated more often, Hygrometer or HD Thermometer ⊎?
Hygrometer ships an update every 2 months, and HD Thermometer ⊎ fortnightly. Most recently, Hygrometer was updated on September 22, 2026 and HD Thermometer ⊎ on September 25, 2026.
Which is more popular, Hygrometer or HD Thermometer ⊎?
Hygrometer currently peaks at #135 in the App Store charts, and HD Thermometer ⊎ at #120. Chart position reflects recent download velocity rather than total install base.

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