Comparison

Absolute Humidity vs Shelly Smart Control

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

Head to head
About

Absolute Humidity

This app calculates and displays absolute humidity using temperature and relative humidity data from connected devices. It helps users understand their environmental comfort level with numerical values and visuals. A Pro version offers weather forecasts for any location.

Highlights
  • Absolute humidity calculation
  • Supports HomeKit & SwitchBot meters
  • Comfort level visualization
  • Weather information (Pro version)
  • Volumetric & gravimetric humidity display
  • Ad-free experience (Pro version)
Features
Read full description

Support your comfortable environment! “Absolute Humidity” is an application that calculates and displays absolute humidity using temperature and relative humidity data obtained from a thermohygrometer. It is designed so that the comfort level can be understood at a glance with numerical values ​​and visuals. In addition, you can get weather information of any area you set and display the current absolute humidity and forecasts (Pro version only). ■ Thermo-hygrometer device SwitchBot Meter, SwitchBot Meter Plus, SwitchBot Meter Pro, SwitchBot Meter Pro (CO2 Monitor), SwitchBot Indoor/Outdoor Thermo-Hygrometer, SwitchBot Hub 2, and HomeKit accessories registered in the Home app are available. If you using SwitchBot devices without a hub, data is displayed only within the range of Bluetooth communication with the thermo-hygrometer. Outside the Bluetooth communication range, such as on the go, data will be displayed only when the SwitchBot cloud service is set to cooperate. ■ Absolute humidity method The absolute humidity display supports both volumetric absolute humidity (g/m3) and gravimetric absolute humidity (g/kg). ■About subscription In the free version, the number of thermo-hygrometers that can be displayed is limited to 4, and advertisements are displayed in the app. The paid subscription “Absolute Humidity Pro” has no display restrictions or advertisements. As an Amazon Associate “Absolute Humidity” earns from qualifying purchases.

About

Shelly Smart Control

Remotely monitor and control smart home devices from anywhere, either through the cloud or your local network. Manage lights, appliances, and sensors, and create custom automation scenes. Supports Wi-Fi, Bluetooth, and LAN connectivity for seamless integration.

Highlights
  • Remote device control
  • Local network control
  • Device monitoring
  • Custom scheduling
  • Scene creation
  • Energy consumption monitoring
  • Real-time alerts
Features
Read full description

This app offers the possibility to control all Shelly devices remotely. You can monitor and control your devices from anywhere (by using the cloud option) or, if you do not want the Cloud option, you will still be able to monitor and control your devices from within your local network. Shelly devices do not need to be connected to the cloud or to send data there. The Shelly Home Automation portfolio includes a variety of relay switches, sensors, plugs, bulbs, and other controllers, all connected and controlled through your Wi-Fi network. The new Shelly Plus and Shelly Pro lines of products additionally support Bluetooth connectivity for faster device inclusion and communication, and the new Shelly Pro line offers LAN and Wi-Fi usage simultaneously. The entire Shelly portfolio is available at https://shelly.cloud/ Shelly devices are suitable to control lights, garage doors, curtains, window blinds, or other appliances, trigger actions based on certain parameters from sensor devices. Devices provide near real time notification on changes of the parameters they are measuring - energy consumption, temperature other environment values. All Shelly devices have: - Embedded Web server - Wi-Fi control and connectivity - APIs for observation and control A user account is required to access, include, and control Shelly devices through the application. Once Shelly account is registered, you can: - Connect the devices to an existing W-Fi network or use their Access Point mode locally to control other Shelly devices; - Include, manage, and operate as many Shelly devices as you need; - Configure devices and manage individual settings on every device; - Configure custom scheduling for automatic actions; - Create personalized rooms for more convenient organising and control of the devices; - Define custom Groups of devices to control multiple devices with one command within the app; - Build simple and complex scenes by combining Shelly devices to trigger certain actions in your home automation; - Monitor current and past electrical power consumption of the electrical circuit(s) and loads (for Shelly devices equipped with Power-measuring capabilities); - Build complex automation solutions for improved energy and operational efficiency; - Receive real time alerts and notifications based on your preference. Shelly devices are compatible with other widely used both local and cloud-based home automation platforms like Google Home or Alexa.

Screenshots

Absolute Humidity4 screens
Shelly Smart Control4 screens

Verdict

The call

The clearest difference is rating: Absolute Humidity at 4.5 against Shelly Smart Control's 3.2. Absolute Humidity also leads on review sentiment (80% vs 48%). Shelly Smart Control's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price 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

Both are free to download. Absolute Humidity sells 2 in-app purchases, starting at $1.99 per month. Shelly Smart Control asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Absolute Humidity holds the better App Store score, 4.5 against 3.2. That said, the two scores are not equally well evidenced: Shelly Smart Control has 82 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 80% of Absolute Humidity's written reviews are positive against 48% of Shelly Smart Control's.

UpkeepUpdate frequency

Absolute Humidity ships an update every 5 weeks, Shelly Smart Control every 2 weeks. The most recent releases landed on September 13, 2026 and September 24, 2026 respectively.

Scorecard8 real differences · 2 level
Absolute Humidity versus Shelly Smart Control: the parameters behind the verdict, then further details
ParameterAbsolute HumidityShelly Smart Control
PriceFreeFree
Rating4.5 (2 ratings) — better3.2 (82 ratings)
Positive reviews80.0% of reviews — better47.6% of reviews
Number of ratings282 — better
Update frequencyEvery 5 weeksEvery 2 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Vision ProiPhone, iPad, iPod, Apple Watch — better
Requires iOS18.015.0 — better
Further details — not scored
Size12 MB233 MB
Age rating4+4+
DeveloperYuta HirobeSHELLY EUROPE EOOD

Customer experience

Absolute Humidity

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews10 reviews
Positive80.0%
Neutral10.0%
Negative10.0%

Shelly Smart Control

All ratings82 ratings
Positive53.7%
Neutral8.5%
Negative37.8%
Written reviews143 reviews
Positive47.6%
Neutral12.6%
Negative39.9%

In-app purchases

2 purchases

Absolute Humidity

Subscriptions2
  • Monthly Plan$1.991 Month
  • Annual Plan1 Month trial$17.491 Year
None

Shelly Smart Control

No in-app purchases

Questions

Is Absolute Humidity free?
Absolute Humidity is free to download, with in-app purchases available.
Is Shelly Smart Control free?
Shelly Smart Control is free to download, with no in-app purchases.
Which has better reviews, Absolute Humidity or Shelly Smart Control?
Absolute Humidity is rated higher. Absolute Humidity averages 4.5 out of 5 from 2 ratings, while Shelly Smart Control averages 3.2 from 82 ratings.
Do Absolute Humidity or Shelly Smart Control have ads?
Absolute Humidity shows ads; Shelly Smart Control does not.
Which is updated more often, Absolute Humidity or Shelly Smart Control?
Absolute Humidity ships an update every 5 weeks, and Shelly Smart Control every 2 weeks. Most recently, Absolute Humidity was updated on September 13, 2026 and Shelly Smart Control on September 24, 2026.

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