AC Infinity vs Absolute Humidity
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AC Infinity
Control and monitor your HVAC or grow environment with intelligent ventilation. Access advanced programming, view real-time environmental data, and receive customizable alerts for optimal control.
- Wireless programming controls
- Scheduled fan automation
- Customizable alarms and notifications
- Real-time temperature and humidity data
- Environmental data visualization
- History logs and data export
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The AC Infinity app enables you to connect with the next generation of our intelligent controllers, giving you access to advanced programs and environmental data. Take control of your next HVAC or grow project using a smart ventilation system and data monitoring. Easily pair this app with one of our compatible devices, available through our website: www.acinfinity.com ADVANCED PROGRAMMING • Get wireless access to essential programming controls including ON and OFF modes, timers, cycles, schedules, and temperature and humidity triggers. • Scheduled fan automation programs enable utmost control over how your fan runs during the day. • Customizable alarms and push notifications help you stay on top of your fan and environment. • Other settings include convertible temperature scales, device brightness, fan speed transitions, and reading calibrations. ENVIRONMENTAL DATA • Gain insight on your space’s temperature and humidity levels using the bar graph distribution view. • The fluctuation charts help you identify extreme high or low points and adjust your fan accordingly. • Climate conditions are regularly tracked by your controller even while you step out, updating this app when you return within its range. • This app records all fan mode activations, alarms, and notifications and logs them in filterable history logs. • Export your temperature and humidity data to your spreadsheet application for greater tracking of your environment.
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.
- Absolute humidity calculation
- Supports HomeKit & SwitchBot meters
- Comfort level visualization
- Weather information (Pro version)
- Volumetric & gravimetric humidity display
- Ad-free experience (Pro version)
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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.
Screenshots
Verdict
The clearest difference is in-app purchases: AC Infinity at none against Absolute Humidity's 2. AC Infinity also leads on ads (none vs shown) and ratings volume (842 vs 2). Absolute Humidity's advantage is rating (4.5 vs 4.2). On price, review sentiment, update cadence 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
Both are free to download. Absolute Humidity sells 2 in-app purchases, starting at $1.99 per month. AC Infinity asks for nothing beyond the download.
Absolute Humidity holds the better App Store score, 4.5 against 4.2. That said, the two scores are not equally well evidenced: AC Infinity has 842 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 79% and 80% positive.
AC Infinity ships an update monthly, Absolute Humidity every 5 weeks. The most recent releases landed on September 27, 2026 and September 13, 2026 respectively.
| Parameter | AC Infinity | Absolute Humidity |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (842 ratings) | 4.5 (2 ratings) — better |
| Positive reviews | 79.3% of reviews | 80.0% of reviews — better |
| Number of ratings | 842 — better | 2 |
| Update frequency | Monthly — better | Every 5 weeks |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, Vision Pro — better |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 377 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | AC Infinity | Yuta Hirobe |
Customer experience
AC Infinity
Absolute Humidity
Bugs and requests
AC Infinity
Reported bugs
4 issues- App crashes after firmware updates
- Devices randomly disconnecting from app
- Incorrect data reporting on the app
- Automation settings being reset unexpectedly
Requested features
5 requests- Add Wi-Fi connectivity for remote control
- Improve data visualization and graphing
- Implement more advanced automation options
- Allow custom fan speed and light intensity control
- Add support for day/night mode settings
Absolute Humidity
Not enough reviews yet to summarise bugs or requests.
In-app purchases
AC Infinity
No in-app purchases
Absolute Humidity
- Monthly Plan$1.991 Month
- Annual Plan1 Month trial$17.491 Year
Questions
Is AC Infinity free?
Is Absolute Humidity free?
Which has better reviews, AC Infinity or Absolute Humidity?
Do AC Infinity or Absolute Humidity have ads?
Which is updated more often, AC Infinity or Absolute Humidity?
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