# AC Infinity vs MRCOOL Universal

The clearest difference is review sentiment: AC Infinity at 79% against MRCOOL Universal's 17%. AC Infinity also leads on rating (4.2 vs 1.4) and ratings volume (856 vs 14). MRCOOL Universal's advantage is update cadence (every 2 days vs monthly) and iOS requirement (10.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AC Infinity holds the better App Store score, 4.2 against 1.4. That said, the two scores are not equally well evidenced: AC Infinity has 856 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 79% of AC Infinity's written reviews are positive against 17% of MRCOOL Universal's.

AC Infinity ships an update monthly, MRCOOL Universal every 2 days. The most recent releases landed on October 10, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | AC Infinity | MRCOOL Universal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (856 ratings)](https://appshunter.io/ios/app/ac-infinity/id1481751004/reviews)** | [1.4 (14 ratings)](https://appshunter.io/ios/app/mrcool-universal/id1506149089/reviews) |
| Number of ratings | **856** | 14 |
| Positive reviews | **79.3% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Free | Free |
| Size | 376 MB | 10 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AC Infinity](https://appshunter.io/developer/1481751003) | [HaiLin Energy Technology Inc.](https://appshunter.io/developer/860466636) |

## What reviewers say

### AC Infinity

[App page](https://appshunter.io/ios/app/ac-infinity/id1481751004)

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.

**Highlights:** Wireless programming controls, Scheduled fan automation, Customizable alarms and notifications, Real-time temperature and humidity data, Environmental data visualization, History logs and data export

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Convenient and easy to use
- 🚀 Powerful automation and control
- 💡 Excellent app functionality
- 🔍 Detailed monitoring and data tracking
- 🤖 Impressive AI-powered features

**What reviewers complain about**

- 🐛 Connectivity issues after updates
- ⚠️ Unstable settings changes
- 🕰️ Slow app performance
- 🤔 Confusing user interface
- 🔌 Bluetooth-only connectivity limitations

**Reported bugs**

- App crashes after firmware updates
- Devices randomly disconnecting from app
- Incorrect data reporting on the app
- Automation settings being reset unexpectedly

**Requested features**

- 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


### MRCOOL Universal

[App page](https://appshunter.io/ios/app/mrcool-universal/id1506149089)

Control your smart thermostat remotely to adjust the temperature from anywhere. Optimize your home's climate with this easy-to-use controller. Some features require an internet connection.

**Highlights:** Remote temperature adjustment, Control from anywhere, Easy-to-use interface, Requires internet for some features

**In-app purchases:** none


## Frequently asked questions

### Is AC Infinity free?

AC Infinity is free to download, with no in-app purchases.

### Is MRCOOL Universal free?

MRCOOL Universal is free to download, with no in-app purchases.

### Which has better reviews, AC Infinity or MRCOOL Universal?

AC Infinity is rated higher. AC Infinity averages 4.2 out of 5 from 856 ratings, while MRCOOL Universal averages 1.4 from 14 ratings.

### Do AC Infinity or MRCOOL Universal have ads?

Neither AC Infinity nor MRCOOL Universal shows ads.

### Which is updated more often, AC Infinity or MRCOOL Universal?

AC Infinity ships an update monthly, and MRCOOL Universal every 2 days. Most recently, AC Infinity was updated on October 10, 2026 and MRCOOL Universal on September 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*